{
  "generated_at": "2026-08-17T15:53:04",
  "rubric": {
    "signals": [
      {
        "key": "dedicated_series",
        "label": "Dedicated series / mission",
        "max_points": 25
      },
      {
        "key": "show_frequency",
        "label": "Frequency of relevant shows",
        "max_points": 20
      },
      {
        "key": "artist_roster",
        "label": "Artist roster",
        "max_points": 20
      },
      {
        "key": "self_description",
        "label": "Self-description",
        "max_points": 12
      },
      {
        "key": "operating_model",
        "label": "Operating model",
        "max_points": 10
      },
      {
        "key": "community_reputation",
        "label": "Community reputation",
        "max_points": 8
      },
      {
        "key": "listening_room",
        "label": "Listening-room intent",
        "max_points": 5
      }
    ],
    "tiers": [
      {
        "key": "cornerstone",
        "label": "Cornerstone",
        "low": 85,
        "high": 100
      },
      {
        "key": "committed",
        "label": "Committed",
        "low": 65,
        "high": 84
      },
      {
        "key": "supportive",
        "label": "Supportive",
        "low": 45,
        "high": 64
      },
      {
        "key": "occasional",
        "label": "Occasional",
        "low": 25,
        "high": 44
      },
      {
        "key": "incidental",
        "label": "Incidental",
        "low": 0,
        "high": 24
      }
    ]
  },
  "venue_count": 263,
  "musician_count": 185,
  "venues": [
    {
      "id": "ftarri-tokyo",
      "name": "Ftarri",
      "aliases": [
        "Ftarri Suidobashi",
        "Improvised Music From Japan"
      ],
      "status": "active",
      "location": {
        "address": "Okano Bldg. B1, 1-4-11 Hongo, Bunkyo-ku",
        "city": "Tokyo",
        "region": "Tokyo",
        "country": "JP",
        "neighborhood": "Suidobashi",
        "lat": 35.7025,
        "lon": 139.753
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": 20,
      "website": "https://www.ftarri.com/suidobashi/index-e.html",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Performance space and shop run since 2012 by the Ftarri experimental-music label (successor to Improvised Music From Japan); the space exists to present improvised, onkyo and experimental sound.",
          "sources": [
            "https://www.ftarri.com/suidobashi/index-e.html",
            "https://daily.redbullmusicacademy.com/2014/10/off-site-improvised-music-from-japan/"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Concerts multiple times per week; reservation-only shows most evenings at 8pm.",
          "sources": [
            "https://www.ftarri.com/suidobashi/index-e.html",
            "https://www.tokyogigguide.com/en/gigs/venue/682"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Core roster of Japanese and international improvisers (Tetuzi Akiyama, Taku Sugimoto, Kazuo Imai, Satoko Inoue and touring experimentalists).",
          "sources": [
            "https://www.tokyogigguide.com/en/gigs/venue/682"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Specializes in avant-garde and experimental sound; associated with the onkyo (quiet improvisation) scene it helped define.",
          "sources": [
            "https://www.ftarri.com/suidobashi/index-e.html"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Artist/label-run shop and performance space, cash-only, 20-person limit.",
          "sources": [
            "https://www.ftarri.com/suidobashi/index-e.html"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Internationally recognized flagship of Tokyo experimental and improvised music.",
          "sources": [
            "https://www.tokyoartbeat.com/en/venues/-/75F14492"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Intimate 20-seat reservation-only listening space; no smoking, pure attention on the music.",
          "sources": [
            "https://www.ftarri.com/suidobashi/index-e.html"
          ]
        }
      },
      "score": 98,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.ftarri.com/suidobashi/index-e.html",
          "https://daily.redbullmusicacademy.com/2014/10/off-site-improvised-music-from-japan/",
          "https://www.tokyoartbeat.com/en/venues/-/75F14492"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "621e0d3b09c271b4",
        "crawl_http_status": 200
      },
      "notes": "Flagship experimental/onkyo space and record shop in Suidobashi; successor to the Improvised Music From Japan project run by Yasuhiro Suzuki.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Performance space and shop run since 2012 by the Ftarri experimental-music label (successor to Improvised Music From Japan); the space exists to present improvised, onkyo and experimental sound."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Concerts multiple times per week; reservation-only shows most evenings at 8pm."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Core roster of Japanese and international improvisers (Tetuzi Akiyama, Taku Sugimoto, Kazuo Imai, Satoko Inoue and touring experimentalists)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Specializes in avant-garde and experimental sound; associated with the onkyo (quiet improvisation) scene it helped define."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Artist/label-run shop and performance space, cash-only, 20-person limit."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Internationally recognized flagship of Tokyo experimental and improvised music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Intimate 20-seat reservation-only listening space; no smoking, pure attention on the music."
        }
      ]
    },
    {
      "id": "ibeam-brooklyn",
      "name": "IBeam Brooklyn",
      "aliases": [
        "iBeam"
      ],
      "status": "active",
      "location": {
        "city": "Brooklyn",
        "region": "NY",
        "country": "US",
        "neighborhood": "Gowanus",
        "lat": 40.674,
        "lon": -73.9845
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": 50,
      "website": "https://www.ibeambrooklyn.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Member-owned space for innovative music; hosts the Brooklyn Free Spirit Festival (3rd year in 2026); programs free-form and experimental jazz.",
          "sources": [
            "https://www.ibeambrooklyn.com/about-1",
            "https://www.jazznearyou.com/nyc/venue/ibeam-brooklyn"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Live music Tuesday-Sunday nights.",
          "sources": [
            "https://www.ibeambrooklyn.com/about-1",
            "https://www.jazznearyou.com/nyc/venue/ibeam-brooklyn"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Established and emerging improvisers; visiting artists workshop new works.",
          "sources": [
            "https://www.ibeambrooklyn.com/about-1",
            "https://www.jazznearyou.com/nyc/venue/ibeam-brooklyn"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Mission is to foster a community of innovative and creative musicians; hosts free-form/experimental jazz.",
          "sources": [
            "https://www.ibeambrooklyn.com/about-1",
            "https://www.jazznearyou.com/nyc/venue/ibeam-brooklyn"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Member owned and operated by professional musicians (artist-run).",
          "sources": [
            "https://www.ibeambrooklyn.com/about-1",
            "https://www.jazznearyou.com/nyc/venue/ibeam-brooklyn"
          ]
        },
        "community_reputation": {
          "value": 4,
          "sources": [
            "https://www.ibeambrooklyn.com/about-1",
            "https://www.jazznearyou.com/nyc/venue/ibeam-brooklyn"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Intimate listening room; music is the point.",
          "sources": [
            "https://www.ibeambrooklyn.com/about-1",
            "https://www.jazznearyou.com/nyc/venue/ibeam-brooklyn"
          ]
        }
      },
      "score": 98,
      "tier": "cornerstone",
      "confidence": 0.9,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.ibeambrooklyn.com/about-1",
          "https://www.jazznearyou.com/nyc/venue/ibeam-brooklyn"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "3c04abbcebabab83",
        "crawl_http_status": 200
      },
      "notes": "ANCHOR: calibrated as a VERY HIGH cornerstone venue.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Member-owned space for innovative music; hosts the Brooklyn Free Spirit Festival (3rd year in 2026); programs free-form and experimental jazz."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Live music Tuesday-Sunday nights."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Established and emerging improvisers; visiting artists workshop new works."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Mission is to foster a community of innovative and creative musicians; hosts free-form/experimental jazz."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Member owned and operated by professional musicians (artist-run)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Intimate listening room; music is the point."
        }
      ]
    },
    {
      "id": "experimental-sound-studio",
      "name": "Experimental Sound Studio",
      "aliases": [
        "ESS"
      ],
      "status": "active",
      "location": {
        "address": "5925 N Ravenswood Ave",
        "city": "Chicago",
        "region": "IL",
        "country": "US",
        "neighborhood": "Ravenswood",
        "lat": 41.9895,
        "lon": -87.6742
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://ess.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Home of OPTION, an ongoing weekly Monday-night music salon exploring contemporary improvisation and composition, curated by Chicago musicians; performances are recorded and released as the OPTION AUDIO series.",
          "sources": [
            "https://ess.org/option",
            "https://experimentalsoundstudio.bandcamp.com/album/option-audio-003"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "OPTION salon runs weekly on Mondays plus additional experimental programming.",
          "sources": [
            "https://ess.org/option"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Presents local, national and international improvisers and experimental/sound artists.",
          "sources": [
            "https://ess.org/option"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Founded 1986 as an artist-run organization for exploratory approaches to sound; an international hub for sonic experimentation.",
          "sources": [
            "https://ess.org/about/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Non-profit, artist-run organization focused on sound in all its exploratory forms.",
          "sources": [
            "https://ess.org/about/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-standing pillar of Chicago's experimental and improvised music community.",
          "sources": [
            "https://www.aaa.si.edu/collections/surveys/chicago/experimental-sound-studio"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate Studio A salon environment for attentive listening; shows streamed and recorded.",
          "sources": [
            "https://ess.org/option"
          ]
        }
      },
      "score": 97,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://ess.org/option",
          "https://ess.org/about/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "a93cb1a0dec8655f",
        "crawl_http_status": 200
      },
      "notes": "Artist-run nonprofit; the OPTION salon is one of Chicago's core weekly improvised/experimental music series.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Home of OPTION, an ongoing weekly Monday-night music salon exploring contemporary improvisation and composition, curated by Chicago musicians; performances are recorded and released as the OPTION AUDIO series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "OPTION salon runs weekly on Mondays plus additional experimental programming."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Presents local, national and international improvisers and experimental/sound artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Founded 1986 as an artist-run organization for exploratory approaches to sound; an international hub for sonic experimentation."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Non-profit, artist-run organization focused on sound in all its exploratory forms."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Long-standing pillar of Chicago's experimental and improvised music community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate Studio A salon environment for attentive listening; shows streamed and recorded."
        }
      ]
    },
    {
      "id": "instants-chavires-montreuil",
      "name": "Les Instants Chavires",
      "aliases": [
        "Instants Chavires"
      ],
      "status": "active",
      "location": {
        "address": "7 rue Richard Lenoir",
        "city": "Montreuil",
        "region": "Ile-de-France",
        "country": "FR",
        "lat": 48.856,
        "lon": 2.436
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 150,
      "website": "https://www.instantschavires.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Open since 1991 and thought of as a laboratory dedicated to experimental music, improvisation and noise; over 3,000 concerts presented.",
          "sources": [
            "https://uk.tourisme93.com/instants-chavires-montreuil.html",
            "https://instantschavires.bandcamp.com/"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Year-round programme of concerts, tours and residencies in its 150-capacity room.",
          "sources": [
            "https://uk.tourisme93.com/instants-chavires-montreuil.html"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Presents confirmed and emerging artists from the French and international experimental/improv underground.",
          "sources": [
            "https://uk.tourisme93.com/instants-chavires-montreuil.html"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "A laboratory for experimental music, improvisation and brutish music.",
          "sources": [
            "https://uk.tourisme93.com/instants-chavires-montreuil.html"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Association-run, publicly supported venue with residencies and an annex gallery for sound/visual arts.",
          "sources": [
            "https://parisjetaime.com/eng/culture/instants-chavires-p4521"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "A reference point of the European experimental/improv scene for over 30 years.",
          "sources": [
            "https://database.shareimpro.eu/en/venue-festival/instants-chavires"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate 150-capacity concert room devoted to focused listening.",
          "sources": [
            "https://uk.tourisme93.com/instants-chavires-montreuil.html"
          ]
        }
      },
      "score": 97,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.instantschavires.com/",
          "https://uk.tourisme93.com/instants-chavires-montreuil.html"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "fe41164e13ee79e3",
        "crawl_http_status": 200
      },
      "notes": "Flagship French laboratory for experimental and improvised music, in Montreuil just east of Paris.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Open since 1991 and thought of as a laboratory dedicated to experimental music, improvisation and noise; over 3,000 concerts presented."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Year-round programme of concerts, tours and residencies in its 150-capacity room."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Presents confirmed and emerging artists from the French and international experimental/improv underground."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "A laboratory for experimental music, improvisation and brutish music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Association-run, publicly supported venue with residencies and an annex gallery for sound/visual arts."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "A reference point of the European experimental/improv scene for over 30 years."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate 150-capacity concert room devoted to focused listening."
        }
      ]
    },
    {
      "id": "the-red-room",
      "name": "The Red Room",
      "aliases": [
        "Red Room Collective"
      ],
      "status": "active",
      "location": {
        "city": "Baltimore",
        "region": "MD",
        "country": "US",
        "lat": 39.326,
        "lon": -76.6165
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.redroom.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Volunteer-run space hosting ONLY experimental, improvised, and/or non-idiomatic performances; weekly concerts.",
          "sources": [
            "https://www.redroom.org/booking/",
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Weekly improvised-music concerts.",
          "sources": [
            "https://www.redroom.org/booking/",
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "artist_roster": {
          "value": 5,
          "sources": [
            "https://www.redroom.org/booking/",
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Dedicated to mind-expanding experimental culture.",
          "sources": [
            "https://www.redroom.org/booking/",
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer collective; space donated by Normals Books & Records.",
          "sources": [
            "https://www.redroom.org/booking/",
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "community_reputation": {
          "value": 4,
          "sources": [
            "https://www.redroom.org/booking/",
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://www.redroom.org/booking/",
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        }
      },
      "score": 97,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.redroom.org/booking/",
          "https://en.wikipedia.org/wiki/High_Zero"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "84623de04da0dbe0",
        "crawl_http_status": 200
      },
      "notes": "Runs inside Normals Books & Records; sibling to the High Zero festival.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Volunteer-run space hosting ONLY experimental, improvised, and/or non-idiomatic performances; weekly concerts."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Weekly improvised-music concerts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Dedicated to mind-expanding experimental culture."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer collective; space donated by Normals Books & Records."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "constellation-chicago",
      "name": "Constellation",
      "aliases": [
        "Constellation Chicago"
      ],
      "status": "active",
      "location": {
        "address": "3111 N Western Ave",
        "city": "Chicago",
        "region": "IL",
        "country": "US",
        "neighborhood": "Roscoe Village",
        "lat": 41.9382,
        "lon": -87.6877
      },
      "type": "dedicated_space",
      "operating_model": "commercial",
      "capacity": 150,
      "website": "https://constellation-chicago.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Performing-arts club founded 2013 by drummer Mike Reed with an emphasis on forward-thinking jazz, improvised, experimental and contemporary-classical music; built on the former Viaduct Theater site and described as replacing the Velvet Lounge as a hub of avant-garde jazz.",
          "sources": [
            "https://constellation-chicago.com/about/",
            "https://en.wikipedia.org/wiki/Constellation_(nightclub)"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Near-nightly programming of jazz, improvised and new music.",
          "sources": [
            "https://constellation-chicago.com/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Core presenter for Chicago's improvised and experimental music community and touring avant artists.",
          "sources": [
            "https://constellation-chicago.com/about/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as devoted to forward-thinking practices in jazz, improvised, experimental and contemporary classical music.",
          "sources": [
            "https://constellation-chicago.com/about/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "For-profit performing-arts club, but artist-owned and mission-driven (owner Mike Reed).",
          "sources": [
            "https://mikereed-music.com/about"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Called 'one of the most important rooms in the city' by the Chicago Tribune; named Best New Music Venue by the Chicago Reader in its first year.",
          "sources": [
            "https://downbeat.com/news/detail/reed-expands-reach-with-constellation"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Dedicated seated listening room for attentive concerts.",
          "sources": [
            "https://constellation-chicago.com/"
          ]
        }
      },
      "score": 96,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://constellation-chicago.com/about/",
          "https://en.wikipedia.org/wiki/Constellation_(nightclub)",
          "https://downbeat.com/news/detail/reed-expands-reach-with-constellation"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "8cef46a1a92d27b4",
        "crawl_http_status": 200
      },
      "notes": "Cornerstone Chicago venue for jazz, improvised and experimental music; owned/programmed by Mike Reed, who also owns the Hungry Brain.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Performing-arts club founded 2013 by drummer Mike Reed with an emphasis on forward-thinking jazz, improvised, experimental and contemporary-classical music; built on the former Viaduct Theater site and described as replacing the Velvet Lounge as a hub of avant-garde jazz."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Near-nightly programming of jazz, improvised and new music."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Core presenter for Chicago's improvised and experimental music community and touring avant artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Describes itself as devoted to forward-thinking practices in jazz, improvised, experimental and contemporary classical music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "For-profit performing-arts club, but artist-owned and mission-driven (owner Mike Reed)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Called 'one of the most important rooms in the city' by the Chicago Tribune; named Best New Music Venue by the Chicago Reader in its first year."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Dedicated seated listening room for attentive concerts."
        }
      ]
    },
    {
      "id": "km28-berlin",
      "name": "KM28",
      "aliases": [
        "Karl-Marx-Str. 28"
      ],
      "status": "active",
      "location": {
        "address": "Karl-Marx-Str. 28",
        "city": "Berlin",
        "region": "Berlin",
        "country": "DE",
        "neighborhood": "Neuk\u00f6lln",
        "lat": 52.4812,
        "lon": 13.4303
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": 50,
      "website": "https://www.km28.de/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Volunteer-run venue founded in 2018 dedicated to new and experimental concert music; regarded as Berlin's closest equivalent to Cafe OTO for the experimental scene.",
          "sources": [
            "https://www.km28.de/about",
            "https://www.km28.de/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Regular near-weekly concerts of improvisation, new and experimental music; doors 8pm, entry by donation.",
          "sources": [
            "https://www.km28.de/",
            "https://www.urbanite.net/berlin/locations/km28/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Programs international improvisers and experimental/new-music composers.",
          "sources": [
            "https://www.km28.de/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as a space for new and experimental concert music.",
          "sources": [
            "https://www.km28.de/about"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Run entirely by volunteers.",
          "sources": [
            "https://www.km28.de/about"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Named as a pillar/institution of Berlin's Echtzeitmusik and experimental scene.",
          "sources": [
            "https://www.urbanite.net/berlin/locations/km28/"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Intimate concert room with grand piano; attentive listening, bar in the back.",
          "sources": [
            "https://www.urbanite.net/berlin/locations/km28/"
          ]
        }
      },
      "score": 96,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.km28.de/",
          "https://www.km28.de/about",
          "https://www.urbanite.net/berlin/locations/km28/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "6c219de21119a61b",
        "crawl_http_status": 200
      },
      "notes": "Volunteer-run Neuk\u00f6lln space for new/experimental concert music, founded 2018.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Volunteer-run venue founded in 2018 dedicated to new and experimental concert music; regarded as Berlin's closest equivalent to Cafe OTO for the experimental scene."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Regular near-weekly concerts of improvisation, new and experimental music; doors 8pm, entry by donation."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Programs international improvisers and experimental/new-music composers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Describes itself as a space for new and experimental concert music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Run entirely by volunteers."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Named as a pillar/institution of Berlin's Echtzeitmusik and experimental scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Intimate concert room with grand piano; attentive listening, bar in the back."
        }
      ]
    },
    {
      "id": "ars-nova-workshop",
      "name": "Ars Nova Workshop",
      "aliases": [
        "ANW"
      ],
      "status": "active",
      "location": {
        "address": "1131 S Broad St (Solar Myth home base)",
        "city": "Philadelphia",
        "region": "PA",
        "country": "US",
        "neighborhood": "South Philadelphia",
        "lat": 39.9315,
        "lon": -75.1668
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.arsnovaworkshop.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Nonprofit dedicated to presenting jazz, experimental, and new-classical music; acclaimed Composer Portrait series. Reason to exist is adventurous programming.",
          "sources": [
            "https://www.arsnovaworkshop.org/about/",
            "https://downbeat.com/news/detail/ars-nova-workshop-25-years-of-community-building"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Has programmed 1,000+ unique events since 2000; presents frequently at Solar Myth and partner institutions.",
          "sources": [
            "https://www.arsnovaworkshop.org/about/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Has presented Cecil Taylor, Pauline Oliveros, Anthony Braxton, Henry Threadgill, Roscoe Mitchell, The Art Ensemble of Chicago, John Zorn, Tyshawn Sorey.",
          "sources": [
            "https://www.arsnovaworkshop.org/about/",
            "https://www.npr.org/templates/story/story.php?storyId=194551564"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Philadelphia's premier presenter of improvisational music; cultivates connection through deep listening and improvisation.",
          "sources": [
            "https://www.arsnovaworkshop.org/about/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "501(c)(3) nonprofit music-presenting organization founded by Mark Christman.",
          "sources": [
            "https://www.arsnovaworkshop.org/about/",
            "https://www.pewcenterarts.org/organization/ars-nova-workshop"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Winner of ASCAP Award for Adventurous Programming; internationally recognized presenter.",
          "sources": [
            "https://downbeat.com/news/detail/ars-nova-workshop-25-years-of-community-building",
            "https://www.pewcenterarts.org/organization/ars-nova-workshop"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Programs attentive-listening concerts at Solar Myth and cultural institutions.",
          "sources": [
            "https://www.arsnovaworkshop.org/about/"
          ]
        }
      },
      "score": 95,
      "tier": "cornerstone",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.arsnovaworkshop.org/about/",
          "https://downbeat.com/news/detail/ars-nova-workshop-25-years-of-community-building",
          "https://www.npr.org/templates/story/story.php?storyId=194551564"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "543055c2df58b01c",
        "crawl_http_status": 200
      },
      "notes": "Distinct presenting organization behind Solar Myth (already in atlas as the venue). ANW also presents citywide with the Philadelphia Museum of Art, Barnes Foundation, and other partners. Overlaps geographically with solar-myth but is a separate entity (the curator/presenter).",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Nonprofit dedicated to presenting jazz, experimental, and new-classical music; acclaimed Composer Portrait series. Reason to exist is adventurous programming."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Has programmed 1,000+ unique events since 2000; presents frequently at Solar Myth and partner institutions."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Has presented Cecil Taylor, Pauline Oliveros, Anthony Braxton, Henry Threadgill, Roscoe Mitchell, The Art Ensemble of Chicago, John Zorn, Tyshawn Sorey."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Philadelphia's premier presenter of improvisational music; cultivates connection through deep listening and improvisation."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "501(c)(3) nonprofit music-presenting organization founded by Mark Christman."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Winner of ASCAP Award for Adventurous Programming; internationally recognized presenter."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Programs attentive-listening concerts at Solar Myth and cultural institutions."
        }
      ]
    },
    {
      "id": "cafe-oto-london",
      "name": "Cafe OTO",
      "aliases": [
        "Cafe Oto",
        "OTO"
      ],
      "status": "active",
      "location": {
        "address": "18-22 Ashwin St",
        "city": "London",
        "region": "England",
        "country": "GB",
        "neighborhood": "Dalston",
        "lat": 51.5479,
        "lon": -0.0757
      },
      "type": "dedicated_space",
      "operating_model": "commercial",
      "capacity": 150,
      "website": "https://www.cafeoto.co.uk/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Opened 2008 as a platform for experimental and improvised music; hosts concerts most nights, its calendar reading like a who's who of the avant-garde (from AMM onward).",
          "sources": [
            "https://en.wikipedia.org/wiki/Cafe_Oto",
            "https://www.cafeoto.co.uk/"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Concerts nearly every night of the week in a single 150-capacity room.",
          "sources": [
            "https://en.wikipedia.org/wiki/Cafe_Oto"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Programs international free-improv, free-jazz, noise and experimental artists.",
          "sources": [
            "https://en.wikipedia.org/wiki/Cafe_Oto"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Devoted to creative new music that falls outside the mainstream; warehouse space with no stage, chairs in a horseshoe around performers.",
          "sources": [
            "https://en.wikipedia.org/wiki/Cafe_Oto",
            "https://www.timeout.com/london/things-to-do/cafe-oto"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial venue with a strong experimental mission (not artist-run/nonprofit).",
          "sources": [
            "https://en.wikipedia.org/wiki/Cafe_Oto"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Internationally recognized cornerstone of experimental music; called the coolest venue in London by Vogue Italia (2012).",
          "sources": [
            "https://en.wikipedia.org/wiki/Cafe_Oto",
            "https://www.timeout.com/london/music/you-always-know-youll-get-something-interesting-an-oral-history-of-cafe-oto"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate horseshoe listening room with a bar; music is the focus.",
          "sources": [
            "https://www.timeout.com/london/things-to-do/cafe-oto"
          ]
        }
      },
      "score": 95,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.cafeoto.co.uk/",
          "https://en.wikipedia.org/wiki/Cafe_Oto"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ceac1250ad485f4e",
        "crawl_http_status": 200
      },
      "notes": "Flagship UK experimental/improv venue in Dalston. ANCHOR: calibrated as a high cornerstone.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Opened 2008 as a platform for experimental and improvised music; hosts concerts most nights, its calendar reading like a who's who of the avant-garde (from AMM onward)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Concerts nearly every night of the week in a single 150-capacity room."
        },
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          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Programs international free-improv, free-jazz, noise and experimental artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Devoted to creative new music that falls outside the mainstream; warehouse space with no stage, chairs in a horseshoe around performers."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial venue with a strong experimental mission (not artist-run/nonprofit)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Internationally recognized cornerstone of experimental music; called the coolest venue in London by Vogue Italia (2012)."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate horseshoe listening room with a bar; music is the focus."
        }
      ]
    },
    {
      "id": "creative-music-guild-portland",
      "name": "Creative Music Guild",
      "aliases": [
        "CMG"
      ],
      "status": "active",
      "location": {
        "city": "Portland",
        "region": "OR",
        "country": "US",
        "lat": 45.5231,
        "lon": -122.6765
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://creativemusicguild.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "All-volunteer nonprofit whose entire mission is promoting experimental and improvised music; runs the Outset Series, Confluence visiting-artist series, the Extradition Series and the annual Improvisation Summit of Portland.",
          "sources": [
            "https://creativemusicguild.org/",
            "https://creativemusicguild.org/outset-series/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Outset Series runs roughly twice monthly, plus additional Confluence and Extradition concerts and an annual summit.",
          "sources": [
            "https://creativemusicguild.org/outset-series/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Presents local and touring improvisers and experimental composers.",
          "sources": [
            "https://creativemusicguild.org/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "States its mission is to promote experimental and improvised music.",
          "sources": [
            "https://creativemusicguild.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "All-volunteer 501(c)(3) nonprofit; sliding-scale, non-commercial shows.",
          "sources": [
            "https://creativemusicguild.org/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "The central institution of Portland's improvised/experimental music scene, widely covered by Oregon ArtsWatch and Vortex.",
          "sources": [
            "https://www.vrtxmag.com/articles/creative-music-guild-expert-improvisation-on-display/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presents in attentive, non-commercial listening settings dedicated to the music.",
          "sources": [
            "https://creativemusicguild.org/outset-series/"
          ]
        }
      },
      "score": 95,
      "tier": "cornerstone",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://creativemusicguild.org/",
          "https://creativemusicguild.org/outset-series/",
          "https://www.vrtxmag.com/articles/creative-music-guild-expert-improvisation-on-display/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "2bbbd6d048f312ef",
        "crawl_http_status": 200
      },
      "notes": "Portland's cornerstone experimental/improvised-music presenter (no single fixed room; uses Turn! Turn! Turn!, Leaven and others). Coordinates are Portland city-center.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "All-volunteer nonprofit whose entire mission is promoting experimental and improvised music; runs the Outset Series, Confluence visiting-artist series, the Extradition Series and the annual Improvisation Summit of Portland."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
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        },
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          "key": "artist_roster",
          "label": "Artist roster",
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          "max_points": 20,
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        },
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          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "States its mission is to promote experimental and improvised music."
        },
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          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "All-volunteer 501(c)(3) nonprofit; sliding-scale, non-commercial shows."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "The central institution of Portland's improvised/experimental music scene, widely covered by Oregon ArtsWatch and Vortex."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Presents in attentive, non-commercial listening settings dedicated to the music."
        }
      ]
    },
    {
      "id": "fylkingen-stockholm",
      "name": "Fylkingen",
      "aliases": [
        "F\u00f6reningen Fylkingen"
      ],
      "status": "active",
      "location": {
        "address": "M\u00fcnchenbryggeriet, Torkel Knutssonsgatan 2",
        "city": "Stockholm",
        "region": "Stockholm",
        "country": "SE",
        "neighborhood": "S\u00f6dermalm",
        "lat": 59.3183,
        "lon": 18.0641
      },
      "type": "arts_center",
      "operating_model": "artist_run",
      "capacity": 150,
      "website": "https://www.fylkingen.se/en",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Artist-run member organisation committed to contemporary experimental performing arts since 1933; presents electro-acoustic music, improvisation, sound art, performance.",
          "sources": [
            "https://en.wikipedia.org/wiki/Fylkingen",
            "https://www.fylkingen.se/en"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Presents over a hundred events a year at its M\u00fcnchenbryggeriet stage.",
          "sources": [
            "https://www.fylkingen.se/en",
            "https://en.wikipedia.org/wiki/Fylkingen"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Broad field of experimental practice including improvisation music, EAM, sound art; historically a driving force in Swedish new/experimental music.",
          "sources": [
            "https://en.wikipedia.org/wiki/Fylkingen"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as a stage and platform providing space for experimental and radical artistic work.",
          "sources": [
            "https://www.fylkingen.se/en"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run, member-based organisation.",
          "sources": [
            "https://en.wikipedia.org/wiki/Fylkingen"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Internationally recognized institution of Swedish experimental music; founded EMS electronic music studio.",
          "sources": [
            "https://en.wikipedia.org/wiki/Fylkingen",
            "https://monoskop.org/Fylkingen"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://www.fylkingen.se/en"
          ]
        }
      },
      "score": 95,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://en.wikipedia.org/wiki/Fylkingen",
          "https://www.fylkingen.se/en",
          "https://monoskop.org/Fylkingen"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "1ed3c443027187b6",
        "crawl_http_status": 200
      },
      "notes": "Flagship Swedish experimental/intermedia venue; artist-run since 1933. Coordinates are for M\u00fcnchenbryggeriet on S\u00f6dermalm.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "max_points": 25,
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        },
        {
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          "max_points": 20,
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          "max_points": 20,
          "evidence": "Broad field of experimental practice including improvisation music, EAM, sound art; historically a driving force in Swedish new/experimental music."
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          "max_points": 12,
          "evidence": "Describes itself as a stage and platform providing space for experimental and radical artistic work."
        },
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          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run, member-based organisation."
        },
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          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
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          "max_points": 8,
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        },
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          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "walcheturm-zurich",
      "name": "Kunstraum Walcheturm",
      "aliases": [
        "Walcheturm"
      ],
      "status": "active",
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        "address": "Kanonengasse 20",
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        "region": "Zurich",
        "country": "CH",
        "neighborhood": "Kreis 4",
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        "lon": 8.53
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": 200,
      "website": "https://www.walcheturm.ch/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Zurich's most important venue for contemporary and experimental music, programming free improvisation, noise, new music and sound art; hosts festivals such as Taktlos Z\u00fcrich and Sonic Matter.",
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            "https://www.sonicmatter.ch/en/festival/venues/kunstraum-walcheturm",
            "https://neoblog.mx3.ch/index.php/2023/09/02/deutsch-kunstraum-walcheturm-der-unmoegliche-raum-mitten-in-zuerich/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Mainly a concert venue with a dense program between free improvisation, new music, noise and sound art.",
          "sources": [
            "https://neoblog.mx3.ch/index.php/2023/09/02/deutsch-kunstraum-walcheturm-der-unmoegliche-raum-mitten-in-zuerich/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Musicians and ensembles working between noise, free improvisation, new music and sound art.",
          "sources": [
            "https://www.sonicmatter.ch/en/festival/venues/kunstraum-walcheturm"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Art space presenting contemporary art, new/experimental music, performance and sound art.",
          "sources": [
            "https://www.sonicmatter.ch/en/festival/venues/kunstraum-walcheturm"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Independent artist-run Kunstraum led by Patrick Huber on a minimal budget.",
          "sources": [
            "https://neoblog.mx3.ch/index.php/2023/09/02/deutsch-kunstraum-walcheturm-der-unmoegliche-raum-mitten-in-zuerich/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Awarded a special music prize by the Swiss Federal Office of Culture; regarded as Zurich's key experimental-music venue.",
          "sources": [
            "https://neoblog.mx3.ch/index.php/2023/09/02/deutsch-kunstraum-walcheturm-der-unmoegliche-raum-mitten-in-zuerich/"
          ]
        },
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          "value": 4,
          "evidence": "Dedicated concert/art space in the old Zeughaus courtyard.",
          "sources": [
            "https://bachtrack.com/venue/kunstraum-walcheturm"
          ]
        }
      },
      "score": 95,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.sonicmatter.ch/en/festival/venues/kunstraum-walcheturm",
          "https://neoblog.mx3.ch/index.php/2023/09/02/deutsch-kunstraum-walcheturm-der-unmoegliche-raum-mitten-in-zuerich/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "6240baf5af52f9f2",
        "crawl_http_status": 200
      },
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      "score_breakdown": [
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          "label": "Dedicated series / mission",
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          "max_points": 25,
          "evidence": "Zurich's most important venue for contemporary and experimental music, programming free improvisation, noise, new music and sound art; hosts festivals such as Taktlos Z\u00fcrich and Sonic Matter."
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          "max_points": 20,
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          "label": "Self-description",
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          "max_value": 5,
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          "max_points": 12,
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          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
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          "max_points": 10,
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        },
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          "label": "Community reputation",
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          "max_points": 8,
          "evidence": "Awarded a special music prize by the Swiss Federal Office of Culture; regarded as Zurich's key experimental-music venue."
        },
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          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Dedicated concert/art space in the old Zeughaus courtyard."
        }
      ]
    },
    {
      "id": "kuehlspot-social-club-berlin",
      "name": "K\u00fchlspot Social Club",
      "aliases": [
        "Kuehlspot Social Club",
        "K\u00fchlspot e.V."
      ],
      "status": "active",
      "location": {
        "address": "Lehderstr. 74",
        "city": "Berlin",
        "region": "Berlin",
        "country": "DE",
        "neighborhood": "Wei\u00dfensee",
        "lat": 52.5561,
        "lon": 13.4631
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 50,
      "website": "https://miz.org/de/institutionen/kuehlspot-social-club-i38754",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Nonprofit presenting improvised music, free jazz, new music, performance and dance; hosts the K\u00fchlspot Open Session for improvisers.",
          "sources": [
            "https://www.europejazz.net/club/k%C3%BChlspot-social-club",
            "https://field-notes.berlin/en/resources/scene/kuehlspot-social-club-0"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Presents around 200 concerts every year.",
          "sources": [
            "https://miz.org/de/institutionen/kuehlspot-social-club-i38754"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Programs improvised music and free jazz musicians.",
          "sources": [
            "https://www.europejazz.net/club/k%C3%BChlspot-social-club"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Presents improvised music, free jazz, neue Musik, performance art and dance.",
          "sources": [
            "https://miz.org/de/institutionen/kuehlspot-social-club-i38754"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Run by the nonprofit K\u00fchlspot e.V.",
          "sources": [
            "https://miz.org/de/institutionen/kuehlspot-social-club-i38754"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Member of the Europe Jazz Network; established Wei\u00dfensee improv venue.",
          "sources": [
            "https://www.europejazz.net/club/k%C3%BChlspot-social-club"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate ground-level room in a former workshop courtyard, capacity ~50.",
          "sources": [
            "https://field-notes.berlin/en/resources/scene/kuehlspot-social-club-0"
          ]
        }
      },
      "score": 95,
      "tier": "cornerstone",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://miz.org/de/institutionen/kuehlspot-social-club-i38754",
          "https://www.europejazz.net/club/k%C3%BChlspot-social-club"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "4104f19bb35e211a",
        "crawl_http_status": 200
      },
      "notes": "Wei\u00dfensee nonprofit presenting ~200 improvised-music/free-jazz concerts a year, opened 2013.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "max_points": 25,
          "evidence": "Nonprofit presenting improvised music, free jazz, new music, performance and dance; hosts the K\u00fchlspot Open Session for improvisers."
        },
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          "key": "show_frequency",
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          "value": 4,
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          ]
        }
      },
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      "tier": "cornerstone",
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      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
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          "https://www.cave12.org/",
          "https://ra.co/clubs/73158"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
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        "crawl_http_status": 200
      },
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          "max_value": 5,
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          "max_points": 25,
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          "max_points": 12,
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          "max_points": 10,
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          "max_points": 8,
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          "max_points": 5,
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        }
      ]
    },
    {
      "id": "chapel-performance-space",
      "name": "Chapel Performance Space",
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        "Wayward Music Series",
        "Good Shepherd Center Chapel"
      ],
      "status": "active",
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        "country": "US",
        "neighborhood": "Wallingford",
        "lat": 47.6613,
        "lon": -122.3327
      },
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      "active_this_year": true,
      "signals": {
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            "https://www.waywardmusic.org/",
            "https://www.nseq.org/"
          ]
        },
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          "evidence": "Roughly ten concerts every month.",
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            "https://www.waywardmusic.org/",
            "https://www.nseq.org/"
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            "https://www.nseq.org/"
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          "sources": [
            "https://www.waywardmusic.org/",
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            "https://www.waywardmusic.org/",
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          ]
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      "tier": "cornerstone",
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        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
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          "https://www.waywardmusic.org/",
          "https://www.nseq.org/"
        ],
        "needs_human_review": false,
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          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "dd52585da3ce3dbb",
        "crawl_http_status": 200
      },
      "notes": "Wayward Music Series presented by Nonsequitur and partner organizations.",
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          "max_points": 12,
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          "max_points": 10,
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          "evidence": ""
        },
        {
          "key": "listening_room",
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          "max_points": 5,
          "evidence": "Seated concert hall in a former chapel; attentive listening."
        }
      ]
    },
    {
      "id": "dissonant-works",
      "name": "Dissonant Works",
      "aliases": [
        "Dissonant Works Gallery"
      ],
      "status": "active",
      "location": {
        "city": "St. Louis",
        "region": "MO",
        "country": "US",
        "neighborhood": "South City",
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        "lon": -90.236
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.dissonantworks.org/",
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      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Dedicated experimental art and music event space and gallery; programming built around experimental sound.",
          "sources": [
            "https://www.dissonantworks.org/about",
            "https://www.stlmag.com/events/pianist-matthew-shipp-to-perform-at-dissonant-works-gallery/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Regular experimental performances, exhibits, and workshops.",
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            "https://www.dissonantworks.org/about",
            "https://www.stlmag.com/events/pianist-matthew-shipp-to-perform-at-dissonant-works-gallery/"
          ]
        },
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            "https://www.dissonantworks.org/about",
            "https://www.stlmag.com/events/pianist-matthew-shipp-to-perform-at-dissonant-works-gallery/"
          ]
        },
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          "value": 5,
          "evidence": "Nonprofit for experimental art and music; runs Prismatic Dissonance experimental-sound archive.",
          "sources": [
            "https://www.dissonantworks.org/about",
            "https://www.stlmag.com/events/pianist-matthew-shipp-to-perform-at-dissonant-works-gallery/"
          ]
        },
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          "value": 5,
          "evidence": "Volunteer-run 501(c)(3) nonprofit.",
          "sources": [
            "https://www.dissonantworks.org/about",
            "https://www.stlmag.com/events/pianist-matthew-shipp-to-perform-at-dissonant-works-gallery/"
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          "value": 4,
          "sources": [
            "https://www.dissonantworks.org/about",
            "https://www.stlmag.com/events/pianist-matthew-shipp-to-perform-at-dissonant-works-gallery/"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Gallery/event space presented for attentive listening.",
          "sources": [
            "https://www.dissonantworks.org/about",
            "https://www.stlmag.com/events/pianist-matthew-shipp-to-perform-at-dissonant-works-gallery/"
          ]
        }
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      "score": 94,
      "tier": "cornerstone",
      "confidence": 0.88,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.dissonantworks.org/about",
          "https://www.stlmag.com/events/pianist-matthew-shipp-to-perform-at-dissonant-works-gallery/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
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        "crawl_http_status": 200
      },
      "notes": "ANCHOR: calibrated as a VERY HIGH cornerstone venue.",
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          "max_points": 10,
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          "max_points": 8,
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        },
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          "key": "listening_room",
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          "max_points": 5,
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      ]
    },
    {
      "id": "loft-cologne",
      "name": "LOFT",
      "aliases": [
        "LOFT K\u00f6ln",
        "Loft Koeln"
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            "https://www.loftkoeln.de/en/the-room/"
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        },
        "self_description": {
          "value": 5,
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        },
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            "https://de.wikipedia.org/wiki/Loft_(K%C3%B6ln)"
          ]
        },
        "community_reputation": {
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        },
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            "https://www.loftkoeln.de/en/the-room/"
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        }
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        "added_by": "seed:web-research-2026-07",
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          "https://de.wikipedia.org/wiki/Loft_(K%C3%B6ln)"
        ],
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        "link_check": {
          "checked": "2026-08-17",
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          "http": 200
        },
        "last_crawled": "2026-08-17",
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        },
        "artist_roster": {
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        },
        "self_description": {
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          "evidence": "Describes itself as a space for experimental and improvised music performances, multimedia events, poetry and film.",
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        },
        "operating_model": {
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          ]
        },
        "community_reputation": {
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      "score": 94,
      "tier": "cornerstone",
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      "provenance": {
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        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://bostix.org/"
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      },
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          "max_points": 8,
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        },
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          "http": 200
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        "crawl_http_status": 200
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        },
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      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.indexical.org/about",
          "https://lookout.co/experimental-music-and-avant-garde-art-finds-a-home-at-indexical/story",
          "https://arts.ca.gov/grantee/indexical-2/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e1e802276a191e1c",
        "crawl_http_status": 200
      },
      "notes": "Santa Cruz nonprofit purpose-built as a home for experimental and improvised music; ~60 events a year at the Tannery Arts Center.",
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        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "501(c)(3) formed to create a permanent home for experimental music and art in Santa Cruz; its brick-and-mortar space at the Tannery Arts Center exists to present this music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Hosts about 60 events a year, mostly performances and workshops well outside mainstream expectations."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Artists from across the country and around the world perform experimental and improvised work."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly dedicated to experimental music and art."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-founded 501(c)(3) nonprofit."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Covered as the home of Santa Cruz experimental/avant-garde music (Lookout, Good Times); listed on Bay Improviser."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Dedicated performance and gallery space at the Tannery."
        }
      ]
    },
    {
      "id": "les-ateliers-claus-brussels",
      "name": "Les Ateliers Claus",
      "aliases": [],
      "status": "closed",
      "location": {
        "address": "Rue Crickx 15",
        "city": "Brussels",
        "region": "Brussels-Capital",
        "country": "BE",
        "neighborhood": "Saint-Gilles",
        "lat": 50.829,
        "lon": 4.343
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.lesateliersclaus.com/",
      "active_this_year": false,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "A European reference for improvised and creative music; grew from an artistic workshop into a venue centred on alternative/avant-garde music.",
          "sources": [
            "https://www.lesateliersclaus.com/program",
            "https://ra.co/news/84296"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Programmed close to 60 concerts a year in its own halls plus a monthly offsite concert, alongside residencies and jam sessions.",
          "sources": [
            "https://www.periscope-lyon.com/en/post/meeting-the-ateliers-claus-in-brussels/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "A platform for artists in search of adventure and experimentation across improvised and creative music.",
          "sources": [
            "https://www.periscope-lyon.com/en/post/meeting-the-ateliers-claus-in-brussels/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Centred on alternative/avant-garde music; open to all artists seeking experimentation.",
          "sources": [
            "https://www.periscope-lyon.com/en/post/meeting-the-ateliers-claus-in-brussels/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run, volunteer-operated space reliant on private funding.",
          "sources": [
            "https://ra.co/news/84296"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Recognized across Europe in the field of improvised and creative music during its 20-year run.",
          "sources": [
            "https://ra.co/news/84296"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Two performance halls (including a box-in-box room) built for concerts and recordings.",
          "sources": [
            "https://kahle.be/en/ref/lesAteliersClausBrussels-.html"
          ]
        }
      },
      "score": 93,
      "tier": "cornerstone",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.lesateliersclaus.com/program",
          "https://ra.co/news/84296"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://www.lesateliersclaus.com/program"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "98c8e5ab671051ac",
        "crawl_http_status": 200
      },
      "notes": "CLOSED: after ~20 years, private funding ended and all activity stopped by April 2026 (final concert 17 April 2026). Included as a recently-closed cornerstone of the Brussels improv scene.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
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          "max_points": 25,
          "evidence": "A European reference for improvised and creative music; grew from an artistic workshop into a venue centred on alternative/avant-garde music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
          "evidence": "Programmed close to 60 concerts a year in its own halls plus a monthly offsite concert, alongside residencies and jam sessions."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
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          "max_points": 20,
          "evidence": "A platform for artists in search of adventure and experimentation across improvised and creative music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Centred on alternative/avant-garde music; open to all artists seeking experimentation."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run, volunteer-operated space reliant on private funding."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Recognized across Europe in the field of improvised and creative music during its 20-year run."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Two performance halls (including a box-in-box room) built for concerts and recordings."
        }
      ]
    },
    {
      "id": "nameless-sound",
      "name": "Nameless Sound",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Houston",
        "region": "TX",
        "country": "US",
        "lat": 29.7386,
        "lon": -95.3595
      },
      "type": "presenter",
      "operating_model": "nonprofit",
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      "website": "https://www.namelesssound.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Houston's most important presenter of creative music and free improvisation; weekly 'They, Who Sound' experimental series (with Lawndale).",
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            "https://www.namelesssound.org/",
            "https://en.wikipedia.org/wiki/Nameless_Sound"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Weekly experimental/improvised series plus concerts.",
          "sources": [
            "https://www.namelesssound.org/",
            "https://en.wikipedia.org/wiki/Nameless_Sound"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "International contemporary/free-improv artists (e.g. Joe McPhee editions).",
          "sources": [
            "https://www.namelesssound.org/",
            "https://en.wikipedia.org/wiki/Nameless_Sound"
          ]
        },
        "self_description": {
          "value": 5,
          "sources": [
            "https://www.namelesssound.org/",
            "https://en.wikipedia.org/wiki/Nameless_Sound"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit founded 2001 by musician David Dove; deep arts-education mission.",
          "sources": [
            "https://www.namelesssound.org/",
            "https://en.wikipedia.org/wiki/Nameless_Sound"
          ]
        },
        "community_reputation": {
          "value": 4,
          "sources": [
            "https://www.namelesssound.org/",
            "https://en.wikipedia.org/wiki/Nameless_Sound"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://www.namelesssound.org/",
            "https://en.wikipedia.org/wiki/Nameless_Sound"
          ]
        }
      },
      "score": 93,
      "tier": "cornerstone",
      "confidence": 0.83,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.namelesssound.org/",
          "https://en.wikipedia.org/wiki/Nameless_Sound"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ab74fed68e109dcc",
        "crawl_http_status": 200
      },
      "notes": "Presenter (books into rooms such as MATCH and Lawndale).",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
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          "max_points": 25,
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        },
        {
          "key": "show_frequency",
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        },
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          "max_points": 20,
          "evidence": "International contemporary/free-improv artists (e.g. Joe McPhee editions)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
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          "max_points": 12,
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        },
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          "key": "operating_model",
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          "max_points": 10,
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        },
        {
          "key": "community_reputation",
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          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "non-event-boston",
      "name": "Non-Event",
      "aliases": [
        "Non-Event Series"
      ],
      "status": "active",
      "location": {
        "city": "Boston",
        "region": "MA",
        "country": "US",
        "lat": 42.3601,
        "lon": -71.0589
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.nonevent.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Boston concert series devoted to presenting the finest in experimental, abstract, improvised and new music from New England and around the world; founded 2001.",
          "sources": [
            "https://www.nonevent.org/about",
            "https://www.wbur.org/news/2026/04/20/non-event-25-years-experimental-music-boston"
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        },
        "show_frequency": {
          "value": 4,
          "evidence": "Presents a regular season of concerts plus a monthly experimental coffee-house series at Cafe Fixe and the Waterworks series; has staged 100+ concerts.",
          "sources": [
            "https://www.nonevent.org/about",
            "https://www.nonevent.org/concerts"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Books innovative experimental and improvising artists from Boston and internationally.",
          "sources": [
            "https://www.nonevent.org/about"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-described as devoted to experimental, abstract, improvised and new music that is inherently non-commercial.",
          "sources": [
            "https://www.nonevent.org/about"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit, volunteer-driven presenter without a permanent venue; partners with MIT, MassArt, New England Conservatory, Boston City Hall and others.",
          "sources": [
            "https://www.nonevent.org/about"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Marked 25 years of bringing experimental music to Boston, profiled by WBUR.",
          "sources": [
            "https://www.wbur.org/news/2026/04/20/non-event-25-years-experimental-music-boston"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presents attentive concert-format listening events (varies by partner venue).",
          "sources": [
            "https://www.nonevent.org/concerts"
          ]
        }
      },
      "score": 93,
      "tier": "cornerstone",
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      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
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        "source_urls": [
          "https://www.nonevent.org/about",
          "https://www.wbur.org/news/2026/04/20/non-event-25-years-experimental-music-boston"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "96446d8d0ed17e5f",
        "crawl_http_status": 200
      },
      "notes": "Itinerant nonprofit presenter (no fixed venue); coordinates set to Boston city center.",
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        },
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          "max_points": 12,
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          "key": "operating_model",
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          "max_points": 10,
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        },
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          "key": "community_reputation",
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          "max_points": 8,
          "evidence": "Marked 25 years of bringing experimental music to Boston, profiled by WBUR."
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          "key": "listening_room",
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          "points": 4.0,
          "max_points": 5,
          "evidence": "Presents attentive concert-format listening events (varies by partner venue)."
        }
      ]
    },
    {
      "id": "pardon-to-tu-warsaw",
      "name": "Pardon, To Tu",
      "aliases": [],
      "status": "active",
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      "active_this_year": true,
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        "dedicated_series": {
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          "evidence": "Venue focused on avant-garde jazz, experimental and improvised music; described as without equal in Poland for its programme.",
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        },
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          "sources": [
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        },
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          "value": 5,
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            "https://pardontotu.pl/info/",
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          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Frames itself around uncompromising avant-garde jazz, experimental and improvised music.",
          "sources": [
            "https://pardontotu.pl/info/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist-led venue combining live music, bar, bookstore and record store.",
          "sources": [
            "https://pardontotu.pl/info/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Reputed as one of the most important improvised music venues in Europe.",
          "sources": [
            "https://ilovit.com/listing/pardon-to-tu/"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://pardontotu.pl/info/"
          ]
        }
      },
      "score": 93,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
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        "source_urls": [
          "https://pardontotu.pl/info/",
          "https://www.jazznearyou.com/warsaw/venue/pardon-to-tu"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "09132ea42b46784e",
        "crawl_http_status": 200
      },
      "notes": "Warsaw's leading avant-garde jazz and improvised music venue.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
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          "points": 25.0,
          "max_points": 25,
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        },
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          "key": "show_frequency",
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          "key": "artist_roster",
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          "max_points": 12,
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        },
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          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist-led venue combining live music, bar, bookstore and record store."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Reputed as one of the most important improvised music venues in Europe."
        },
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          "key": "listening_room",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "sonoscopia-porto",
      "name": "Sonoscopia",
      "aliases": [
        "Sonoscopia Associa\u00e7\u00e3o"
      ],
      "status": "active",
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        "address": "Rua de Silva Porto 217",
        "city": "Porto",
        "region": "Porto",
        "country": "PT",
        "lat": 41.1553,
        "lon": -8.635
      },
      "type": "arts_center",
      "operating_model": "artist_run",
      "capacity": 80,
      "website": "http://www.sonoscopia.pt/en/",
      "active_this_year": true,
      "signals": {
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          "value": 5,
          "evidence": "Cultural association dedicated to experimental, improvised and electroacoustic music; over 700 events, creations and educational activities since 2011.",
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            "https://sonoscopia.pt/en/sonoscopia/",
            "http://www.sonoscopia.pt/en/"
          ]
        },
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          "value": 4,
          "evidence": "Regular concerts, creations and educational activities at its own space.",
          "sources": [
            "https://sonoscopia.pt/en/sonoscopia/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Platform for artists in experimental, improvised and electroacoustic music and sound exploration.",
          "sources": [
            "https://improvisationinportugal.wordpress.com/2016/08/06/sonoscopia/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-describes as a platform for experimental, improvised and electroacoustic music.",
          "sources": [
            "https://sonoscopia.pt/en/sonoscopia/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run cultural association.",
          "sources": [
            "https://sonoscopia.pt/en/sonoscopia/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Recognized Porto hub for experimental/improvised music, cited internationally (e.g. Cafe OTO collaborations).",
          "sources": [
            "https://www.cafeoto.co.uk/artists/copper-sounds-meets-sonoscopia/"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://sonoscopia.pt/en/sonoscopia/"
          ]
        }
      },
      "score": 93,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://www.sonoscopia.pt/en/",
          "https://sonoscopia.pt/en/sonoscopia/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://sonoscopia.pt/en/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "7ea23e66404ab06a",
        "crawl_http_status": 200
      },
      "notes": "Artist-run Porto platform for experimental, improvised and electroacoustic music.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Cultural association dedicated to experimental, improvised and electroacoustic music; over 700 events, creations and educational activities since 2011."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Regular concerts, creations and educational activities at its own space."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Platform for artists in experimental, improvised and electroacoustic music and sound exploration."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Self-describes as a platform for experimental, improvised and electroacoustic music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run cultural association."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Recognized Porto hub for experimental/improvised music, cited internationally (e.g. Cafe OTO collaborations)."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "the-wulf-los-angeles",
      "name": "the wulf.",
      "aliases": [],
      "status": "closed",
      "location": {
        "address": "1026 S Santa Fe Ave #203",
        "city": "Los Angeles",
        "region": "CA",
        "country": "US",
        "neighborhood": "Arts District",
        "lat": 34.0345,
        "lon": -118.232
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.thewulf.org/",
      "active_this_year": false,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "501(c)(3) nonprofit art space dedicated to experimental music and arts in LA's Arts District; its reason to exist was presenting experimental/improvised music.",
          "sources": [
            "https://www.thewulf.org/",
            "https://www.pbssocal.org/shows/artbound/notes-from-the-underground-the-wulf"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent experimental and improvised concerts during its run (roughly 2008-2016).",
          "sources": [
            "https://www.pbssocal.org/shows/artbound/notes-from-the-underground-the-wulf"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Home to LA and touring experimental/improv composers and performers.",
          "sources": [
            "https://experimentalmusicyearbook.com/filter/the-wulf."
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Dedicated to experimental arts.",
          "sources": [
            "https://www.thewulf.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer-run nonprofit art space.",
          "sources": [
            "https://www.pbssocal.org/shows/artbound/notes-from-the-underground-the-wulf"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Legendary LA underground/experimental space; documented by PBS SoCal Artbound and the Experimental Music Yearbook.",
          "sources": [
            "https://www.pbssocal.org/shows/artbound/notes-from-the-underground-the-wulf"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate seated experimental-music room.",
          "sources": [
            "https://www.sequenza21.com/2016/01/experimental-electronic-music-at-the-wulf/"
          ]
        }
      },
      "score": 93,
      "tier": "cornerstone",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.thewulf.org/",
          "https://www.pbssocal.org/shows/artbound/notes-from-the-underground-the-wulf",
          "https://experimentalmusicyearbook.com/filter/the-wulf."
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e3b0c44298fc1c14",
        "crawl_http_status": 200
      },
      "notes": "CLOSED (~2016, lost its physical space). Legendary volunteer-run LA experimental-music space; score reflects its programming while active. Legacy entry.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "501(c)(3) nonprofit art space dedicated to experimental music and arts in LA's Arts District; its reason to exist was presenting experimental/improvised music."
        },
        {
          "key": "show_frequency",
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          "max_points": 20,
          "evidence": "Frequent experimental and improvised concerts during its run (roughly 2008-2016)."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Home to LA and touring experimental/improv composers and performers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Dedicated to experimental arts."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer-run nonprofit art space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Legendary LA underground/experimental space; documented by PBS SoCal Artbound and the Experimental Music Yearbook."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate seated experimental-music room."
        }
      ]
    },
    {
      "id": "bimhuis-amsterdam",
      "name": "Bimhuis",
      "aliases": [
        "BIMHUIS"
      ],
      "status": "active",
      "location": {
        "address": "Piet Heinkade 3",
        "city": "Amsterdam",
        "region": "Noord-Holland",
        "country": "NL",
        "lat": 52.3785,
        "lon": 4.911
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 375,
      "website": "https://www.bimhuis.nl/en",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Concert hall founded in 1973 dedicated to jazz and improvised music; one of the world's leading venues for the music.",
          "sources": [
            "https://en.wikipedia.org/wiki/Bimhuis",
            "https://www.bimhuis.nl/en"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Presents over 250-300 concerts a year, plus a free Tuesday-night session in the Bimhuis Cafe where musicians meet and play.",
          "sources": [
            "https://en.wikipedia.org/wiki/Bimhuis",
            "https://www.europejazz.net/venues/bimhuis"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs Dutch and international jazz and improvised music, from free improv to more mainstream jazz.",
          "sources": [
            "https://www.europejazz.net/venues/bimhuis"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes itself as a house of jazz and improvised music.",
          "sources": [
            "https://www.bimhuis.nl/en"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Long-established nonprofit institution, now sited next to the Muziekgebouw aan 't IJ.",
          "sources": [
            "https://en.wikipedia.org/wiki/Bimhuis"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Internationally recognized as one of the leading venues for jazz and improvised music.",
          "sources": [
            "https://www.europejazz.net/venues/bimhuis"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Purpose-built listening hall with excellent sightlines over the IJ.",
          "sources": [
            "https://en.wikipedia.org/wiki/Bimhuis"
          ]
        }
      },
      "score": 92,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.bimhuis.nl/en",
          "https://en.wikipedia.org/wiki/Bimhuis"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "c81e627470b7e457",
        "crawl_http_status": 200
      },
      "notes": "Flagship Dutch home of jazz and improvised music since 1974; programs some straighter jazz alongside deep improv.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Concert hall founded in 1973 dedicated to jazz and improvised music; one of the world's leading venues for the music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
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        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
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          "max_points": 20,
          "evidence": "Programs Dutch and international jazz and improvised music, from free improv to more mainstream jazz."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes itself as a house of jazz and improvised music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Long-established nonprofit institution, now sited next to the Muziekgebouw aan 't IJ."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Internationally recognized as one of the leading venues for jazz and improvised music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Purpose-built listening hall with excellent sightlines over the IJ."
        }
      ]
    },
    {
      "id": "grim-montevideo-marseille",
      "name": "GRIM (Montevideo)",
      "aliases": [
        "Groupe de Recherche et d'Improvisation Musicales",
        "GRIM Marseille"
      ],
      "status": "active",
      "location": {
        "address": "3 impasse Montevideo",
        "city": "Marseille",
        "region": "Provence-Alpes-Cote d'Azur",
        "country": "FR",
        "neighborhood": "6e arrondissement",
        "lat": 43.287,
        "lon": 5.382
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://grim.gmem.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Nonprofit for improvised and experimental music founded 1978; presents 40-60 concerts a year of improvised, experimental and noise music at Montevideo.",
          "sources": [
            "https://en.wikipedia.org/wiki/GRIM",
            "https://grim.gmem.org/grim/le_lieu.html"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "40-60 concerts per year of improvised and experimental music.",
          "sources": [
            "https://en.wikipedia.org/wiki/GRIM"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Programs improvisers and experimental/noise artists in the musique vivante tradition it coined.",
          "sources": [
            "https://en.wikipedia.org/wiki/GRIM"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Dedicated to improvised and experimental music free from categorization.",
          "sources": [
            "https://en.wikipedia.org/wiki/GRIM"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit association; since 2016 merged into GMEM, Marseille's national centre for musical creation.",
          "sources": [
            "https://en.gmem.org/presentation"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "A long-standing pillar of France's improvised-music scene, co-founded by Jean-Marc Montera.",
          "sources": [
            "https://fr.wikipedia.org/wiki/Groupe_de_recherche_et_d'improvisation_musicales"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents concerts at Montevideo, a contemporary-creation site with a dedicated music studio.",
          "sources": [
            "https://grim.gmem.org/grim/le_lieu.html"
          ]
        }
      },
      "score": 92,
      "tier": "cornerstone",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://grim.gmem.org/",
          "https://en.wikipedia.org/wiki/GRIM"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e3b0c44298fc1c14",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: GRIM (founded 1978) programs improvised/experimental music at Montevideo in Marseille; merged with GMEM since 2016 - confirm current cadence and venue address.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Nonprofit for improvised and experimental music founded 1978; presents 40-60 concerts a year of improvised, experimental and noise music at Montevideo."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "40-60 concerts per year of improvised and experimental music."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Programs improvisers and experimental/noise artists in the musique vivante tradition it coined."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Dedicated to improvised and experimental music free from categorization."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit association; since 2016 merged into GMEM, Marseille's national centre for musical creation."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "A long-standing pillar of France's improvised-music scene, co-founded by Jean-Marc Montera."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents concerts at Montevideo, a contemporary-creation site with a dedicated music studio."
        }
      ]
    },
    {
      "id": "alchemia-krakow",
      "name": "Alchemia",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "Estery 5",
        "city": "Krak\u00f3w",
        "region": "Lesser Poland",
        "country": "PL",
        "neighborhood": "Kazimierz",
        "lat": 50.0517,
        "lon": 19.944
      },
      "type": "bar_club",
      "operating_model": "artist_run",
      "capacity": 100,
      "website": "https://en.alchemia.com.pl/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Beating heart of experimental jazz in Kazimierz since 1999; birthplace and home of the Krakow Jazz Autumn festival focused exclusively on contemporary improvised music.",
          "sources": [
            "https://en.alchemia.com.pl/",
            "https://en.kjj-festiwal.pl/o-festiwalu/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Regular improvised music concerts plus the September-December Krakow Jazz Autumn festival.",
          "sources": [
            "https://en.kjj-festiwal.pl/o-festiwalu/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Welcomes the greatest artists of contemporary improvised music, in cooperation with Not Two Records.",
          "sources": [
            "https://www.europejazz.net/festival/krakow-jazz-autumn",
            "https://en.alchemia.com.pl/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Presents itself around excellent improvised and experimental music.",
          "sources": [
            "https://en.alchemia.com.pl/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent club run with the Alchemia Cultural Centre Foundation.",
          "sources": [
            "https://en.kjj-festiwal.pl/o-festiwalu/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Widely cited as the center of Krakow's improvised/experimental jazz scene.",
          "sources": [
            "https://krakow.wiki/jazz-music-in-krakow/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Cosy intimate stage for close-up musical encounters.",
          "sources": [
            "https://en.kjj-festiwal.pl/o-festiwalu/"
          ]
        }
      },
      "score": 91,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://en.alchemia.com.pl/",
          "https://en.kjj-festiwal.pl/o-festiwalu/",
          "https://www.europejazz.net/festival/krakow-jazz-autumn"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
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          "evidence": "Caf\u00e9 extended into a concert hall seating around 300, plus outdoor space."
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        "PAS Berlin"
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        },
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          "sources": [
            "https://mengi.net/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-describes as a space for creative and experimental music and art.",
          "sources": [
            "https://mengi.net/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Created and managed by artists.",
          "sources": [
            "https://mengi.net/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Widely cited as Reykjavik's home for experimental/improvised music.",
          "sources": [
            "https://guidetoiceland.is/music-of-iceland/the-best-live-music-venues-in-iceland"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Intimate concert room (49 seated / 70 standing) hidden behind a gallery shop; attentive listening.",
          "sources": [
            "https://mengi.net/"
          ]
        }
      },
      "score": 90,
      "tier": "cornerstone",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://mengi.net/",
          "https://guidetoiceland.is/music-of-iceland/the-best-live-music-venues-in-iceland"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "5f608412503d90c9",
        "crawl_http_status": 200
      },
      "notes": "Artist-run experimental venue, gallery and label in downtown Reykjavik.",
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          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
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        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
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        },
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          "key": "artist_roster",
          "label": "Artist roster",
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        {
          "key": "self_description",
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          "max_points": 12,
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        },
        {
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          "label": "Operating model",
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          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
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        },
        {
          "key": "community_reputation",
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          "max_points": 8,
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        },
        {
          "key": "listening_room",
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          "max_points": 5,
          "evidence": "Intimate concert room (49 seated / 70 standing) hidden behind a gallery shop; attentive listening."
        }
      ]
    },
    {
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      "name": "IKLECTIK",
      "aliases": [
        "Iklectik Art Lab"
      ],
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        "neighborhood": "Peckham",
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        "lon": -0.0699
      },
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      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Nonprofit creative organisation hosting experimental, electronic and free-improvisation music; hosted 1,700+ shows and 21 festivals over its first decade.",
          "sources": [
            "https://en.wikipedia.org/wiki/IKLECTIK",
            "https://iklectik.org/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Prolific experimental programming; relocated after 2024 eviction and reopening in a Peckham Levels residency, so 2026 cadence is rebuilding.",
          "sources": [
            "https://mixmag.net/read/experimental-music-arts-venue-iklectik-reopen-peckham-london-news/",
            "https://ra.co/news/83613"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Books experimental, electronic and free-improv artists.",
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            "https://en.wikipedia.org/wiki/IKLECTIK"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Experimental contemporary art and music space.",
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            "https://iklectik.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Not-for-profit creative organisation.",
          "sources": [
            "https://en.wikipedia.org/wiki/IKLECTIK"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Widely covered grassroots experimental venue; press rallied around its survival after eviction.",
          "sources": [
            "https://www.bigissue.com/culture/music/iklectik-london-grassroots-music-collective-eviction/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Dedicated concert space for attentive listening.",
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            "https://iklectik.org/"
          ]
        }
      },
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      "tier": "cornerstone",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
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          "https://iklectik.org/",
          "https://en.wikipedia.org/wiki/IKLECTIK",
          "https://mixmag.net/read/experimental-music-arts-venue-iklectik-reopen-peckham-london-news/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://www.iklectik.org/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "1a81839b92b46809",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: evicted from Old Paradise Yard (Waterloo) in Jan 2024; reopened in a 13-month residency at Peckham Levels from Oct 2025. Confirm current 2026 address and cadence.",
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        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
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          "max_points": 25,
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        },
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          "label": "Artist roster",
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          "max_points": 12,
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          "label": "Operating model",
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          "max_value": 5,
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          "max_points": 10,
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          "key": "community_reputation",
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          "max_points": 8,
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        },
        {
          "key": "listening_room",
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          "max_points": 5,
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        }
      ]
    },
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        "Ulrichsberger Kaleidophon",
        "Kaleidophon"
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          "evidence": "Annual festival plus regular concerts through the season at the Jazzatelier.",
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            "https://www.jazzatelier.at/"
          ]
        },
        "artist_roster": {
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          ]
        },
        "self_description": {
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        },
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            "https://kupf.at/mitglieder/jazzatelier/"
          ]
        },
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          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate room seating roughly 150 for attentive listening.",
          "sources": [
            "https://ukjazznews.com/kaleidophon-festival-2024-in-austria/"
          ]
        }
      },
      "score": 89,
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        "added_on": "2026-07-17",
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        "source_urls": [
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          "https://www.jazzatelier.at/kaleidophon/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "bf89cf9856cc1970",
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      ]
    },
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      "id": "moers-festival",
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        "country": "DE",
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          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Intensive annual multi-day festival each May across multiple stages, plus curated Moers Sessions.",
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            "https://www.moers-festival.de/en/program/"
          ]
        },
        "artist_roster": {
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          "sources": [
            "https://www.moers-festival.de/en/"
          ]
        },
        "self_description": {
          "value": 5,
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          "sources": [
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          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit, publicly supported festival organization.",
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            "https://www.moers-festival.de/en/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Internationally renowned cornerstone festival of European free/improvised music.",
          "sources": [
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          ]
        },
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          "value": 4,
          "evidence": "Concentrated festival listening across dedicated concert stages and a large open-air stage.",
          "sources": [
            "https://www.moers-festival.de/en/"
          ]
        }
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      "score": 89,
      "tier": "cornerstone",
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      "provenance": {
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        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.moers-festival.de/en/",
          "https://www.moers-festival.de/en/program/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "74371e75850d38e0",
        "crawl_http_status": 200
      },
      "notes": "Historic annual Whitsun festival for free and improvised music, running since 1972; 55th edition in 2026.",
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          "label": "Dedicated series / mission",
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          "max_points": 12,
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        },
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          "key": "operating_model",
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        },
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          "key": "community_reputation",
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          "max_points": 8,
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          "max_points": 5,
          "evidence": "Concentrated festival listening across dedicated concert stages and a large open-air stage."
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      ]
    },
    {
      "id": "mopomoso-london",
      "name": "Mopomoso",
      "aliases": [
        "Mopomoso Monthly"
      ],
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        "country": "GB",
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        "lon": -0.0756
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      "operating_model": "artist_run",
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      "website": "https://mopomoso.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
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          "sources": [
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        },
        "show_frequency": {
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            "https://www.vortexjazz.co.uk/series/mopomoso/"
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        },
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          "sources": [
            "https://mopomoso.com/about/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Exists to promote freely improvised music in all its forms.",
          "sources": [
            "https://mopomoso.com/about/"
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        },
        "operating_model": {
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          "sources": [
            "https://mopomoso.com/about/"
          ]
        },
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          "value": 5,
          "evidence": "Recognized as the UK's longest-running improv series; covered by The Wire and the EFG London Jazz Festival.",
          "sources": [
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          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presented in the Vortex's intimate listening room.",
          "sources": [
            "https://www.vortexjazz.co.uk/series/mopomoso/"
          ]
        }
      },
      "score": 89,
      "tier": "cornerstone",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://mopomoso.com/about/",
          "https://www.vortexjazz.co.uk/series/mopomoso/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "8987b1616b894c2e",
        "crawl_http_status": 200
      },
      "notes": "A presenter/series (not a standalone venue) hosted monthly at the Vortex Jazz Club in Dalston.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "max_points": 25,
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        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Artist-run series, historically led by guitarist John Russell."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Recognized as the UK's longest-running improv series; covered by The Wire and the EFG London Jazz Festival."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Presented in the Vortex's intimate listening room."
        }
      ]
    },
    {
      "id": "pioneer-valley-jazz-shares",
      "name": "Pioneer Valley Jazz Shares",
      "aliases": [
        "Jazz Shares"
      ],
      "status": "active",
      "location": {
        "city": "Amherst",
        "region": "MA",
        "country": "US",
        "neighborhood": "Pioneer Valley",
        "lat": 42.3732,
        "lon": -72.5199
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.jazzshares.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Shareholder-based nonprofit whose entire reason to exist is bringing world-class improvisers and creative music to western Massachusetts.",
          "sources": [
            "https://www.jazzshares.org/about",
            "https://www.jazzshares.org/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Produces between 10 and 20 concerts each season in venues across Franklin, Hampshire and Hampden counties.",
          "sources": [
            "https://www.jazzshares.org/about"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Books world-class improvisers; past shows include Joe Morris, Sam Newsome and other creative-music artists.",
          "sources": [
            "https://sheatheater.org/d/14887/Pioneer-Valley-Jazz-Shares-Presents-MorrisNewsomeMela"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes its mission as bringing extraordinary creative music and world-class improvisers to the region via a CSA-style share model.",
          "sources": [
            "https://www.jazzshares.org/about"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "All-volunteer, shareholder-funded nonprofit (founded 2012).",
          "sources": [
            "https://www.jazzshares.org/about"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-running cornerstone of the western-Massachusetts creative-music community.",
          "sources": [
            "https://www.artshubwma.org/profile/pioneer-valley-jazz-shares"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presents seated, attentive concerts at partner venues.",
          "sources": [
            "https://www.jazzshares.org/"
          ]
        }
      },
      "score": 89,
      "tier": "cornerstone",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.jazzshares.org/about",
          "https://www.jazzshares.org/",
          "https://www.artshubwma.org/profile/pioneer-valley-jazz-shares"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "b63495d72d156ca6",
        "crawl_http_status": 200
      },
      "notes": "Itinerant CSA-model presenter of creative/improvised music across the Pioneer Valley; coordinates set near Amherst.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Shareholder-based nonprofit whose entire reason to exist is bringing world-class improvisers and creative music to western Massachusetts."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Produces between 10 and 20 concerts each season in venues across Franklin, Hampshire and Hampden counties."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Books world-class improvisers; past shows include Joe Morris, Sam Newsome and other creative-music artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Describes its mission as bringing extraordinary creative music and world-class improvisers to the region via a CSA-style share model."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "All-volunteer, shareholder-funded nonprofit (founded 2012)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Long-running cornerstone of the western-Massachusetts creative-music community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Presents seated, attentive concerts at partner venues."
        }
      ]
    },
    {
      "id": "simm-series-musicians-union-hall",
      "name": "SIMM Series at the Musicians Union Hall",
      "aliases": [
        "Static Illusion Methodical Madness",
        "SIMM Series"
      ],
      "status": "active",
      "location": {
        "address": "116 9th St",
        "city": "San Francisco",
        "region": "CA",
        "country": "US",
        "neighborhood": "SoMa",
        "lat": 37.7768,
        "lon": -122.4145
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://outsound.org/programs/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Static Illusion Methodical Madness (SIMM) Series is a dedicated experimental-improvisation and new-music series curated by Outsound Presents since 2001 at the Musicians Union Hall.",
          "sources": [
            "https://www.bayimproviser.com/venue/28/simm-series-@-the-musicians-union-hall",
            "https://www.sfcv.org/organizations/outsound-presents-simm-series"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Runs on alternate Sundays (roughly twice monthly), 7:30-10pm.",
          "sources": [
            "https://www.bayimproviser.com/venue/28/simm-series-@-the-musicians-union-hall"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Cross-section of sound artists from experimental improvisation and composition genres.",
          "sources": [
            "https://www.sfcv.org/organizations/outsound-presents-simm-series"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Presented by Outsound Presents, a collective devoted to experimental composition, improvisational performance, noise, musique concrete and the unnamable.",
          "sources": [
            "https://outsound.org/about/index.html"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "501(c)(3) nonprofit volunteer collective; artist-run grass-roots DIY effort.",
          "sources": [
            "https://outsound.org/about/index.html"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "A pillar of the SF Bay Area experimental scene, running since 2001 under Outsound.",
          "sources": [
            "https://www.sfcv.org/organizations/outsound-presents-simm-series"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated union-hall concert setting; all ages, sliding-scale.",
          "sources": [
            "https://www.bayimproviser.com/venue/28/simm-series-@-the-musicians-union-hall"
          ]
        }
      },
      "score": 89,
      "tier": "cornerstone",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.bayimproviser.com/venue/28/simm-series-@-the-musicians-union-hall",
          "https://www.sfcv.org/organizations/outsound-presents-simm-series",
          "https://outsound.org/about/index.html"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ddaabd0565d8e419",
        "crawl_http_status": 200
      },
      "notes": "Outsound-run SIMM Series at the SF Musicians Union Hall; one of the anchors of the Bay Area experimental/improv scene.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Static Illusion Methodical Madness (SIMM) Series is a dedicated experimental-improvisation and new-music series curated by Outsound Presents since 2001 at the Musicians Union Hall."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Runs on alternate Sundays (roughly twice monthly), 7:30-10pm."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Cross-section of sound artists from experimental improvisation and composition genres."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Presented by Outsound Presents, a collective devoted to experimental composition, improvisational performance, noise, musique concrete and the unnamable."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "501(c)(3) nonprofit volunteer collective; artist-run grass-roots DIY effort."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "A pillar of the SF Bay Area experimental scene, running since 2001 under Outsound."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated union-hall concert setting; all ages, sliding-scale."
        }
      ]
    },
    {
      "id": "transparent-productions-dc",
      "name": "Transparent Productions",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "6950 Maple St NW (Rhizome, current home)",
        "city": "Washington",
        "region": "DC",
        "country": "US",
        "neighborhood": "Takoma",
        "lat": 38.977,
        "lon": -77.0173
      },
      "type": "presenter",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.transparentproductionsdc.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Volunteer cooperative organizing concerts of free jazz / avant-garde jazz / creative improvised music in DC since 1997; now in its 25th-plus season.",
          "sources": [
            "https://www.capitalbop.com/bobby-hill-transparent-productions/",
            "https://www.transparentproductionsdc.org/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Presents a regular season of shows, frequently Sunday evenings at Rhizome.",
          "sources": [
            "https://www.transparentproductionsdc.org/events"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Dedicated to the non-mainstream side of jazz; books recognized free and creative improvisers.",
          "sources": [
            "https://www.capitalbop.com/bobby-hill-transparent-productions/",
            "http://www.openskyjazz.com/2008/04/a-home-for-creative-music-in-dc/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly presents \"free jazz,\" \"avant garde jazz,\" and \"creative improvised music.\"",
          "sources": [
            "https://www.transparentproductionsdc.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Informal volunteer cooperative; 100% of admissions go to the artists, no revenue kept.",
          "sources": [
            "https://www.washingtonpost.com/archive/lifestyle/2005/09/16/transparent-productions-unconventional-ways/33e5bb3d-4f4f-4fea-8b58-49abb4164685/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Multi-decade DC institution for creative music (formerly at Bohemian Caverns, now Rhizome).",
          "sources": [
            "https://www.openskyjazz.com/2020/01/the-indomitable-bobby-hill/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presents attentive-listening concerts in dedicated performance spaces.",
          "sources": [
            "https://www.transparentproductionsdc.org/events"
          ]
        }
      },
      "score": 89,
      "tier": "cornerstone",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.capitalbop.com/bobby-hill-transparent-productions/",
          "https://www.transparentproductionsdc.org/",
          "https://www.washingtonpost.com/archive/lifestyle/2005/09/16/transparent-productions-unconventional-ways/33e5bb3d-4f4f-4fea-8b58-49abb4164685/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "3ca9c32c8a1d9002",
        "crawl_http_status": 200
      },
      "notes": "Long-running DC free-jazz presenting cooperative (since 1997). Currently hosts at Rhizome DC (already in atlas as a venue); Transparent is the distinct presenter/curator.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
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          "max_points": 25,
          "evidence": "Volunteer cooperative organizing concerts of free jazz / avant-garde jazz / creative improvised music in DC since 1997; now in its 25th-plus season."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_value": 5,
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          "max_points": 20,
          "evidence": "Presents a regular season of shows, frequently Sunday evenings at Rhizome."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Dedicated to the non-mainstream side of jazz; books recognized free and creative improvisers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly presents \"free jazz,\" \"avant garde jazz,\" and \"creative improvised music.\""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Informal volunteer cooperative; 100% of admissions go to the artists, no revenue kept."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Multi-decade DC institution for creative music (formerly at Bohemian Caverns, now Rhizome)."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Presents attentive-listening concerts in dedicated performance spaces."
        }
      ]
    },
    {
      "id": "trinosophes",
      "name": "Trinosophes",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Detroit",
        "region": "MI",
        "country": "US",
        "neighborhood": "Eastern Market",
        "lat": 42.3436,
        "lon": -83.0384
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://trinosophes.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Arts nonprofit running live experimental/improvised music, exhibitions, a label and publishing; hosts avant-garde jazz and creative improvisation.",
          "sources": [
            "https://trinosophes.com/",
            "https://avantmusicnews.com/2024/10/19/coming-to-detroits-trinosophes-38/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Performs most nights (typically closed Mondays).",
          "sources": [
            "https://trinosophes.com/",
            "https://avantmusicnews.com/2024/10/19/coming-to-detroits-trinosophes-38/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Local and international improvisers and experimental artists.",
          "sources": [
            "https://trinosophes.com/",
            "https://avantmusicnews.com/2024/10/19/coming-to-detroits-trinosophes-38/"
          ]
        },
        "self_description": {
          "value": 4,
          "sources": [
            "https://trinosophes.com/",
            "https://avantmusicnews.com/2024/10/19/coming-to-detroits-trinosophes-38/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Trinosophes Projects, a Michigan 501(c)(3) nonprofit.",
          "sources": [
            "https://trinosophes.com/",
            "https://avantmusicnews.com/2024/10/19/coming-to-detroits-trinosophes-38/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://trinosophes.com/",
            "https://avantmusicnews.com/2024/10/19/coming-to-detroits-trinosophes-38/"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://trinosophes.com/",
            "https://avantmusicnews.com/2024/10/19/coming-to-detroits-trinosophes-38/"
          ]
        }
      },
      "score": 89,
      "tier": "cornerstone",
      "confidence": 0.82,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://trinosophes.com/",
          "https://avantmusicnews.com/2024/10/19/coming-to-detroits-trinosophes-38/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "17b1b41daef82b64",
        "crawl_http_status": 200
      },
      "notes": "Also houses Peoples Records.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Arts nonprofit running live experimental/improvised music, exhibitions, a label and publishing; hosts avant-garde jazz and creative improvisation."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
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          "points": 16.0,
          "max_points": 20,
          "evidence": "Performs most nights (typically closed Mondays)."
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        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "points": 20.0,
          "max_points": 20,
          "evidence": "Local and international improvisers and experimental artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": ""
        },
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          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Trinosophes Projects, a Michigan 501(c)(3) nonprofit."
        },
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          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "exploratorium-berlin",
      "name": "exploratorium berlin",
      "aliases": [
        "Exploratorium"
      ],
      "status": "active",
      "location": {
        "address": "Zossener Str. 24",
        "city": "Berlin",
        "region": "Berlin",
        "country": "DE",
        "neighborhood": "Kreuzberg",
        "lat": 52.4933,
        "lon": 13.3969
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 80,
      "website": "https://exploratorium-berlin.de/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Founded 2004 as a centre for improvised music and creative music education; improvisation is its defining artistic language.",
          "sources": [
            "https://exploratorium-berlin.de/en/about-us/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Organizes a concert roughly every three weeks with musicians from the international improvisation scene, plus frequent open jams and soundwalks.",
          "sources": [
            "https://exploratorium-berlin.de/en/about-us/",
            "https://exploratorium-berlin.de/en/calendar/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Concerts feature the international free-improvisation scene.",
          "sources": [
            "https://exploratorium-berlin.de/en/about-us/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Central project of the Lilli Friedemann Stiftung; space for free improvisation in music, dance, poetry, theatre and visual arts.",
          "sources": [
            "https://exploratorium-berlin.de/en/about-us/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit foundation project (Lilli Friedemann Stiftung).",
          "sources": [
            "https://exploratorium-berlin.de/en/about-us/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-standing home of Berlin's free-improvisation and improv-education community.",
          "sources": [
            "https://de.wikipedia.org/wiki/Exploratorium_Berlin"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Dedicated concert room.",
          "sources": [
            "https://exploratorium-berlin.de/en/calendar/"
          ]
        }
      },
      "score": 89,
      "tier": "cornerstone",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://exploratorium-berlin.de/en/about-us/",
          "https://de.wikipedia.org/wiki/Exploratorium_Berlin"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "fe145ae27f7d89c7",
        "crawl_http_status": 200
      },
      "notes": "Kreuzberg centre for improvised music and creative music education; moved to Zossener Str. in 2023.",
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        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Founded 2004 as a centre for improvised music and creative music education; improvisation is its defining artistic language."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
          "evidence": "Organizes a concert roughly every three weeks with musicians from the international improvisation scene, plus frequent open jams and soundwalks."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_points": 20,
          "evidence": "Concerts feature the international free-improvisation scene."
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        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Central project of the Lilli Friedemann Stiftung; space for free improvisation in music, dance, poetry, theatre and visual arts."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
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          "max_points": 10,
          "evidence": "Nonprofit foundation project (Lilli Friedemann Stiftung)."
        },
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          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Long-standing home of Berlin's free-improvisation and improv-education community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
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          "max_points": 5,
          "evidence": "Dedicated concert room."
        }
      ]
    },
    {
      "id": "center-for-new-music-sf",
      "name": "Center for New Music",
      "aliases": [
        "C4NM"
      ],
      "status": "active",
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        "country": "US",
        "neighborhood": "Tenderloin",
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        "lon": -122.4108
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 90,
      "website": "https://centerfornewmusic.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Community center founded to nurture experimental and pioneering music; hosts a wide range of experimental, improvised, electronic and contemporary programming plus multiple curated series.",
          "sources": [
            "https://centerfornewmusic.com/",
            "https://www.bayimproviser.com/venue/139/center-for-new-music"
          ]
        },
        "show_frequency": {
          "value": 5,
          "evidence": "Presents multiple concerts most weeks of the year in its dedicated performance space.",
          "sources": [
            "https://centerfornewmusic.com/event/?option=past"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Serves practitioners of creative, non-commercial music; free improvisation, electronic and experimental performers alongside contemporary classical.",
          "sources": [
            "https://centerfornewmusic.com/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Founded on the principle of nurturing experimental and pioneering music that pushes the boundaries of sonic art.",
          "sources": [
            "https://centerfornewmusic.com/"
          ]
        },
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          "value": 5,
          "evidence": "501(c)(3) nonprofit community center for new-music makers and listeners.",
          "sources": [
            "https://centerfornewmusic.com/"
          ]
        },
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          "value": 4,
          "evidence": "Recognized SF new-music hub covered by SF Classical Voice and listed on Bay Improviser.",
          "sources": [
            "https://www.sfcv.org/venues/center-new-music",
            "https://www.bayimproviser.com/venue/139/center-for-new-music"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated attentive listening space; no bar, donation/affordable events.",
          "sources": [
            "https://centerfornewmusic.com/"
          ]
        }
      },
      "score": 88,
      "tier": "cornerstone",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://centerfornewmusic.com/",
          "https://www.bayimproviser.com/venue/139/center-for-new-music",
          "https://www.sfcv.org/venues/center-new-music"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "9d1b9c52efd1697c",
        "crawl_http_status": 200
      },
      "notes": "Downtown SF nonprofit new-music center; balances curated experimental/improv concerts with rehearsal and community use.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
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          "max_points": 25,
          "evidence": "Community center founded to nurture experimental and pioneering music; hosts a wide range of experimental, improvised, electronic and contemporary programming plus multiple curated series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
          "evidence": "Presents multiple concerts most weeks of the year in its dedicated performance space."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_value": 5,
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          "max_points": 20,
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        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Founded on the principle of nurturing experimental and pioneering music that pushes the boundaries of sonic art."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "501(c)(3) nonprofit community center for new-music makers and listeners."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Recognized SF new-music hub covered by SF Classical Voice and listed on Bay Improviser."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated attentive listening space; no bar, donation/affordable events."
        }
      ]
    },
    {
      "id": "racer-sessions-seattle",
      "name": "Racer Sessions",
      "aliases": [
        "Table & Chairs"
      ],
      "status": "active",
      "location": {
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        "region": "WA",
        "country": "US",
        "lat": 47.6062,
        "lon": -122.3321
      },
      "type": "presenter",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "http://www.racersessions.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "A recurring (biweekly, 1st and 3rd Sunday) composition-and-improvisation series where a featured artist presents original work followed by a collective free-improvisation jam; founded 2010 at Cafe Racer.",
          "sources": [
            "http://www.racersessions.com/",
            "https://www.facebook.com/racersessions/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Runs roughly twice a month on Sundays.",
          "sources": [
            "http://www.racersessions.com/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Focused on free/collective improvisation; a hub for Seattle's younger improvisers via the Table & Chairs music collective.",
          "sources": [
            "https://www.livemusicproject.org/events/49085/racer-sessions-luke-woodle"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as dedicated to exploring composition and improvisation and building a community home for the music.",
          "sources": [
            "http://www.racersessions.com/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run series organized by the Table & Chairs collective/label.",
          "sources": [
            "http://www.racersessions.com/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-running incubator repeatedly cited in Seattle improvised-music coverage.",
          "sources": [
            "https://www.earshot.org/dec2015-jazz-jams-and-hangs/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presented in a cafe/bar setting with an attentive-then-participatory format.",
          "sources": [
            "http://www.racersessions.com/"
          ]
        }
      },
      "score": 88,
      "tier": "cornerstone",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://www.racersessions.com/",
          "https://www.facebook.com/racersessions/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "23896345a0ebce36",
        "crawl_http_status": 200
      },
      "notes": "Long-running artist-run improv series (Table & Chairs). Original home Cafe Racer closed in 2020 and the series has moved between venues; current fixed location needs confirmation, so coordinates are Seattle city-center.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "max_points": 25,
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          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
          "evidence": "Runs roughly twice a month on Sundays."
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          "key": "artist_roster",
          "label": "Artist roster",
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          "max_points": 20,
          "evidence": "Focused on free/collective improvisation; a hub for Seattle's younger improvisers via the Table & Chairs music collective."
        },
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          "key": "self_description",
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          "max_points": 12,
          "evidence": "Describes itself as dedicated to exploring composition and improvisation and building a community home for the music."
        },
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          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run series organized by the Table & Chairs collective/label."
        },
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          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Long-running incubator repeatedly cited in Seattle improvised-music coverage."
        },
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          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presented in a cafe/bar setting with an attentive-then-participatory format."
        }
      ]
    },
    {
      "id": "gallery-1412",
      "name": "Gallery 1412",
      "aliases": [],
      "status": "active",
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        "region": "WA",
        "country": "US",
        "neighborhood": "Central District",
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        "lon": -122.314
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      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://gallery1412dotorg.wordpress.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Small DIY storefront run by a collective of musicians, geared toward improvised and other experimental music.",
          "sources": [
            "https://gallery1412dotorg.wordpress.com/"
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        },
        "show_frequency": {
          "value": 4,
          "sources": [
            "https://gallery1412dotorg.wordpress.com/"
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        },
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          "value": 5,
          "evidence": "Improvised and experimental musicians.",
          "sources": [
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        },
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          "value": 5,
          "sources": [
            "https://gallery1412dotorg.wordpress.com/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Musician collective, DIY.",
          "sources": [
            "https://gallery1412dotorg.wordpress.com/"
          ]
        },
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          "value": 3,
          "sources": [
            "https://gallery1412dotorg.wordpress.com/"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://gallery1412dotorg.wordpress.com/"
          ]
        }
      },
      "score": 87,
      "tier": "cornerstone",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://gallery1412dotorg.wordpress.com/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "3b27c41578152bdf",
        "crawl_http_status": 200
      },
      "notes": "DIY improvised/experimental storefront.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
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          "max_points": 25,
          "evidence": "Small DIY storefront run by a collective of musicians, geared toward improvised and other experimental music."
        },
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          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_points": 20,
          "evidence": "Improvised and experimental musicians."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_points": 12,
          "evidence": ""
        },
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          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Musician collective, DIY."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
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    },
    {
      "id": "gare-du-nord-basel",
      "name": "Gare du Nord",
      "aliases": [
        "Gare du Nord - Bahnhof f\u00fcr Neue Musik"
      ],
      "status": "active",
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        "region": "Basel-Stadt",
        "country": "CH",
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        "lon": 7.6073
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 150,
      "website": "https://www.garedunord.ch/en/home",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Switzerland's first experimental-music centre (opened 2002), a curated production and performance venue for the contemporary music scene.",
          "sources": [
            "https://www.garedunord.ch/en/about-us/what-is-gare-du-nord",
            "https://www.basel.com/en/attractions/gare-du-nord-082f52918e"
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        },
        "show_frequency": {
          "value": 4,
          "evidence": "More than 100 events per season.",
          "sources": [
            "https://www.garedunord.ch/en/about-us/what-is-gare-du-nord"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Contemporary chamber, electronic and interdisciplinary music; more new/composed music than free jazz but firmly experimental.",
          "sources": [
            "https://www.garedunord.ch/en/about-us/what-is-gare-du-nord"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Bahnhof f\u00fcr Neue Musik - dedicated home for new and experimental music.",
          "sources": [
            "https://www.garedunord.ch/en/about-us/what-is-gare-du-nord"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit association running the venue in the Badischer Bahnhof.",
          "sources": [
            "https://www.garedunord.ch/en/association"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Recognized home and showcase for Switzerland's lively contemporary-music scene.",
          "sources": [
            "https://www.bs.ch/en/schwerpunkte/portrait/cultural-capital-switzerland/rich-musical-life"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Dedicated concert/performance venue in a former station restaurant.",
          "sources": [
            "https://www.basel.com/en/attractions/gare-du-nord-082f52918e"
          ]
        }
      },
      "score": 87,
      "tier": "cornerstone",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.garedunord.ch/en/home",
          "https://www.garedunord.ch/en/about-us/what-is-gare-du-nord"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "a8d692e053940ec9",
        "crawl_http_status": 200
      },
      "notes": "Switzerland's first experimental-music centre, in Basel's Badischer Bahnhof; new/experimental music focus (more composed than free-improv).",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Switzerland's first experimental-music centre (opened 2002), a curated production and performance venue for the contemporary music scene."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "More than 100 events per season."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Contemporary chamber, electronic and interdisciplinary music; more new/composed music than free jazz but firmly experimental."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Bahnhof f\u00fcr Neue Musik - dedicated home for new and experimental music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit association running the venue in the Badischer Bahnhof."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Recognized home and showcase for Switzerland's lively contemporary-music scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Dedicated concert/performance venue in a former station restaurant."
        }
      ]
    },
    {
      "id": "high-zero-festival",
      "name": "High Zero Festival",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Baltimore",
        "region": "MD",
        "country": "US",
        "lat": 39.326,
        "lon": -76.6165
      },
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      "operating_model": "nonprofit",
      "capacity": null,
      "website": "http://www.highzero.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Annual festival (since 1999) of experimental free-improvised music; non-idiomatic improvisation, instrument building, sound art.",
          "sources": [
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Annual festival plus related weekly Red Room concerts.",
          "sources": [
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "artist_roster": {
          "value": 5,
          "sources": [
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "self_description": {
          "value": 5,
          "sources": [
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "High Zero Foundation nonprofit; volunteer collective.",
          "sources": [
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Nationally recognized free-improvisation festival, 25+ years.",
          "sources": [
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://en.wikipedia.org/wiki/High_Zero"
          ]
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      "score": 87,
      "tier": "cornerstone",
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          "https://en.wikipedia.org/wiki/High_Zero"
        ],
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        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://highzero.org/"
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        "last_crawled": "2026-08-17",
        "last_content_hash": "4b39654b25230783",
        "crawl_http_status": 200
      },
      "notes": "Festival (annual). Frequency is intentionally low as a single event; commitment is very high.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Annual festival (since 1999) of experimental free-improvised music; non-idiomatic improvisation, instrument building, sound art."
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          "key": "show_frequency",
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          "max_points": 20,
          "evidence": "Annual festival plus related weekly Red Room concerts."
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          "key": "self_description",
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          "max_points": 12,
          "evidence": ""
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          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "High Zero Foundation nonprofit; volunteer collective."
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        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
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          "max_points": 8,
          "evidence": "Nationally recognized free-improvisation festival, 25+ years."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "points": 4.0,
          "max_points": 5,
          "evidence": ""
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      ]
    },
    {
      "id": "edgefest-ann-arbor",
      "name": "Edgefest",
      "aliases": [
        "Edgefest Ann Arbor"
      ],
      "status": "active",
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        "address": "415 N Fourth Ave",
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        "region": "MI",
        "country": "US",
        "neighborhood": "Kerrytown",
        "lat": 42.2836,
        "lon": -83.7486
      },
      "type": "festival",
      "operating_model": "nonprofit",
      "capacity": 100,
      "website": "https://kerrytownconcerthouse.com/event/edgefest-29/",
      "active_this_year": true,
      "signals": {
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          "value": 5,
          "evidence": "Annual four-day avant-garde and free-jazz festival presented by the Kerrytown Concert House; one of North America's premier festivals for avant-garde and improvisational music.",
          "sources": [
            "https://kerrytownconcerthouse.com/event/edgefest-29/",
            "https://www.metrotimes.com/music/edgefest-to-celebrate-25-years-of-avant-garde-jazz-at-ann-arbors-kerrytown-concert-house-28371309"
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        },
        "show_frequency": {
          "value": 2,
          "evidence": "Concentrated annual four-day festival (29th edition in 2025) rather than year-round programming.",
          "sources": [
            "https://kerrytownconcerthouse.com/event/edgefest-29/"
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        "artist_roster": {
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          "sources": [
            "https://annarborobserver.com/guide/edgefest/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Bills itself as an avant-garde and free-jazz / creative-music festival.",
          "sources": [
            "https://kerrytownconcerthouse.com/event/edgefest-29/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Produced by the nonprofit Kerrytown Concert House.",
          "sources": [
            "https://annarborobserver.com/guide/edgefest/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Named by DownBeat among the world's top 50 jazz/avant festivals.",
          "sources": [
            "https://www.metrotimes.com/music/edgefest-to-celebrate-25-years-of-avant-garde-jazz-at-ann-arbors-kerrytown-concert-house-28371309"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Held in the intimate 100-seat Kerrytown Concert House.",
          "sources": [
            "https://kerrytownconcerthouse.com/"
          ]
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      "score": 86,
      "tier": "cornerstone",
      "confidence": 0.75,
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        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
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          "https://kerrytownconcerthouse.com/event/edgefest-29/",
          "https://www.metrotimes.com/music/edgefest-to-celebrate-25-years-of-avant-garde-jazz-at-ann-arbors-kerrytown-concert-house-28371309"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "40ed84a00e11a5d5",
        "crawl_http_status": 403
      },
      "notes": "Annual avant-garde/free-jazz festival hosted at the Kerrytown Concert House; distinct festival entity from the year-round venue.",
      "score_breakdown": [
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          "label": "Dedicated series / mission",
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          "max_points": 25,
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          "max_points": 20,
          "evidence": "Concentrated annual four-day festival (29th edition in 2025) rather than year-round programming."
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        {
          "key": "artist_roster",
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          "max_points": 12,
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        },
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          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
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          "max_points": 10,
          "evidence": "Produced by the nonprofit Kerrytown Concert House."
        },
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          "key": "community_reputation",
          "label": "Community reputation",
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          "max_points": 8,
          "evidence": "Named by DownBeat among the world's top 50 jazz/avant festivals."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "points": 5.0,
          "max_points": 5,
          "evidence": "Held in the intimate 100-seat Kerrytown Concert House."
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      ]
    },
    {
      "id": "extradition-series-portland",
      "name": "Extradition Series",
      "aliases": [],
      "status": "active",
      "location": {
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        "region": "OR",
        "country": "US",
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        "lon": -122.6765
      },
      "type": "presenter",
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      "active_this_year": true,
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          "value": 5,
          "evidence": "A curated concert series presenting 20th- and 21st-century experimental music at the intersection of composition and improvisation - notated scores, graphic/text works and structured improvisations.",
          "sources": [
            "https://extradition-series.com/about.html",
            "https://creativemusicguild.org/events/extradition/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Tightly curated quarterly concerts plus occasional recital events.",
          "sources": [
            "https://creativemusicguild.org/events/extradition/"
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        "artist_roster": {
          "value": 5,
          "evidence": "Draws musicians from Oregon's classical, jazz, electronic and improvised communities to realize experimental works.",
          "sources": [
            "https://extradition-series.com/about.html"
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        },
        "self_description": {
          "value": 5,
          "evidence": "Name derives from \"Ex[perimental]tradition\"; explicitly explores the American experimental tradition and structured improvisation.",
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            "https://extradition-series.com/about.html"
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        },
        "operating_model": {
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            "https://creativemusicguild.org/events/extradition/"
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        },
        "community_reputation": {
          "value": 4,
          "evidence": "Recognized in Oregon ArtsWatch as one of Portland's improvisation institutions.",
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        },
        "listening_room": {
          "value": 5,
          "evidence": "Presented in attentive recital/concert settings (e.g. Leaven Community Center).",
          "sources": [
            "https://everout.com/portland/events/extradition-series-2020-winter-concert/e98685/"
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      "score": 86,
      "tier": "cornerstone",
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        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
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          "https://creativemusicguild.org/extradition/",
          "https://extradition-series.com/about.html",
          "https://creativemusicguild.org/events/extradition/"
        ],
        "needs_human_review": false,
        "url_corrections": [
          {
            "on": "2026-08-17",
            "from": "https://www.extradition-series.com/",
            "to": "https://creativemusicguild.org/extradition/",
            "why": "extradition-series.com lapsed; the series now lives on the Creative Music Guild site",
            "by": "maintainer:linkcheck-sweep"
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        ],
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "46ff35f2438bfe83",
        "crawl_http_status": 200
      },
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          "label": "Dedicated series / mission",
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          "max_value": 5,
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          "max_points": 25,
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          "max_points": 20,
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          "max_points": 12,
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          "max_points": 10,
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Recognized in Oregon ArtsWatch as one of Portland's improvisation institutions."
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          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Presented in attentive recital/concert settings (e.g. Leaven Community Center)."
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    },
    {
      "id": "santanna-arresi-jazz-festival",
      "name": "Ai Confini tra Sardegna e Jazz",
      "aliases": [
        "Sant'Anna Arresi Jazz",
        "Ai Confini"
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      "status": "active",
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        "region": "Sardinia",
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        "lon": 8.6423
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      "type": "festival",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://aiconfinitrasardegnaejazz.it/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Jazz festival strongly focused on free jazz since 1985/86; has hosted Ornette Coleman, Don Cherry, Art Ensemble of Chicago and others on the Arresino stage.",
          "sources": [
            "https://it.wikipedia.org/wiki/Ai_confini_tra_Sardegna_e_Jazz",
            "https://www.europejazz.net/festival/ai-confini-tra-sardegna-e-jazz"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Annual festival between late August and early September, plus the itinerant Jazz Around sister program.",
          "sources": [
            "https://www.sardegnaturismo.it/it/eventi/ai-confini-tra-sardegna-e-jazz-jazz-around"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Historically centered on free jazz and avant-garde improvisers.",
          "sources": [
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          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Frames itself around the boundaries between Sardinian tradition and jazz, with a strong free-jazz identity.",
          "sources": [
            "https://it.wikipedia.org/wiki/Ai_confini_tra_Sardegna_e_Jazz"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Organized by the nonprofit Associazione Culturale Punta Giara.",
          "sources": [
            "https://italiajazz.it/socio/associazione-culturale-punta-giara/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Among the most important free-jazz festivals in Europe.",
          "sources": [
            "https://www.europejazz.net/festival/ai-confini-tra-sardegna-e-jazz"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://it.wikipedia.org/wiki/Ai_confini_tra_Sardegna_e_Jazz"
          ]
        }
      },
      "score": 85,
      "tier": "cornerstone",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://it.wikipedia.org/wiki/Ai_confini_tra_Sardegna_e_Jazz",
          "https://www.europejazz.net/festival/ai-confini-tra-sardegna-e-jazz"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "unreachable",
          "detail": "URLError: <urlopen error [Errno 8] nodename nor servname provided, or not known>"
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        "last_crawled": "2026-08-17",
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      },
      "notes": "Historic Sardinian free-jazz festival at Sant'Anna Arresi. Coordinates are the town.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Jazz festival strongly focused on free jazz since 1985/86; has hosted Ornette Coleman, Don Cherry, Art Ensemble of Chicago and others on the Arresino stage."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
          "evidence": "Annual festival between late August and early September, plus the itinerant Jazz Around sister program."
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        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "points": 20.0,
          "max_points": 20,
          "evidence": "Historically centered on free jazz and avant-garde improvisers."
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        {
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          "label": "Self-description",
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          "points": 12.0,
          "max_points": 12,
          "evidence": "Frames itself around the boundaries between Sardinian tradition and jazz, with a strong free-jazz identity."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Organized by the nonprofit Associazione Culturale Punta Giara."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Among the most important free-jazz festivals in Europe."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "angelica-festival-bologna",
      "name": "AngelicA - Festival Internazionale di Musica",
      "aliases": [
        "AngelicA"
      ],
      "status": "active",
      "location": {
        "address": "Teatro San Leonardo, Via San Vitale 63",
        "city": "Bologna",
        "region": "Emilia-Romagna",
        "country": "IT",
        "lat": 44.4956,
        "lon": 11.3542
      },
      "type": "festival",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://aaa-angelica.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "International music festival founded 1991, focused on the most radical and experimental expressions of contemporary music; electronics, improvisation, minimalism, avant-garde, drone and contemporary jazz.",
          "sources": [
            "https://it.wikipedia.org/wiki/AngelicA_-_festival_internazionale_di_musica",
            "https://www.bolognawelcome.com/en/events/festivals/angelica-festival-internazionale-di-musica-en"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Annual festival held over roughly a month each May-June, plus a year-round research centre.",
          "sources": [
            "https://it.wikipedia.org/wiki/AngelicA_-_festival_internazionale_di_musica"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Programs radical experimental and improvising musicians from around the world.",
          "sources": [
            "https://www.freejazzblog.org/2025/05/angelica-35-ciaoing-and-getting-ciaoed.html"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Artistic line free from genres and definitions, focused on experimental/research music.",
          "sources": [
            "https://www.bolognadavivere.com/2026/05/angelica-36-a-bologna-torna-il-festival-che-da-36-anni-reinventa-il-suono/"
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        },
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          "evidence": "Nonprofit music research centre (Centro di Ricerca Musicale) directed by Massimo Simonini.",
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        },
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          "value": 5,
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        },
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          "value": 4,
          "evidence": "Centered on Teatro San Leonardo, a seated concert space.",
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            "https://www.bolognadavivere.com/2026/05/angelica-36-a-bologna-torna-il-festival-che-da-36-anni-reinventa-il-suono/"
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        }
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      "tier": "cornerstone",
      "confidence": 0.8,
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        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
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          "https://it.wikipedia.org/wiki/AngelicA_-_festival_internazionale_di_musica",
          "https://aaa-angelica.com/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://aaa-angelica.com/aaa/"
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        "last_crawled": "2026-08-17",
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        "crawl_http_status": 200
      },
      "notes": "Long-running Bologna experimental/research music festival, based at Teatro San Leonardo.",
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          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "International music festival founded 1991, focused on the most radical and experimental expressions of contemporary music; electronics, improvisation, minimalism, avant-garde, drone and contemporary jazz."
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        {
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          "max_points": 20,
          "evidence": "Annual festival held over roughly a month each May-June, plus a year-round research centre."
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          "max_points": 20,
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        },
        {
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          "label": "Self-description",
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          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Artistic line free from genres and definitions, focused on experimental/research music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
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          "max_points": 10,
          "evidence": "Nonprofit music research centre (Centro di Ricerca Musicale) directed by Massimo Simonini."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
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          "max_points": 8,
          "evidence": "One of Italy's most important festivals of contemporary and research music, internationally recognized."
        },
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          "key": "listening_room",
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          "max_value": 5,
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          "max_points": 5,
          "evidence": "Centered on Teatro San Leonardo, a seated concert space."
        }
      ]
    },
    {
      "id": "seattle-improvised-music-festival",
      "name": "Seattle Improvised Music Festival",
      "aliases": [
        "SIMF"
      ],
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        "lon": -122.3321
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      "operating_model": "nonprofit",
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      "website": "https://seattleimprovfest.wordpress.com/",
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      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "A festival wholly dedicated to total free improvisation, running annually since 1986; typically pairs visiting improvisers with local musicians.",
          "sources": [
            "https://seattleimprovfest.wordpress.com/",
            "https://www.earshot.org/03-20-the-35th-annual-seattle-improvised-music-festival/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Concentrated annual festival (a handful of nights) rather than year-round programming.",
          "sources": [
            "https://seattleimprovfest.wordpress.com/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Exclusively free-improvisation artists exploring the full sound range of their instruments, plus silence and noise.",
          "sources": [
            "https://www.earshot.org/here-by-ear-the-34th-annual-seattle-improvised-music-festival/"
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        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as celebrating total free improvisation.",
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            "https://seattleimprovfest.wordpress.com/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit-run; presented in partnership with Nonsequitur and Earshot Jazz.",
          "sources": [
            "https://www.nseq.org/concerts/33rd-seattle-improvised-music-festival/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "One of Seattle's longest-running and most distinctive musical experiments.",
          "sources": [
            "https://www.earshot.org/03-20-the-35th-annual-seattle-improvised-music-festival/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presented in attentive concert/listening settings (e.g., Chapel Performance Space).",
          "sources": [
            "https://www.nseq.org/concerts/33rd-seattle-improvised-music-festival/"
          ]
        }
      },
      "score": 85,
      "tier": "cornerstone",
      "confidence": 0.75,
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        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
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          "https://www.nseq.org/concerts/33rd-seattle-improvised-music-festival/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
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        "crawl_http_status": 200
      },
      "notes": "Annual free-improvisation festival, founded 1986 by Paul Hoskin. Coordinates are Seattle city-center; the festival moves between partner venues.",
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          "label": "Dedicated series / mission",
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          "max_points": 25,
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        {
          "key": "show_frequency",
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          "max_points": 20,
          "evidence": "Concentrated annual festival (a handful of nights) rather than year-round programming."
        },
        {
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          "max_points": 20,
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        {
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          "max_points": 12,
          "evidence": "Describes itself as celebrating total free improvisation."
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        {
          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit-run; presented in partnership with Nonsequitur and Earshot Jazz."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
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          "max_points": 8,
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        {
          "key": "listening_room",
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          "max_points": 5,
          "evidence": "Presented in attentive concert/listening settings (e.g., Chapel Performance Space)."
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      ]
    },
    {
      "id": "vortex-jazz-club-london",
      "name": "Vortex Jazz Club",
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        },
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        },
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        },
        "self_description": {
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        },
        "operating_model": {
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        },
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          "value": 5,
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          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Intimate listening jazz club.",
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            "https://www.timeout.com/london/music/vortex"
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        }
      },
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      "tier": "cornerstone",
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          "https://future.london/organisation/vortex-jazz-club/"
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        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
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          "http": 200
        },
        "last_crawled": "2026-08-17",
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      },
      "notes": "Home of the Mopomoso monthly improv series; balances avant-garde with more accessible jazz.",
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          "max_points": 5,
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      ]
    },
    {
      "id": "bar-isshee-tokyo",
      "name": "Bar Isshee",
      "aliases": [
        "Barisshee"
      ],
      "status": "active",
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        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent free-jazz and improv performances with nominal cover charges.",
          "sources": [
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        },
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        },
        "self_description": {
          "value": 4,
          "evidence": "Presents itself as a home for free jazz, abstract, experimental and improvised music.",
          "sources": [
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        },
        "operating_model": {
          "value": 4,
          "evidence": "Owner-run intimate bar (~20-25 capacity) built around the music.",
          "sources": [
            "https://www.tokyogigguide.com/en/gigs/venue/333"
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        },
        "community_reputation": {
          "value": 4,
          "evidence": "Named repeatedly in Tokyo experimental/free-jazz scene guides and documented on numerous live recordings.",
          "sources": [
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        },
        "listening_room": {
          "value": 4,
          "evidence": "Tiny bar where the performance is the point.",
          "sources": [
            "https://www.tokyogigguide.com/en/gigs/venue/333"
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        }
      },
      "score": 84,
      "tier": "committed",
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      "provenance": {
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        "source_urls": [
          "https://www.tokyogigguide.com/en/gigs/venue/333",
          "https://www.squidco.com/miva/merchant.mv?Screen=PROD&Store_Code=S&Product_Code=16793",
          "https://geoffleigh.bandcamp.com/album/live-bar-ishee-tokyo"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 400,
          "detail": "HTTP 400"
        },
        "last_crawled": "2026-08-17",
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      },
      "notes": "Intimate Sendagi/Bunkyo basement bar dedicated to free jazz and improvised music since 2008.",
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          "max_points": 25,
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        {
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        {
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          "max_value": 5,
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          "max_points": 10,
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          "max_points": 5,
          "evidence": "Tiny bar where the performance is the point."
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      ]
    },
    {
      "id": "fmrl-nashville",
      "name": "FMRL",
      "aliases": [
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        "FMRL Arts"
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      "status": "active",
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        "address": "presents at venues across Middle Tennessee",
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      "type": "presenter",
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      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Arts nonprofit whose mission is to foster the sonic arts by organizing experimental and avant-garde music events in Middle Tennessee; co-presents the NoiseMatter fest of avant-garde, improvised and noise music.",
          "sources": [
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        },
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        },
        "artist_roster": {
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        },
        "self_description": {
          "value": 5,
          "evidence": "Independent arts collective/nonprofit dedicated to experimental and avant-garde music.",
          "sources": [
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        },
        "operating_model": {
          "value": 5,
          "evidence": "Arts nonprofit directed by longtime Nashville promoter/musician Chris Davis.",
          "sources": [
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        },
        "community_reputation": {
          "value": 4,
          "evidence": "Named \"Best Avant-Garde Music Series\" by the Nashville Scene; a two-decade fixture of the city's underground.",
          "sources": [
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          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents in varied spaces rather than a single dedicated room.",
          "sources": [
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        }
      },
      "score": 84,
      "tier": "committed",
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      "provenance": {
        "added_by": "seed:web-research-2026-07",
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        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "af95bdb3de833ae8",
        "crawl_http_status": 200
      },
      "notes": "Nashville experimental/avant-garde music nonprofit and presenter (directed by Chris Davis); nomadic across Middle Tennessee venues. Co-presents the NoiseMatter festival.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Arts nonprofit whose mission is to foster the sonic arts by organizing experimental and avant-garde music events in Middle Tennessee; co-presents the NoiseMatter fest of avant-garde, improvised and noise music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Organizes a steady stream of experimental music events around Nashville."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Books experimental, avant-garde, and improvising musicians from Nashville and the broader Southeast."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Independent arts collective/nonprofit dedicated to experimental and avant-garde music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Arts nonprofit directed by longtime Nashville promoter/musician Chris Davis."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Named \"Best Avant-Garde Music Series\" by the Nashville Scene; a two-decade fixture of the city's underground."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents in varied spaces rather than a single dedicated room."
        }
      ]
    },
    {
      "id": "hundred-years-gallery-london",
      "name": "Hundred Years Gallery",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "13 Pearson St",
        "city": "London",
        "region": "England",
        "country": "GB",
        "neighborhood": "Haggerston",
        "lat": 51.533,
        "lon": -0.0772
      },
      "type": "gallery",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "http://hundredyearsgallery.co.uk/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Strong commitment to presenting new composed, improvised and experimental music in an excellent acoustic setting; hosts the BRAK Festival of Improvised Music.",
          "sources": [
            "http://hundredyearsgallery.co.uk/about/",
            "https://londonjazznews.com/2020/03/04/brak-festival-of-improvised-music-at-the-hundred-years-gallery/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Weekly concerts featuring international artists and the UK's most creative musicians.",
          "sources": [
            "http://hundredyearsgallery.co.uk/about/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "A home to numerous players in the improvised and new-music world; welcomes musicians from all over the world.",
          "sources": [
            "http://hundredyearsgallery.co.uk/about/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Bastion of and friend to free music and creative thinking; dedicated to improvised and experimental music and sound works.",
          "sources": [
            "http://hundredyearsgallery.co.uk/about/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Not-for-profit Community Interest Company (Hundred Years Arts CIC).",
          "sources": [
            "http://hundredyearsgallery.co.uk/about/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Recognized in the London improv scene; LUME and other DIY promoters run regular nights there.",
          "sources": [
            "https://lumemusic.co.uk/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Small gallery with excellent acoustics for attentive listening.",
          "sources": [
            "http://hundredyearsgallery.co.uk/about/"
          ]
        }
      },
      "score": 84,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://hundredyearsgallery.co.uk/about/",
          "https://londonjazznews.com/2020/03/04/brak-festival-of-improvised-music-at-the-hundred-years-gallery/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "07831c0b9843a65f",
        "crawl_http_status": 200
      },
      "notes": "Small Haggerston gallery with a serious weekly improvised/new-music program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Strong commitment to presenting new composed, improvised and experimental music in an excellent acoustic setting; hosts the BRAK Festival of Improvised Music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Weekly concerts featuring international artists and the UK's most creative musicians."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "A home to numerous players in the improvised and new-music world; welcomes musicians from all over the world."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Bastion of and friend to free music and creative thinking; dedicated to improvised and experimental music and sound works."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Not-for-profit Community Interest Company (Hundred Years Arts CIC)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Recognized in the London improv scene; LUME and other DIY promoters run regular nights there."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Small gallery with excellent acoustics for attentive listening."
        }
      ]
    },
    {
      "id": "instigation-festival-nola",
      "name": "Instigation Festival",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "New Orleans",
        "region": "LA",
        "country": "US",
        "neighborhood": "Faubourg Marigny / roaming",
        "lat": 29.9648,
        "lon": -90.0565
      },
      "type": "festival",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.instigationfestival.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "An entire festival dedicated to improvised music and dance, bringing Chicago and New Orleans creative musicians together for interdisciplinary collaboration.",
          "sources": [
            "https://www.instigationfestival.com/about",
            "https://www.offbeat.com/news/instigation-festival/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "An annual (recently biannual) multi-day festival rather than a continuous series.",
          "sources": [
            "https://www.offbeat.com/news/2024-instigation-festival/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Rosters are drawn from the Chicago and New Orleans improvised/creative-music communities.",
          "sources": [
            "https://www.instigationfestival.com/about"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Frames itself around creative spontaneity and improvised collaboration - musicians prioritizing playfulness and discovery.",
          "sources": [
            "https://www.instigationfestival.com/about"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run, founded 2016 by guitarist Steve Marquette and movement artist Marie Casimir.",
          "sources": [
            "https://www.instigationfestival.com/about"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Covered by OffBeat, Gambit, My New Orleans and PopMatters as a key improvised-music gathering.",
          "sources": [
            "https://www.popmatters.com/instigation-festival-14-event-review"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Spans clubs, bars, community spaces and larger performance venues; settings vary.",
          "sources": [
            "https://www.instigationfestival.com/about"
          ]
        }
      },
      "score": 84,
      "tier": "committed",
      "confidence": 0.68,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.instigationfestival.com/",
          "https://www.offbeat.com/news/instigation-festival/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "90e7cab1b14a11b2",
        "crawl_http_status": 200
      },
      "notes": "Roaming Chicago-New Orleans improvised-music-and-dance festival (coordinates anchored to its Marigny/NOLA base); a dedicated free-improv gathering rather than a fixed venue.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "An entire festival dedicated to improvised music and dance, bringing Chicago and New Orleans creative musicians together for interdisciplinary collaboration."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "An annual (recently biannual) multi-day festival rather than a continuous series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Rosters are drawn from the Chicago and New Orleans improvised/creative-music communities."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Frames itself around creative spontaneity and improvised collaboration - musicians prioritizing playfulness and discovery."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run, founded 2016 by guitarist Steve Marquette and movement artist Marie Casimir."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Covered by OffBeat, Gambit, My New Orleans and PopMatters as a key improvised-music gathering."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Spans clubs, bars, community spaces and larger performance venues; settings vary."
        }
      ]
    },
    {
      "id": "nymusikk-oslo",
      "name": "nyMusikk",
      "aliases": [
        "Ny Musikk"
      ],
      "status": "active",
      "location": {
        "city": "Oslo",
        "region": "Oslo",
        "country": "NO",
        "lat": 59.911,
        "lon": 10.746
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://nymusikk.no/en/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Norway's centre for experimental music and sound art; commissions, produces and presents new music, and runs the Only Connect Festival of Sound.",
          "sources": [
            "https://nymusikk.no/en/om-nymusikk-english",
            "https://monoskop.org/NyMusikk"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Arranges concerts, festivals, screenings, installations and lectures across Oslo and eleven regional branches.",
          "sources": [
            "https://nymusikk.no/en/om-nymusikk-english"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Presents adventurous/experimental composers, improvisers and sound artists; Norwegian section of ISCM.",
          "sources": [
            "https://monoskop.org/NyMusikk"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as Norway's centre for experimental music and sound art.",
          "sources": [
            "https://nymusikk.no/en/om-nymusikk-english"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit member organisation founded 1938 by Pauline Hall.",
          "sources": [
            "https://nymusikk.no/en/om-nymusikk-english"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Longstanding pillar of Norwegian new/experimental music; runs Only Connect and Off The Page festivals.",
          "sources": [
            "https://monoskop.org/NyMusikk"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://nymusikk.no/en/om-nymusikk-english"
          ]
        }
      },
      "score": 84,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://nymusikk.no/en/om-nymusikk-english",
          "https://monoskop.org/NyMusikk"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "5c92e2a576022dc8",
        "crawl_http_status": 200
      },
      "notes": "Presenter/organisation rather than a fixed room; produces experimental music and sound-art events across Oslo (and nationally). Coordinates are Oslo city-centre approximate.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Norway's centre for experimental music and sound art; commissions, produces and presents new music, and runs the Only Connect Festival of Sound."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Arranges concerts, festivals, screenings, installations and lectures across Oslo and eleven regional branches."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Presents adventurous/experimental composers, improvisers and sound artists; Norwegian section of ISCM."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Describes itself as Norway's centre for experimental music and sound art."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit member organisation founded 1938 by Pauline Hall."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Longstanding pillar of Norwegian new/experimental music; runs Only Connect and Off The Page festivals."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "2220-arts-archives",
      "name": "2220 Arts + Archives",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Los Angeles",
        "region": "CA",
        "country": "US",
        "neighborhood": "Historic Filipinotown",
        "lat": 34.0653,
        "lon": -118.276
      },
      "type": "arts_center",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.2220arts.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Volunteer-run interdisciplinary center focused on experimentation, improvisation and adventure; cooperatively programmed by ~a dozen LA programmers/nonprofits.",
          "sources": [
            "https://www.2220arts.org/about",
            "https://culture.lacity.gov/venue/2220-arts-archives"
          ]
        },
        "show_frequency": {
          "value": 4,
          "sources": [
            "https://www.2220arts.org/about",
            "https://culture.lacity.gov/venue/2220-arts-archives"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Improvised, international, and experimental music among film/literary programs.",
          "sources": [
            "https://www.2220arts.org/about",
            "https://culture.lacity.gov/venue/2220-arts-archives"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Dedicated to innovative performance and experimental arts.",
          "sources": [
            "https://www.2220arts.org/about",
            "https://culture.lacity.gov/venue/2220-arts-archives"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer-run community arts cooperative (former Bootleg Theater).",
          "sources": [
            "https://www.2220arts.org/about",
            "https://culture.lacity.gov/venue/2220-arts-archives"
          ]
        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://www.2220arts.org/about",
            "https://culture.lacity.gov/venue/2220-arts-archives"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://www.2220arts.org/about",
            "https://culture.lacity.gov/venue/2220-arts-archives"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.2220arts.org/about",
          "https://culture.lacity.gov/venue/2220-arts-archives"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "21b468bebd876945",
        "crawl_http_status": 200
      },
      "notes": "Cooperatively programmed; music is one strong strand of a broad experimental program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Volunteer-run interdisciplinary center focused on experimentation, improvisation and adventure; cooperatively programmed by ~a dozen LA programmers/nonprofits."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Improvised, international, and experimental music among film/literary programs."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Dedicated to innovative performance and experimental arts."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer-run community arts cooperative (former Bootleg Theater)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "big-ears-festival",
      "name": "Big Ears Festival",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "multiple downtown venues (Tennessee Theatre, Bijou, The Mill & Mine, etc.)",
        "city": "Knoxville",
        "region": "TN",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 35.964,
        "lon": -83.919
      },
      "type": "festival",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://bigearsfestival.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Multi-day festival of experimental, avant-garde, and boundary-pushing music; a defining event whose reason to exist is adventurous programming.",
          "sources": [
            "https://bigearsfestival.org/",
            "https://en.wikipedia.org/wiki/Big_Ears_Festival"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Annual festival (each spring) but massive in scale (250+ events across 20+ venues).",
          "sources": [
            "https://bigearsfestival.org/",
            "https://www.travelandtourworld.com/news/article/knoxville-transformed-into-a-creative-haven-for-music-art-and-culture-dont-miss-big-ears-festival-2026/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "\"A jazz festival gone rogue\" featuring world-renowned avant-garde, jazz, and experimental artists.",
          "sources": [
            "https://en.wikipedia.org/wiki/Big_Ears_Festival"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Presents music \"liberated from the confines of category,\" spanning experimental and avant-garde music, poetry, film, and art.",
          "sources": [
            "https://bigearsfestival.org/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Produced by AC Entertainment (founder Ashley Capps); a professionally produced festival rather than an artist-run/nonprofit collective.",
          "sources": [
            "https://en.wikipedia.org/wiki/Big_Ears_Festival"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Widely described as America's most diverse and exploratory music festival; a national reference point for experimental music.",
          "sources": [
            "https://liveforlivemusic.com/news/big-ears-unleashes-creative-collisions-controlled-chaos-knoxville-tn/",
            "https://en.wikipedia.org/wiki/Big_Ears_Festival"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Programmed in theaters and halls built for attentive listening.",
          "sources": [
            "https://bigearsfestival.org/"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://bigearsfestival.org/",
          "https://en.wikipedia.org/wiki/Big_Ears_Festival"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ef7eebf267a205cd",
        "crawl_http_status": 200
      },
      "notes": "Knoxville's internationally renowned experimental/avant-garde festival (founded 2009). Annual, which caps the frequency signal, but a cornerstone by reputation and roster.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
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          "max_points": 25,
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        {
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          "label": "Frequency of relevant shows",
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          "max_points": 20,
          "evidence": "Annual festival (each spring) but massive in scale (250+ events across 20+ venues)."
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        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "\"A jazz festival gone rogue\" featuring world-renowned avant-garde, jazz, and experimental artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "points": 12.0,
          "max_points": 12,
          "evidence": "Presents music \"liberated from the confines of category,\" spanning experimental and avant-garde music, poetry, film, and art."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Produced by AC Entertainment (founder Ashley Capps); a professionally produced festival rather than an artist-run/nonprofit collective."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Widely described as America's most diverse and exploratory music festival; a national reference point for experimental music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Programmed in theaters and halls built for attentive listening."
        }
      ]
    },
    {
      "id": "community-of-sound-burlington",
      "name": "Community of Sound",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "1 Main St",
        "city": "Burlington",
        "region": "VT",
        "country": "US",
        "lat": 44.4759,
        "lon": -73.2205
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      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://ofsound.community/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Music incubator explicitly focused on experimental and contemporary art music, free improvisation and sound art.",
          "sources": [
            "https://ofsound.community/",
            "https://www.sevendaysvt.com/music/eye-on-the-scene/eye-on-the-scene-experimental-music-at-burlingtons/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Produces new works, residencies and recurring events (e.g. VT Synth Society monthly) around Burlington's experimental scene.",
          "sources": [
            "https://ofsound.community/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs free-improv and sound-art practitioners; producing new works is part of its mission.",
          "sources": [
            "https://ofsound.community/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-described as a music incubator for experimental music, free improvisation and sound art.",
          "sources": [
            "https://ofsound.community/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit arts organization (Community of Sound Corporation, founded 2020).",
          "sources": [
            "https://www.causeiq.com/organizations/community-of-sound-corporation,834026332/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Covered by Seven Days as a hub for Burlington's experimental music scene.",
          "sources": [
            "https://www.sevendaysvt.com/music/eye-on-the-scene/eye-on-the-scene-experimental-music-at-burlingtons/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents attentive experimental-music events; setting varies.",
          "sources": [
            "https://ofsound.community/"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://ofsound.community/",
          "https://www.sevendaysvt.com/music/eye-on-the-scene/eye-on-the-scene-experimental-music-at-burlingtons/",
          "https://www.causeiq.com/organizations/community-of-sound-corporation,834026332/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "f9af9276aa7823e1",
        "crawl_http_status": 200
      },
      "notes": "Burlington nonprofit incubator centered on free improvisation and sound art; coordinates approximate to 1 Main St.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
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          "max_points": 25,
          "evidence": "Music incubator explicitly focused on experimental and contemporary art music, free improvisation and sound art."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_value": 5,
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          "max_points": 20,
          "evidence": "Produces new works, residencies and recurring events (e.g. VT Synth Society monthly) around Burlington's experimental scene."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
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          "max_points": 20,
          "evidence": "Programs free-improv and sound-art practitioners; producing new works is part of its mission."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Self-described as a music incubator for experimental music, free improvisation and sound art."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit arts organization (Community of Sound Corporation, founded 2020)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Covered by Seven Days as a hub for Burlington's experimental music scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents attentive experimental-music events; setting varies."
        }
      ]
    },
    {
      "id": "epistrophy-arts",
      "name": "Epistrophy Arts",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Austin",
        "region": "TX",
        "country": "US",
        "lat": 30.2672,
        "lon": -97.7431
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://nowplayingaustin.com/organization/epistrophy-arts/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Grass-roots organization presenting adventurous and improvised music in Austin since 1998.",
          "sources": [
            "https://www.furious.com/perfect/epistrophyarts.html",
            "https://austin.culturemap.com/news/entertainment/02-06-14-bringing-adventurous-avant-garde-music-to-town-with-pedro-moreno-and-epistrophy-arts/"
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        },
        "show_frequency": {
          "value": 2,
          "evidence": "~100 shows over two decades \u2014 periodic rather than weekly.",
          "sources": [
            "https://www.furious.com/perfect/epistrophyarts.html",
            "https://austin.culturemap.com/news/entertainment/02-06-14-bringing-adventurous-avant-garde-music-to-town-with-pedro-moreno-and-epistrophy-arts/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Presented Joe McPhee, Arthur Doyle, Susie Ibarra, Assif Tsahar, Fire!, Konk Pack.",
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            "https://www.furious.com/perfect/epistrophyarts.html",
            "https://austin.culturemap.com/news/entertainment/02-06-14-bringing-adventurous-avant-garde-music-to-town-with-pedro-moreno-and-epistrophy-arts/"
          ]
        },
        "self_description": {
          "value": 5,
          "sources": [
            "https://www.furious.com/perfect/epistrophyarts.html",
            "https://austin.culturemap.com/news/entertainment/02-06-14-bringing-adventurous-avant-garde-music-to-town-with-pedro-moreno-and-epistrophy-arts/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Grass-roots, artist/organizer-run (Pedro Moreno).",
          "sources": [
            "https://www.furious.com/perfect/epistrophyarts.html",
            "https://austin.culturemap.com/news/entertainment/02-06-14-bringing-adventurous-avant-garde-music-to-town-with-pedro-moreno-and-epistrophy-arts/"
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        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://www.furious.com/perfect/epistrophyarts.html",
            "https://austin.culturemap.com/news/entertainment/02-06-14-bringing-adventurous-avant-garde-music-to-town-with-pedro-moreno-and-epistrophy-arts/"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://www.furious.com/perfect/epistrophyarts.html",
            "https://austin.culturemap.com/news/entertainment/02-06-14-bringing-adventurous-avant-garde-music-to-town-with-pedro-moreno-and-epistrophy-arts/"
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        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.furious.com/perfect/epistrophyarts.html",
          "https://austin.culturemap.com/news/entertainment/02-06-14-bringing-adventurous-avant-garde-music-to-town-with-pedro-moreno-and-epistrophy-arts/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "40ed84a00e11a5d5",
        "crawl_http_status": 403
      },
      "notes": "Presenter; books into Austin rooms such as the Museum of Human Achievement.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Grass-roots organization presenting adventurous and improvised music in Austin since 1998."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
          "evidence": "~100 shows over two decades \u2014 periodic rather than weekly."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Presented Joe McPhee, Arthur Doyle, Susie Ibarra, Assif Tsahar, Fire!, Konk Pack."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": ""
        },
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          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Grass-roots, artist/organizer-run (Pedro Moreno)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
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      ]
    },
    {
      "id": "galeria-ze-dos-bois-lisbon",
      "name": "Galeria Z\u00e9 dos Bois",
      "aliases": [
        "ZDB"
      ],
      "status": "active",
      "location": {
        "address": "Rua da Barroca 59",
        "city": "Lisbon",
        "region": "Lisbon",
        "country": "PT",
        "neighborhood": "Bairro Alto",
        "lat": 38.7118,
        "lon": -9.1447
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": 200,
      "website": "https://zedosbois.org/en/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Art centre whose ZDBm\u00fczique program promotes transgressive/exploratory music - improvised music, electroacoustic, free jazz and noise.",
          "sources": [
            "https://zedosbois.org/en/music/",
            "https://zedosbois.org/en/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Hosts more than 150 arts events per year including a strong concert program.",
          "sources": [
            "https://zedosbois.org/en/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Renowned for cutting-edge international acts in experimental music, free jazz and underground electronics.",
          "sources": [
            "https://ma.to/venue/galeriazedosbois"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Instigates research by artists in experimental music, noise, power electronics and free jazz.",
          "sources": [
            "https://zedosbois.org/en/music/"
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        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit organisation created in 1994 by a civic initiative.",
          "sources": [
            "https://zedosbois.org/en/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "The Lisbon destination for experimental/underground music, cited by Time Out and the international press.",
          "sources": [
            "https://www.timeout.com/lisbon/art/zdb-galeria-ze-dos-bois"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://zedosbois.org/en/visit/"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://zedosbois.org/en/",
          "https://zedosbois.org/en/music/",
          "https://www.timeout.com/lisbon/art/zdb-galeria-ze-dos-bois"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "2b7438cf849a9bd9",
        "crawl_http_status": 200
      },
      "notes": "Bairro Alto nonprofit art centre; ZDBm\u00fczique presents experimental music, free jazz and noise.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Art centre whose ZDBm\u00fczique program promotes transgressive/exploratory music - improvised music, electroacoustic, free jazz and noise."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "points": 16.0,
          "max_points": 20,
          "evidence": "Hosts more than 150 arts events per year including a strong concert program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Renowned for cutting-edge international acts in experimental music, free jazz and underground electronics."
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          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Instigates research by artists in experimental music, noise, power electronics and free jazz."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit organisation created in 1994 by a civic initiative."
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          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "The Lisbon destination for experimental/underground music, cited by Time Out and the international press."
        },
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          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "glasgow-improvisers-orchestra",
      "name": "Glasgow Improvisers Orchestra",
      "aliases": [
        "GIO",
        "GIOfest"
      ],
      "status": "active",
      "location": {
        "address": "350 Sauchiehall St (GIOfest at CCA Glasgow)",
        "city": "Glasgow",
        "region": "Scotland",
        "country": "GB",
        "lat": 55.866,
        "lon": -4.266
      },
      "type": "presenter",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.glasgowimprovisersorchestra.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Artist-run large improvising ensemble that presents the annual GIOfest free-improvisation festival (at CCA Glasgow) plus workshops and monthly sessions.",
          "sources": [
            "https://www.glasgowimprovisersorchestra.com/about/",
            "https://www.cca-glasgow.com/programme/glasgow-improvisers-orchestra-giofest-xii"
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        },
        "show_frequency": {
          "value": 3,
          "evidence": "Annual festival plus ongoing projects, sessions and GIObabies workshops through the year.",
          "sources": [
            "https://www.cca-glasgow.com/programme/glasgow-improvisers-orchestra-giobabies-music-workshop"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Draws on free-improvisation, jazz and experimental musicians; collaborates with figures such as Barry Guy and Douglas R. Ewart.",
          "sources": [
            "https://glasgowimprovisersorchestra.bandcamp.com/track/improvisation-gio",
            "https://iceorg.org/events/2024/giofest-douglas-r-ewart"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Devoted to exploring improvised music, from free improvisation to graphic scores and telematic performance.",
          "sources": [
            "https://www.glasgowimprovisersorchestra.com/about/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Musician-led improvising orchestra of around 20 players.",
          "sources": [
            "https://www.glasgowimprovisersorchestra.com/about/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Internationally acclaimed since 2002; GIOfest previewed by The Quietus.",
          "sources": [
            "https://thequietus.com/news/preview-glasgow-improvisers-orchestras-giofest/"
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        },
        "listening_room": {
          "value": 3,
          "evidence": "Concerts presented in seated arts-centre spaces such as CCA Glasgow.",
          "sources": [
            "https://www.cca-glasgow.com/programme/glasgow-improvisers-orchestra-giofest-xii"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.glasgowimprovisersorchestra.com/about/",
          "https://www.cca-glasgow.com/programme/glasgow-improvisers-orchestra-giofest-xii"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "b905123f46943f6d",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: an artist-run orchestra/presenter rather than a fixed venue; GIOfest is hosted at CCA Glasgow. Coordinates are the CCA.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Artist-run large improvising ensemble that presents the annual GIOfest free-improvisation festival (at CCA Glasgow) plus workshops and monthly sessions."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Annual festival plus ongoing projects, sessions and GIObabies workshops through the year."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Draws on free-improvisation, jazz and experimental musicians; collaborates with figures such as Barry Guy and Douglas R. Ewart."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Devoted to exploring improvised music, from free improvisation to graphic scores and telematic performance."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Musician-led improvising orchestra of around 20 players."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Internationally acclaimed since 2002; GIOfest previewed by The Quietus."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Concerts presented in seated arts-centre spaces such as CCA Glasgow."
        }
      ]
    },
    {
      "id": "high-mayhem-santa-fe",
      "name": "High Mayhem",
      "aliases": [
        "High Mayhem Emerging Arts",
        "High Mayhem Studio"
      ],
      "status": "active",
      "location": {
        "address": "2811 Siler Ln",
        "city": "Santa Fe",
        "region": "NM",
        "country": "US",
        "lat": 35.6585,
        "lon": -106.005
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://highmayhem.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Not-for-profit emerging-arts facility, record label and multimedia collective that curates performances and workshops year-round for experimental artists, emphasizing improvisation and cross-media synthesis.",
          "sources": [
            "https://highmayhem.org/about",
            "https://highmayhem.org/events/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Curates performances and workshops throughout the year for visiting and local experimental musicians.",
          "sources": [
            "https://highmayhem.org/events/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Programs underrepresented \"experimental\" artists who employ improvisational techniques and the unorthodox.",
          "sources": [
            "https://highmayhem.org/about"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly challenges pop-culture groupthink and provides a space and voice for experimental, improvisational and cross-media work.",
          "sources": [
            "https://highmayhem.org/about"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Not-for-profit collective and record label, founded 2001.",
          "sources": [
            "https://highmayhem.org/about"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-running anchor of Santa Fe's experimental/improvised scene and record label.",
          "sources": [
            "https://santafe.com/santa-fes-best-live-musical-venues/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Studio/performance facility (attentive but multi-use, not a formal seated hall).",
          "sources": [
            "https://highmayhem.org/about"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://highmayhem.org/",
          "https://highmayhem.org/about",
          "https://highmayhem.org/events/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "f5ed393acdfe955e",
        "crawl_http_status": 200
      },
      "notes": "Santa Fe not-for-profit experimental-arts collective, venue and label (est. 2001). Coordinates approximate to the Siler Ln studio.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Not-for-profit emerging-arts facility, record label and multimedia collective that curates performances and workshops year-round for experimental artists, emphasizing improvisation and cross-media synthesis."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Curates performances and workshops throughout the year for visiting and local experimental musicians."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Programs underrepresented \"experimental\" artists who employ improvisational techniques and the unorthodox."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly challenges pop-culture groupthink and provides a space and voice for experimental, improvisational and cross-media work."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Not-for-profit collective and record label, founded 2001."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Long-running anchor of Santa Fe's experimental/improvised scene and record label."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Studio/performance facility (attentive but multi-use, not a formal seated hall)."
        }
      ]
    },
    {
      "id": "lacking-sound-festival-taipei",
      "name": "Lacking Sound Fest",
      "aliases": [
        "LSF",
        "\u5931\u8072\u796d"
      ],
      "status": "active",
      "location": {
        "address": "Taipei Contemporary Culture Lab (C-LAB), 177 Jianguo S Rd Sec 1, Da'an (current base)",
        "city": "Taipei",
        "region": "Taipei",
        "country": "TW",
        "neighborhood": "Da'an",
        "lat": 25.0263,
        "lon": 121.5457
      },
      "type": "presenter",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "http://lsf-taiwan.blogspot.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Long-running monthly experimental sound-performance series founded by Taiwanese sound artists to build a platform and community for the medium.",
          "sources": [
            "http://lsf-taiwan.blogspot.com/",
            "https://www.somersethouse.org.uk/whats-on/music-hackspace-presents-taiwanese-experimental-music"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Roughly monthly performance events, running continuously for well over a decade.",
          "sources": [
            "http://lsf-taiwan.blogspot.com/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Presents Taiwanese and international experimental/improv sound artists; documents and produces writing on the local scene.",
          "sources": [
            "https://www.youtube.com/watch?v=VhRaWqhDV3o"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "One of Taiwan's most prestigious dedicated experimental sound-art platforms.",
          "sources": [
            "https://www.somersethouse.org.uk/whats-on/music-hackspace-presents-taiwanese-experimental-music"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Artist-founded collective/series (not a commercial venue).",
          "sources": [
            "http://lsf-taiwan.blogspot.com/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Named repeatedly as a cornerstone of Taipei's experimental music community.",
          "sources": [
            "https://daily.bandcamp.com/scene-report/tainan-experimental-scene-report"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presented as attentive sound-art concerts, currently based at C-LAB.",
          "sources": [
            "https://www.youtube.com/watch?v=VhRaWqhDV3o"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://lsf-taiwan.blogspot.com/",
          "https://www.somersethouse.org.uk/whats-on/music-hackspace-presents-taiwanese-experimental-music",
          "https://www.youtube.com/watch?v=VhRaWqhDV3o"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "37c625d34dc71672",
        "crawl_http_status": 200
      },
      "notes": "Monthly experimental sound-performance series (a presenter, not a fixed venue); host location has moved over time and is currently associated with C-LAB. Coordinates point to the current host site.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Long-running monthly experimental sound-performance series founded by Taiwanese sound artists to build a platform and community for the medium."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Roughly monthly performance events, running continuously for well over a decade."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Presents Taiwanese and international experimental/improv sound artists; documents and produces writing on the local scene."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "One of Taiwan's most prestigious dedicated experimental sound-art platforms."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Artist-founded collective/series (not a commercial venue)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Named repeatedly as a cornerstone of Taipei's experimental music community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Presented as attentive sound-art concerts, currently based at C-LAB."
        }
      ]
    },
    {
      "id": "mayhem-copenhagen",
      "name": "Mayhem",
      "aliases": [
        "Mayhem KBH"
      ],
      "status": "active",
      "location": {
        "address": "Ragnhildgade 1",
        "city": "Copenhagen",
        "region": "Capital Region",
        "country": "DK",
        "lat": 55.7086,
        "lon": 12.5637
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 150,
      "website": "https://mayhemkbh.dk/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Space for extreme and experimental music known for free jazz and weird electronic music; hosts an annual Jazzfest (July) and Noisefest (December).",
          "sources": [
            "https://mayhemkbh.dk/",
            "https://www.thewire.co.uk/audio/tracks/listen_performances-at-the-mayhem-venue"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Two or three shows a week.",
          "sources": [
            "https://mayhemkbh.dk/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs free jazz, noise and experimental artists from the underground.",
          "sources": [
            "https://www.thewire.co.uk/audio/tracks/listen_performances-at-the-mayhem-venue"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-describes as a space for extreme and experimental music.",
          "sources": [
            "https://mayhemkbh.dk/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Run by voluntary powers since 2009; DIY underground venue.",
          "sources": [
            "https://mayhemkbh.dk/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Cited by The Wire and Copenhagen scene guides as a key experimental/underground venue.",
          "sources": [
            "https://www.thewire.co.uk/audio/tracks/listen_performances-at-the-mayhem-venue"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://mayhemkbh.dk/"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://mayhemkbh.dk/",
          "https://www.thewire.co.uk/audio/tracks/listen_performances-at-the-mayhem-venue"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "f9281fd2fb3af305",
        "crawl_http_status": 200
      },
      "notes": "Volunteer-run extreme/experimental music venue on Copenhagen's outskirts; free jazz plus annual Jazzfest and Noisefest. Address/coords approximate.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Space for extreme and experimental music known for free jazz and weird electronic music; hosts an annual Jazzfest (July) and Noisefest (December)."
        },
        {
          "key": "show_frequency",
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          "points": 16.0,
          "max_points": 20,
          "evidence": "Two or three shows a week."
        },
        {
          "key": "artist_roster",
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          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs free jazz, noise and experimental artists from the underground."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Self-describes as a space for extreme and experimental music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Run by voluntary powers since 2009; DIY underground venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Cited by The Wire and Copenhagen scene guides as a key experimental/underground venue."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "new-haven-improvisers-collective",
      "name": "New Haven Improvisers Collective",
      "aliases": [
        "NHIC"
      ],
      "status": "active",
      "location": {
        "city": "New Haven",
        "region": "CT",
        "country": "US",
        "lat": 41.3083,
        "lon": -72.9279
      },
      "type": "presenter",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.nhic-music.org/nhic-about.html",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Collective wholly dedicated to improvised music, running regular workshops and performances; reason to exist is free/improvised music.",
          "sources": [
            "https://www.nhic-music.org/nhic-about.html",
            "https://nhic-music.org/mission-statement/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular workshops plus periodic performances; presented an \"Evening of New Music\" and other 2025 events at the Ely Center after moving from Never Ending Books.",
          "sources": [
            "https://nhicpresents.bandcamp.com/album/evening-of-new-music-2025-02-13",
            "https://www.newhavenindependent.org/2025/10/29/new-haven-improvisers-collective-keeps-moving/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Brings together jazz, rock, classical and electronic players for improvised performance.",
          "sources": [
            "https://www.nhic-music.org/nhic-about.html"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-described organization to support and participate in improvised music.",
          "sources": [
            "https://nhic-music.org/mission-statement/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer, member-run improvisers' collective (20+ years).",
          "sources": [
            "https://www.newhavenindependent.org/article/nhic_cafe_nine"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Long-running pillar of New Haven's improvised-music scene, covered by the New Haven Independent.",
          "sources": [
            "https://www.newhavenindependent.org/2025/10/29/new-haven-improvisers-collective-keeps-moving/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents attentive performances at host venues (currently the Ely Center).",
          "sources": [
            "https://www.newhavenindependent.org/2025/10/29/new-haven-improvisers-collective-keeps-moving/"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.nhic-music.org/nhic-about.html",
          "https://nhic-music.org/mission-statement/",
          "https://www.newhavenindependent.org/2025/10/29/new-haven-improvisers-collective-keeps-moving/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 403,
          "detail": "HTTP 403"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "278f003df0c26e51",
        "crawl_http_status": 403
      },
      "notes": "Member-run improvisers' collective (presenter/workshop series); no fixed venue, currently hosted at the Ely Center. Coordinates set to New Haven center.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Collective wholly dedicated to improvised music, running regular workshops and performances; reason to exist is free/improvised music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular workshops plus periodic performances; presented an \"Evening of New Music\" and other 2025 events at the Ely Center after moving from Never Ending Books."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Brings together jazz, rock, classical and electronic players for improvised performance."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Self-described organization to support and participate in improvised music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer, member-run improvisers' collective (20+ years)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Long-running pillar of New Haven's improvised-music scene, covered by the New Haven Independent."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents attentive performances at host venues (currently the Ely Center)."
        }
      ]
    },
    {
      "id": "pittsburgh-sound-preserve",
      "name": "Pittsburgh Sound Preserve",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "5002 Penn Ave (Bantha Tea Bar, frequent host)",
        "city": "Pittsburgh",
        "region": "PA",
        "country": "US",
        "neighborhood": "Garfield / Bloomfield",
        "lat": 40.4652,
        "lon": -79.9476
      },
      "type": "presenter",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.pghsoundpreserve.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Runs the Foundation improvised-music series and the biweekly Open Improvisation Lab; exists to find, promote, and celebrate creative music in Pittsburgh.",
          "sources": [
            "https://www.pghsoundpreserve.org/about-us",
            "https://www.pghsoundpreserve.org/tough-pill-1"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Open Improvisation Lab runs every other Monday at Bantha Tea Bar, plus the recurring Foundation series and other presented shows.",
          "sources": [
            "https://www.pghsoundpreserve.org/oil",
            "https://www.pghsoundpreserve.org/calendar"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Foundation features ad hoc groupings of local improvisers; presents touring free-jazz acts (e.g. Bark Culture from Philadelphia).",
          "sources": [
            "https://www.pghsoundpreserve.org/calendar/tcrps-prsnts-an-evening-of-experimental-improvised-music-and-sounds-feat-bark-culture-philly-elsinore-and-boydozer"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-describes as a community music organization dedicated to creative music and freely improvised sound-making.",
          "sources": [
            "https://www.pghsoundpreserve.org/about-us"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer-driven, soon-to-be nonprofit community organization.",
          "sources": [
            "https://www.pghsoundpreserve.org/about-us"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Maintains Pittsburgh's improvised-music calendar and zine; a growing hub for the scene.",
          "sources": [
            "https://www.pghsoundpreserve.org/calendar"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents in tea bars, garages, and small spaces rather than a dedicated hall.",
          "sources": [
            "https://www.pghsoundpreserve.org/oil"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.pghsoundpreserve.org/about-us",
          "https://www.pghsoundpreserve.org/tough-pill-1",
          "https://www.pghsoundpreserve.org/calendar"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "d3fe012d74834b50",
        "crawl_http_status": 200
      },
      "notes": "Nomadic Pittsburgh improvised-music organization; Open Improvisation Lab regularly at Bantha Tea Bar (coordinates), with the Foundation series and touring bookings across the city.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Runs the Foundation improvised-music series and the biweekly Open Improvisation Lab; exists to find, promote, and celebrate creative music in Pittsburgh."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Open Improvisation Lab runs every other Monday at Bantha Tea Bar, plus the recurring Foundation series and other presented shows."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Foundation features ad hoc groupings of local improvisers; presents touring free-jazz acts (e.g. Bark Culture from Philadelphia)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Self-describes as a community music organization dedicated to creative music and freely improvised sound-making."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer-driven, soon-to-be nonprofit community organization."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Maintains Pittsburgh's improvised-music calendar and zine; a growing hub for the scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents in tea bars, garages, and small spaces rather than a dedicated hall."
        }
      ]
    },
    {
      "id": "superdeluxe-tokyo",
      "name": "SuperDeluxe",
      "aliases": [
        "Super Deluxe"
      ],
      "status": "closed",
      "location": {
        "address": "B1F, 3-1-25 Nishi-Azabu, Minato-ku",
        "city": "Tokyo",
        "region": "Tokyo",
        "country": "JP",
        "neighborhood": "Nishi-Azabu",
        "lat": 35.6596,
        "lon": 139.7222
      },
      "type": "dedicated_space",
      "operating_model": "commercial",
      "capacity": 200,
      "website": "https://www.super-deluxe.com/",
      "active_this_year": false,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "2002-2019 space for music, art, performance and talks that became a base for Tokyo's experimental underground.",
          "sources": [
            "https://www.japantimes.co.jp/culture/2018/11/01/music/superdeluxe-provided-safe-space-experimentation-tokyo-will-miss/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent experimental music and cross-arts events across its 17-year run.",
          "sources": [
            "https://www.timeout.com/tokyo/bars-and-pubs/superdeluxe"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Base for Keiji Haino, Otomo Yoshihide and Seiichi Yamamoto and host to international avant-garde figures including Jim O'Rourke and Alvin Lucier.",
          "sources": [
            "https://www.japantimes.co.jp/culture/2018/11/01/music/superdeluxe-provided-safe-space-experimentation-tokyo-will-miss/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Conceived as a hybrid live venue, gallery, performance space and lounge for experimentation.",
          "sources": [
            "https://www.timeout.com/tokyo/bars-and-pubs/superdeluxe"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial venue with a strong experimental mission (founded by architects Klein Dytham).",
          "sources": [
            "https://www.timeout.com/tokyo/bars-and-pubs/superdeluxe"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Remembered as one of Japan's leading experimental cultural transmitters; its 2019 closure was widely mourned in the press.",
          "sources": [
            "https://www.japantimes.co.jp/culture/2018/11/01/music/superdeluxe-provided-safe-space-experimentation-tokyo-will-miss/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Flexible hybrid space with a bar; not a pure seated listening room.",
          "sources": [
            "https://www.timeout.com/tokyo/bars-and-pubs/superdeluxe"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.japantimes.co.jp/culture/2018/11/01/music/superdeluxe-provided-safe-space-experimentation-tokyo-will-miss/",
          "https://www.timeout.com/tokyo/bars-and-pubs/superdeluxe",
          "https://en.japantravel.com/tokyo/super-deluxe-in-roppongi/1585"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://super-deluxe.com/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "36c62eb9f895c175",
        "crawl_http_status": 200
      },
      "notes": "CLOSED 2019 after 17 years (building demolition). Included as a historically important cornerstone of Tokyo's experimental scene; a successor project, SupernaturalDeluxe, opened in Chiba in 2022.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "2002-2019 space for music, art, performance and talks that became a base for Tokyo's experimental underground."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent experimental music and cross-arts events across its 17-year run."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Base for Keiji Haino, Otomo Yoshihide and Seiichi Yamamoto and host to international avant-garde figures including Jim O'Rourke and Alvin Lucier."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Conceived as a hybrid live venue, gallery, performance space and lounge for experimentation."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial venue with a strong experimental mission (founded by architects Klein Dytham)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Remembered as one of Japan's leading experimental cultural transmitters; its 2019 closure was widely mourned in the press."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Flexible hybrid space with a bar; not a pure seated listening room."
        }
      ]
    },
    {
      "id": "worm-rotterdam",
      "name": "WORM",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "Boomgaardsstraat 71",
        "city": "Rotterdam",
        "region": "Zuid-Holland",
        "country": "NL",
        "lat": 51.9165,
        "lon": 4.477
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://worm.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Non-profit multimedia cultural centre focused on experimental, avant-garde and underground art, primarily music; grew out of Dodorama, a venue/shop for experimental music.",
          "sources": [
            "https://en.wikipedia.org/wiki/WORM_(Rotterdam)",
            "https://worm.org/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Organises festivals, concerts and movie nights year-round, with regular experimental and improvised music.",
          "sources": [
            "https://en.wikipedia.org/wiki/WORM_(Rotterdam)"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Runs artist-in-residence programmes for experimental musicians and books avant/underground artists.",
          "sources": [
            "https://en.wikipedia.org/wiki/WORM_(Rotterdam)"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Rotterdam's ever-growing multi-setting space for all things experimental.",
          "sources": [
            "https://worm.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Non-profit foundation, part of the Rotterdam culture plan.",
          "sources": [
            "https://en.wikipedia.org/wiki/WORM_(Rotterdam)"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Established institution in Dutch experimental music; awarded the Pendrecht Culture Prize.",
          "sources": [
            "https://en.wikipedia.org/wiki/WORM_(Rotterdam)"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Concert hall built from salvaged materials alongside a bar, studio and cinema.",
          "sources": [
            "https://en.wikipedia.org/wiki/WORM_(Rotterdam)"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://worm.org/",
          "https://en.wikipedia.org/wiki/WORM_(Rotterdam)"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "081bd8ac15c24fc0",
        "crawl_http_status": 200
      },
      "notes": "Long-running Rotterdam centre for experimental/avant-garde music, film and media art.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Non-profit multimedia cultural centre focused on experimental, avant-garde and underground art, primarily music; grew out of Dodorama, a venue/shop for experimental music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Organises festivals, concerts and movie nights year-round, with regular experimental and improvised music."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Runs artist-in-residence programmes for experimental musicians and books avant/underground artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Rotterdam's ever-growing multi-setting space for all things experimental."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Non-profit foundation, part of the Rotterdam culture plan."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Established institution in Dutch experimental music; awarded the Pendrecht Culture Prize."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Concert hall built from salvaged materials alongside a bar, studio and cinema."
        }
      ]
    },
    {
      "id": "fruityspace-beijing",
      "name": "fRUITYSPACE",
      "aliases": [
        "FruitySpace"
      ],
      "status": "active",
      "location": {
        "address": "Meishuguan Dongjie, Dongcheng (near National Art Museum of China)",
        "city": "Beijing",
        "region": "Beijing",
        "country": "CN",
        "neighborhood": "Dongcheng",
        "lat": 39.9247,
        "lon": 116.4075
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 60,
      "website": "https://ra.co/clubs/144139",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Basement venue founded 2016 by experimental musician Zhai Ruixin as the home base of Beijing's underground/experimental music scene.",
          "sources": [
            "https://radii.co/article/beijing-underground-experimental-music-scene-fruityspace",
            "https://link.springer.com/chapter/10.1007/978-981-15-5913-6_15"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent gigs spanning experimental, noise, improv and avant-garde acts.",
          "sources": [
            "https://radii.co/article/beijing-underground-experimental-music-scene-fruityspace",
            "http://pangbianr.com/2016_8_28_fruityspace/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Chinese and international experimental/improv artists (e.g. Li Jianhong) and touring noise musicians.",
          "sources": [
            "http://pangbianr.com/2016_8_28_fruityspace/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly underground and DIY in mission; presents envelope-pushing experimental music.",
          "sources": [
            "https://radii.co/article/beijing-underground-experimental-music-scene-fruityspace"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Owner/artist-run DIY basement, spun off from the fRUITYSHOP vinyl store.",
          "sources": [
            "https://link.springer.com/chapter/10.1007/978-981-15-5913-6_15"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Widely described as the center of Beijing's avant-garde/experimental music community.",
          "sources": [
            "https://radii.co/article/beijing-underground-experimental-music-scene-fruityspace"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Narrow windowless basement with school desks and chairs facing a small stage.",
          "sources": [
            "https://radii.co/article/beijing-underground-experimental-music-scene-fruityspace"
          ]
        }
      },
      "score": 83,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://radii.co/article/beijing-underground-experimental-music-scene-fruityspace",
          "https://link.springer.com/chapter/10.1007/978-981-15-5913-6_15",
          "http://pangbianr.com/2016_8_28_fruityspace/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 403,
          "detail": "HTTP 403"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "cdde006ba45fd00a",
        "crawl_http_status": 403
      },
      "notes": "DIY experimental basement in central Beijing's hutongs (est. 2016), founded by Zhai Ruixin; home base of the city's underground scene.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Basement venue founded 2016 by experimental musician Zhai Ruixin as the home base of Beijing's underground/experimental music scene."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent gigs spanning experimental, noise, improv and avant-garde acts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Chinese and international experimental/improv artists (e.g. Li Jianhong) and touring noise musicians."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly underground and DIY in mission; presents envelope-pushing experimental music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Owner/artist-run DIY basement, spun off from the fRUITYSHOP vinyl store."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Widely described as the center of Beijing's avant-garde/experimental music community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Narrow windowless basement with school desks and chairs facing a small stage."
        }
      ]
    },
    {
      "id": "coaxial-arts-la",
      "name": "Coaxial Arts Foundation",
      "aliases": [
        "Coaxial"
      ],
      "status": "active",
      "location": {
        "address": "1815 S Main St",
        "city": "Los Angeles",
        "region": "CA",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 34.0316,
        "lon": -118.2662
      },
      "type": "diy_space",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://coaxialarts.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Artist-run nonprofit space dedicated to experimental sound, video and performance art, running live events and residencies since 2015.",
          "sources": [
            "https://coaxialarts.org/",
            "https://coaxialarts.org/venue/coaxial-arts/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Regular live events showcasing underground and experimental artists.",
          "sources": [
            "https://coaxialarts.org/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Underground/experimental sound and performance artists whose work is often not shown in commercial galleries.",
          "sources": [
            "https://coaxialarts.org/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly dedicated to experimental video, sound and performance art.",
          "sources": [
            "https://coaxialarts.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run nonprofit collective directed by co-founder Eva Aguila.",
          "sources": [
            "https://evaaguila.com/Coaxial-Arts"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized DTLA experimental space; covered by Hyperallergic.",
          "sources": [
            "https://hyperallergic.com/a-los-angeles-residency-envisions-a-radical-future-for-experimental-art/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Flexible DIY event space for live sound/performance.",
          "sources": [
            "https://coaxialarts.org/"
          ]
        }
      },
      "score": 82,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://coaxialarts.org/",
          "https://evaaguila.com/Coaxial-Arts",
          "https://hyperallergic.com/a-los-angeles-residency-envisions-a-radical-future-for-experimental-art/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "58014384cc6a9b22",
        "crawl_http_status": 200
      },
      "notes": "DTLA artist-run nonprofit dedicated to experimental sound/video/performance; a core node of the LA underground.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Artist-run nonprofit space dedicated to experimental sound, video and performance art, running live events and residencies since 2015."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Regular live events showcasing underground and experimental artists."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Underground/experimental sound and performance artists whose work is often not shown in commercial galleries."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly dedicated to experimental video, sound and performance art."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run nonprofit collective directed by co-founder Eva Aguila."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized DTLA experimental space; covered by Hyperallergic."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Flexible DIY event space for live sound/performance."
        }
      ]
    },
    {
      "id": "fire-museum-presents",
      "name": "Fire Museum Presents",
      "aliases": [
        "Fire Museum"
      ],
      "status": "active",
      "location": {
        "address": "4014 Walnut St (The Rotunda, frequent host site)",
        "city": "Philadelphia",
        "region": "PA",
        "country": "US",
        "neighborhood": "University City",
        "lat": 39.9541,
        "lon": -75.204
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.instagram.com/fire_museum_presents/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Presenting experimental, improvised, and international traditional music since 2001; the organization exists to present adventurous underground music.",
          "sources": [
            "https://whyy.org/articles/fire-museum-presents-philadelphia-music/",
            "https://www.phillyjazzscene.com/philly-jazz-venues-fire-museum-presents"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Curates concerts regularly across Philadelphia in churches, galleries, storefronts, community centers, and the Rotunda.",
          "sources": [
            "https://whyy.org/articles/fire-museum-presents-philadelphia-music/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Books innovative underground artists and improvisers alongside world-folk traditions (e.g. ThingNY, Ominous Cloud Ensemble, Bobby Zankel's Wonderful Sound).",
          "sources": [
            "https://www.broadstreetreview.com/articles/fire-museum-presents-hosts-thingny-and-ominous-cloud-ensemble",
            "https://whyy.org/articles/fire-museum-presents-philadelphia-music/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes mission as \"all music for everybody\" spanning experimental and improvised music; a vital part of Philadelphia's DIY music community.",
          "sources": [
            "https://whyy.org/articles/fire-museum-presents-philadelphia-music/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Became a nonprofit organization in 2023; DIY, founder/director-run (Steven Tobin).",
          "sources": [
            "https://whyy.org/articles/fire-museum-presents-philadelphia-music/",
            "https://www.causeiq.com/organizations/fire-museum-presents,923525897/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Longstanding cornerstone of Philadelphia's DIY and experimental scene (25+ years).",
          "sources": [
            "https://whyy.org/articles/fire-museum-presents-philadelphia-music/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents in varied non-traditional listening spaces rather than a single dedicated room.",
          "sources": [
            "https://whyy.org/articles/fire-museum-presents-philadelphia-music/"
          ]
        }
      },
      "score": 82,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://whyy.org/articles/fire-museum-presents-philadelphia-music/",
          "https://www.phillyjazzscene.com/philly-jazz-venues-fire-museum-presents",
          "https://www.causeiq.com/organizations/fire-museum-presents,923525897/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "391a7884a55923cf",
        "crawl_http_status": 200
      },
      "notes": "Nomadic Philadelphia presenter of experimental/improvised/international music since 2001; most often hosts at the Rotunda on Penn's campus and other non-traditional spaces. Coordinates point to the Rotunda, its most frequent host site.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Presenting experimental, improvised, and international traditional music since 2001; the organization exists to present adventurous underground music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Curates concerts regularly across Philadelphia in churches, galleries, storefronts, community centers, and the Rotunda."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Books innovative underground artists and improvisers alongside world-folk traditions (e.g. ThingNY, Ominous Cloud Ensemble, Bobby Zankel's Wonderful Sound)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes mission as \"all music for everybody\" spanning experimental and improvised music; a vital part of Philadelphia's DIY music community."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Became a nonprofit organization in 2023; DIY, founder/director-run (Steven Tobin)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Longstanding cornerstone of Philadelphia's DIY and experimental scene (25+ years)."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents in varied non-traditional listening spaces rather than a single dedicated room."
        }
      ]
    },
    {
      "id": "kraak-gent",
      "name": "KRAAK",
      "aliases": [
        "KRAAK Festival"
      ],
      "status": "active",
      "location": {
        "city": "Ghent",
        "region": "East Flanders",
        "country": "BE",
        "lat": 51.0543,
        "lon": 3.7174
      },
      "type": "presenter",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://kraak.net/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Nomadic concert organisation and record label supporting experimental and DIY music for over two decades; runs the annual KRAAK Festival.",
          "sources": [
            "https://kraak.net/",
            "https://dutchculture.nl/en/organisation/kraak-festival-brussels"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regularly programs concerts and an annual festival, but as a nomadic organisation it has no fixed venue.",
          "sources": [
            "https://kraak.net/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Books an international lineup of experimental musicians across noise, improv, folk and electronic music.",
          "sources": [
            "https://beursschouwburg.be/en/events/kraak/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "One of Belgium's seminal DIY and experimental labels/organisations, touching noise, punk, improv and more.",
          "sources": [
            "https://www.forcedexposure.com/Labels/KRAAK.BELGIUM.html"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Long-running DIY collective, label and concert organisation.",
          "sources": [
            "https://kraak.net/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "An important institution in Belgium's experimental music scene for 20+ years.",
          "sources": [
            "https://dutchculture.nl/en/organisation/kraak-festival-brussels"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Nomadic; uses varied host venues (e.g. Het Bos, Beursschouwburg) rather than a dedicated listening room.",
          "sources": [
            "https://beursschouwburg.be/en/events/kraak/"
          ]
        }
      },
      "score": 82,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://kraak.net/",
          "https://dutchculture.nl/en/organisation/kraak-festival-brussels"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "13f69d3bbe948862",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: nomadic Belgian DIY organisation/label/festival with no fixed venue; coordinates are Ghent. Confirm current base and festival host venues.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Nomadic concert organisation and record label supporting experimental and DIY music for over two decades; runs the annual KRAAK Festival."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regularly programs concerts and an annual festival, but as a nomadic organisation it has no fixed venue."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Books an international lineup of experimental musicians across noise, improv, folk and electronic music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "One of Belgium's seminal DIY and experimental labels/organisations, touching noise, punk, improv and more."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Long-running DIY collective, label and concert organisation."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "An important institution in Belgium's experimental music scene for 20+ years."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Nomadic; uses varied host venues (e.g. Het Bos, Beursschouwburg) rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "kafe-haerverk-oslo",
      "name": "Kaf\u00e9 H\u00e6rverk",
      "aliases": [
        "Kafe Haerverk"
      ],
      "status": "active",
      "location": {
        "address": "Hausmanns gate 34",
        "city": "Oslo",
        "region": "Oslo",
        "country": "NO",
        "lat": 59.9188,
        "lon": 10.7565
      },
      "type": "bar_club",
      "operating_model": "artist_run",
      "capacity": 120,
      "website": "https://www.kafe-haerverk.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Bar and concert venue for experimental and independent music; improvised music night every other Tuesday; programming spans noise, free jazz, electronic and ambient.",
          "sources": [
            "https://www.kafe-haerverk.com/om",
            "https://monoskop.org/Kaf%C3%A9_H%C3%A6rverk"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Regular concerts, jazz evenings, deep listening sessions and new-music events.",
          "sources": [
            "https://www.kafe-haerverk.com/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Experimental hub hosting free jazz, noise and improvisers; home to the Blow Out improv series.",
          "sources": [
            "https://monoskop.org/Kaf%C3%A9_H%C3%A6rverk",
            "https://www.facebook.com/blowoutoslo/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as a venue for experimental and independent music with improvisation and new music.",
          "sources": [
            "https://www.kafe-haerverk.com/om"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist/scene-run space with its own label H\u00e6rverk Industrier.",
          "sources": [
            "https://www.kafe-haerverk.com/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Cited as a key Oslo listening bar and experimental hub.",
          "sources": [
            "https://www.tracksandtales.co/blogs/cities/oslo-listening-bars-nordic-cool-and-sonic-intensity"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Deep listening sessions through a carefully calibrated system.",
          "sources": [
            "https://www.tracksandtales.co/blogs/cities/oslo-listening-bars-nordic-cool-and-sonic-intensity"
          ]
        }
      },
      "score": 82,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.kafe-haerverk.com/om",
          "https://monoskop.org/Kaf%C3%A9_H%C3%A6rverk",
          "https://www.facebook.com/blowoutoslo/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e4b5446d2b169da1",
        "crawl_http_status": 200
      },
      "notes": "Experimental/independent music bar in central Oslo; hosts the Blow Out improv series and a biweekly improvised music night.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Bar and concert venue for experimental and independent music; improvised music night every other Tuesday; programming spans noise, free jazz, electronic and ambient."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Regular concerts, jazz evenings, deep listening sessions and new-music events."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Experimental hub hosting free jazz, noise and improvisers; home to the Blow Out improv series."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Describes itself as a venue for experimental and independent music with improvisation and new music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist/scene-run space with its own label H\u00e6rverk Industrier."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Cited as a key Oslo listening bar and experimental hub."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Deep listening sessions through a carefully calibrated system."
        }
      ]
    },
    {
      "id": "stadtgarten-cologne",
      "name": "Stadtgarten",
      "aliases": [
        "Stadtgarten K\u00f6ln"
      ],
      "status": "active",
      "location": {
        "address": "Venloer Str. 40",
        "city": "Cologne",
        "region": "North Rhine-Westphalia",
        "country": "DE",
        "neighborhood": "Innenstadt",
        "lat": 50.947,
        "lon": 6.938
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": 400,
      "website": "https://www.stadtgarten.de/en/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Internationally recognized venue for contemporary and improvised music with jazz and contemporary music at the heart of its program; home of the NICA artist-development program.",
          "sources": [
            "https://www.stadtgarten.de/en/stadtgarten/wir-ueber-uns",
            "https://www.europejazz.net/members/stadtgarten-koln"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "More than 400 events annually across three spaces.",
          "sources": [
            "https://www.stadtgarten.de/en/stadtgarten/wir-ueber-uns"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Emphasis on innovative, genre-crossing artists in contemporary jazz and improvised music, though the program is broad.",
          "sources": [
            "https://www.stadtgarten.de/en/stadtgarten/wir-ueber-uns"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes itself as a European centre for jazz and contemporary music.",
          "sources": [
            "https://www.stadtgarten.de/en/stadtgarten/wir-ueber-uns"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit cultural organization.",
          "sources": [
            "https://www.europejazz.net/members/stadtgarten-koln"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Regularly cited in DownBeat; multiple APPLAUS venue-programming awards and German Jazz Award (2022).",
          "sources": [
            "https://www.stadtgarten.de/en/stadtgarten/wir-ueber-uns"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Main concert hall plus Club JAKI and an open-air stage.",
          "sources": [
            "https://www.stadtgarten.de/en/spielstaetten"
          ]
        }
      },
      "score": 82,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.stadtgarten.de/en/stadtgarten/wir-ueber-uns",
          "https://www.europejazz.net/members/stadtgarten-koln"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "eb5f2eb9758859a2",
        "crawl_http_status": 200
      },
      "notes": "Large European centre for jazz and contemporary/improvised music; broad program, 400+ events a year.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Internationally recognized venue for contemporary and improvised music with jazz and contemporary music at the heart of its program; home of the NICA artist-development program."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "More than 400 events annually across three spaces."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Emphasis on innovative, genre-crossing artists in contemporary jazz and improvised music, though the program is broad."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes itself as a European centre for jazz and contemporary music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit cultural organization."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Regularly cited in DownBeat; multiple APPLAUS venue-programming awards and German Jazz Award (2022)."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Main concert hall plus Club JAKI and an open-air stage."
        }
      ]
    },
    {
      "id": "we-jazz-helsinki",
      "name": "We Jazz",
      "aliases": [
        "We Jazz Festival",
        "We Jazz Records"
      ],
      "status": "active",
      "location": {
        "city": "Helsinki",
        "region": "Uusimaa",
        "country": "FI",
        "neighborhood": "Kallio",
        "lat": 60.187,
        "lon": 24.95
      },
      "type": "presenter",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://wejazz.fi/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Music collective spanning a magazine, an annual jazz festival and a record label; the We Jazz Festival is a fixture of Helsinki's adventurous jazz scene.",
          "sources": [
            "https://en.wikipedia.org/wiki/We_Jazz_Records",
            "https://brooklynrail.org/2022/02/music/We-Jazz-Records-and-its-Many-Headed-Helsinki-Hydras/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Organises club events year-round across intimate Helsinki venues plus the annual festival.",
          "sources": [
            "https://brooklynrail.org/2022/02/music/We-Jazz-Records-and-its-Many-Headed-Helsinki-Hydras/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Presents fresh, free-spirited and daringly improvisational Finnish and international jazz.",
          "sources": [
            "https://www.allaboutjazz.com/we-jazz-records-the-finnish-indie-label-changing-the-global-conversation-linda-fredriksson__13374"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Frames itself around adventurous, experimental and improvisational jazz.",
          "sources": [
            "https://downbeat.com/news/detail/helsinkis-we-jazz-label-on-unique-terrain"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist-led collective and label founded by Matti Nives.",
          "sources": [
            "https://en.wikipedia.org/wiki/We_Jazz_Records"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Internationally recognized as a leading force in contemporary/adventurous jazz.",
          "sources": [
            "https://www.jazztimes.com/reviews/live/we-jazz-festival-helsinki-finland/?v=0b3b97fa6688"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Known for matching music to special, usually intimate listening environments.",
          "sources": [
            "https://brooklynrail.org/2022/02/music/We-Jazz-Records-and-its-Many-Headed-Helsinki-Hydras/"
          ]
        }
      },
      "score": 82,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://en.wikipedia.org/wiki/We_Jazz_Records",
          "https://brooklynrail.org/2022/02/music/We-Jazz-Records-and-its-Many-Headed-Helsinki-Hydras/"
        ],
        "needs_human_review": false,
        "url_corrections": [
          {
            "on": "2026-08-17",
            "from": "https://wejazzrecords.com/",
            "to": "https://wejazz.fi/",
            "why": "wejazzrecords.com no longer resolves; wejazz.fi verified live",
            "by": "maintainer:linkcheck-sweep"
          }
        ],
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ae3a4ef34d89577b",
        "crawl_http_status": 200
      },
      "notes": "Collective/festival/label rather than a fixed room; runs the We Jazz Festival and year-round club nights across Helsinki. Coordinates are Kallio (label base) approximate.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Music collective spanning a magazine, an annual jazz festival and a record label; the We Jazz Festival is a fixture of Helsinki's adventurous jazz scene."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Organises club events year-round across intimate Helsinki venues plus the annual festival."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Presents fresh, free-spirited and daringly improvisational Finnish and international jazz."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Frames itself around adventurous, experimental and improvisational jazz."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist-led collective and label founded by Matti Nives."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Internationally recognized as a leading force in contemporary/adventurous jazz."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Known for matching music to special, usually intimate listening environments."
        }
      ]
    },
    {
      "id": "domicil-dortmund",
      "name": "domicil",
      "aliases": [
        "domicil - Forum Jazz & Creative Music"
      ],
      "status": "active",
      "location": {
        "address": "Hansastr. 7-11",
        "city": "Dortmund",
        "region": "North Rhine-Westphalia",
        "country": "DE",
        "neighborhood": "City",
        "lat": 51.5136,
        "lon": 7.4653
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": 500,
      "website": "https://domicil-dortmund.de/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Forum for jazz and creative music since 1969; program ranges from mainstream to improvisation and experimental/avant-garde music.",
          "sources": [
            "https://domicil-dortmund.de/",
            "https://www.europejazz.net/club/jazzclub-domicil-dortmund"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent concerts across a wide contemporary-jazz and avant-garde program.",
          "sources": [
            "https://domicil-dortmund.de/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "International to regional artists, from mainstream to improvisation and experimental music.",
          "sources": [
            "https://miz.org/de/institutionen/domicil-i35537"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Self-described 'Forum Jazz & Creative Music' spanning contemporary jazz, world music and avant-garde.",
          "sources": [
            "https://domicil-dortmund.de/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit cultural forum operating since 1969.",
          "sources": [
            "https://miz.org/de/institutionen/domicil-i35537"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Selected multiple times by DownBeat among the top jazz clubs in the world.",
          "sources": [
            "https://domicil-dortmund.de/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Renovated 1950s cinema with concert halls, restaurant and bar.",
          "sources": [
            "https://domicil-dortmund.de/"
          ]
        }
      },
      "score": 82,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://domicil-dortmund.de/",
          "https://www.europejazz.net/club/jazzclub-domicil-dortmund"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "8ff58d8cf93a7a26",
        "crawl_http_status": 200
      },
      "notes": "Long-running Dortmund forum for jazz and creative music; strong improv/avant strand within a broad program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Forum for jazz and creative music since 1969; program ranges from mainstream to improvisation and experimental/avant-garde music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent concerts across a wide contemporary-jazz and avant-garde program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "International to regional artists, from mainstream to improvisation and experimental music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Self-described 'Forum Jazz & Creative Music' spanning contemporary jazz, world music and avant-garde."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit cultural forum operating since 1969."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Selected multiple times by DownBeat among the top jazz clubs in the world."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Renovated 1950s cinema with concert halls, restaurant and bar."
        }
      ]
    },
    {
      "id": "wasteland-art-share-la",
      "name": "wasteLAnd",
      "aliases": [
        "Wasteland Music"
      ],
      "status": "active",
      "location": {
        "address": "801 E 4th Pl",
        "city": "Los Angeles",
        "region": "CA",
        "country": "US",
        "neighborhood": "Arts District",
        "lat": 34.043,
        "lon": -118.234
      },
      "type": "presenter",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.wastelandmusic.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "A Los Angeles concert series dedicated to avant-garde and experimental music, emphasizing recent and under-performed compositions; presented primarily at Art Share LA in the Arts District.",
          "sources": [
            "https://www.wastelandmusic.org/about",
            "https://www.laphil.com/musicdb/artists/7108/wasteland"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Runs a season of concerts (multiple programs per year), roughly monthly during the season.",
          "sources": [
            "https://www.sequenza21.com/2018/10/wasteland-opens-season-six-in-los-angeles/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Focuses on local performers and living composers of avant-garde/experimental music.",
          "sources": [
            "https://www.wastelandmusic.org/about"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly a series featuring avant-garde and experimental music.",
          "sources": [
            "https://www.wastelandmusic.org/about"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Artist/performer-run concert series committed to expanding LA's contemporary-music offerings.",
          "sources": [
            "https://www.wastelandmusic.org/about"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized LA new-music series covered by Sequenza21 and listed by the LA Phil.",
          "sources": [
            "https://www.laphil.com/musicdb/artists/7108/wasteland"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presented in a relaxed, attentive concert setting at Art Share LA.",
          "sources": [
            "https://www.sequenza21.com/2016/06/wasteland-at-art-share-la/"
          ]
        }
      },
      "score": 82,
      "tier": "committed",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.wastelandmusic.org/about",
          "https://www.laphil.com/musicdb/artists/7108/wasteland",
          "https://www.sequenza21.com/2016/06/wasteland-at-art-share-la/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "008d597938e005df",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: artist-run avant-garde/experimental concert series presented at Art Share LA; confirm current season is active and its home venue in 2026.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "A Los Angeles concert series dedicated to avant-garde and experimental music, emphasizing recent and under-performed compositions; presented primarily at Art Share LA in the Arts District."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Runs a season of concerts (multiple programs per year), roughly monthly during the season."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Focuses on local performers and living composers of avant-garde/experimental music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly a series featuring avant-garde and experimental music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Artist/performer-run concert series committed to expanding LA's contemporary-music offerings."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized LA new-music series covered by Sequenza21 and listed by the LA Phil."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Presented in a relaxed, attentive concert setting at Art Share LA."
        }
      ]
    },
    {
      "id": "namba-bears-osaka",
      "name": "Namba Bears",
      "aliases": [
        "Bears",
        "\u30e9\u30a4\u30d6\u30cf\u30a6\u30b9\u30fb\u30d9\u30a2\u30fc\u30ba"
      ],
      "status": "active",
      "location": {
        "address": "3-9-2 Nanba-naka, Naniwa-ku",
        "city": "Osaka",
        "region": "Osaka",
        "country": "JP",
        "neighborhood": "Namba",
        "lat": 34.6588,
        "lon": 135.5028
      },
      "type": "diy_space",
      "operating_model": "artist_run",
      "capacity": 100,
      "website": "https://namba-bears.main.jp/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Live house open since 1986 championing nonconformist Osaka sounds; a go-to for the free-form and improvised, band-driven Kansai underground.",
          "sources": [
            "https://www.timeout.com/osaka/music/namba-bears",
            "https://www.osaka.com/culture/osakas-best-live-music-venues-underground-scene-guide/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent gigs with a widely open-ended, curator-driven program.",
          "sources": [
            "https://www.timeout.com/osaka/music/namba-bears"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Experimental, noise, free-form and improvised acts; founded by Seiichi Yamamoto (Boredoms).",
          "sources": [
            "https://www.timeout.com/osaka/music/namba-bears",
            "https://www.thewire.co.uk/audio/tracks/global-ear-osaka"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "No-frills experimental live house with an open-ended, community-curated program.",
          "sources": [
            "https://www.fredperry.com/us/subculture/articles/namba-bears-osaka"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run/DIY; BYOB, no bar, staff are active tastemakers releasing their own compilations.",
          "sources": [
            "https://www.timeout.com/osaka/music/namba-bears"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Nearly four decades as a cornerstone of Osaka's underground/experimental scene.",
          "sources": [
            "https://www.fredperry.com/us/subculture/articles/namba-bears-osaka"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Loud, stripped-back room (earplugs recommended) rather than a quiet seated listening space.",
          "sources": [
            "https://www.timeout.com/osaka/music/namba-bears"
          ]
        }
      },
      "score": 81,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.timeout.com/osaka/music/namba-bears",
          "https://www.fredperry.com/us/subculture/articles/namba-bears-osaka",
          "https://www.osaka.com/culture/osakas-best-live-music-venues-underground-scene-guide/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e7a481190043876a",
        "crawl_http_status": 200
      },
      "notes": "DIY experimental/noise/free-form live house in Namba (est. 1986), founded by Seiichi Yamamoto of Boredoms.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Live house open since 1986 championing nonconformist Osaka sounds; a go-to for the free-form and improvised, band-driven Kansai underground."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent gigs with a widely open-ended, curator-driven program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Experimental, noise, free-form and improvised acts; founded by Seiichi Yamamoto (Boredoms)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "No-frills experimental live house with an open-ended, community-curated program."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run/DIY; BYOB, no bar, staff are active tastemakers releasing their own compilations."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Nearly four decades as a cornerstone of Osaka's underground/experimental scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Loud, stripped-back room (earplugs recommended) rather than a quiet seated listening space."
        }
      ]
    },
    {
      "id": "outpost-performance-space-albuquerque",
      "name": "Outpost Performance Space",
      "aliases": [
        "The Outpost",
        "Outpost Productions"
      ],
      "status": "active",
      "location": {
        "address": "210 Yale Blvd SE",
        "city": "Albuquerque",
        "region": "NM",
        "country": "US",
        "lat": 35.0731,
        "lon": -106.6197
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://outpostspace.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Nonprofit performing-arts center presenting an eclectic mix from jazz to experimental; runs long-standing series (Music Under the Stars, Summer Thursday Jazz Nights) and the New Mexico Jazz Festival, with a strong creative/improvised strand.",
          "sources": [
            "https://outpostspace.org/",
            "https://outpostspace.org/about-us/outpost-story/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Presents over 100 shows a year - jazz, experimental, folk, international, spoken word and more.",
          "sources": [
            "https://outpostspace.org/about-us/outpost-story/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books recognized jazz and experimental/improvising artists within a broad program.",
          "sources": [
            "https://outpostspace.org/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Founded to offer an intimate home for a uniquely eclectic mix ranging from jazz to experimental to international and roots.",
          "sources": [
            "https://outpostspace.org/about-us/outpost-story/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "501(c)(3) nonprofit (Outpost Productions), founded 1988; member-supported and community-based. Merged with the New Mexico Jazz Workshop in 2026.",
          "sources": [
            "https://outpostspace.org/about-us/outpost-story/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "The recognized cornerstone for creative jazz and improvised music in New Mexico for over three decades.",
          "sources": [
            "https://www.newmexico.org/listing/outpost/258/"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Intimate, alcohol- and smoke-free, seated listening space.",
          "sources": [
            "https://outpostspace.org/about-us/outpost-story/"
          ]
        }
      },
      "score": 81,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://outpostspace.org/",
          "https://outpostspace.org/about-us/outpost-story/",
          "https://www.newmexico.org/listing/outpost/258/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "a96704a2bf65b262",
        "crawl_http_status": 200
      },
      "notes": "Albuquerque's cornerstone nonprofit listening room; 100+ shows/year spanning jazz to experimental, with a dedicated alcohol-free attentive-listening ethos.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Nonprofit performing-arts center presenting an eclectic mix from jazz to experimental; runs long-standing series (Music Under the Stars, Summer Thursday Jazz Nights) and the New Mexico Jazz Festival, with a strong creative/improvised strand."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Presents over 100 shows a year - jazz, experimental, folk, international, spoken word and more."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Books recognized jazz and experimental/improvising artists within a broad program."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Founded to offer an intimate home for a uniquely eclectic mix ranging from jazz to experimental to international and roots."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "501(c)(3) nonprofit (Outpost Productions), founded 1988; member-supported and community-based. Merged with the New Mexico Jazz Workshop in 2026."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "The recognized cornerstone for creative jazz and improvised music in New Mexico for over three decades."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Intimate, alcohol- and smoke-free, seated listening space."
        }
      ]
    },
    {
      "id": "the-cooler-dublin",
      "name": "The Cooler (Improvised Music Company)",
      "aliases": [
        "The Cooler",
        "IMC at The Complex"
      ],
      "status": "active",
      "location": {
        "address": "Little Green St (The Complex)",
        "city": "Dublin",
        "region": "Leinster",
        "country": "IE",
        "neighborhood": "Smithfield",
        "lat": 53.348,
        "lon": -6.274
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.improvisedmusic.ie/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "A collaboration between the Improvised Music Company and arts venue The Complex, giving jazz/creative improvising artists a self-managed space to develop collaborative work.",
          "sources": [
            "https://www.improvisedmusic.ie/whats-happening/events/smithfield-sessions",
            "https://imro.ie/industry-news/a-new-venue-for-jazz-improvised-music-in-dublin-opening-this-month/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Hosts the Smithfield Sessions and Create at The Cooler artist-support programme with regular improvised-music events.",
          "sources": [
            "https://www.improvisedmusic.ie/whats-happening/events/smithfield-sessions"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Dedicated to jazz and creative improvising artists developing new collaborative work.",
          "sources": [
            "https://imro.ie/industry-news/a-new-venue-for-jazz-improvised-music-in-dublin-opening-this-month/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "A self-managed, community-driven space for jazz/creative improvising artists.",
          "sources": [
            "https://imro.ie/industry-news/a-new-venue-for-jazz-improvised-music-in-dublin-opening-this-month/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Run by the nonprofit Improvised Music Company, Ireland's national jazz/improv resource organisation.",
          "sources": [
            "https://www.improvisedmusic.ie/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A landmark new Dublin home for jazz and improvised music, covered by IMRO and the Journal of Music.",
          "sources": [
            "https://journalofmusic.com/news/improvised-music-company-launches-rehearsal-space-dublin-city"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Dedicated creative-music space within The Complex arts venue.",
          "sources": [
            "https://imro.ie/industry-news/a-new-venue-for-jazz-improvised-music-in-dublin-opening-this-month/"
          ]
        }
      },
      "score": 81,
      "tier": "committed",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.improvisedmusic.ie/",
          "https://imro.ie/industry-news/a-new-venue-for-jazz-improvised-music-in-dublin-opening-this-month/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "0ccc6009bc4cecb3",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: relatively new IMC space at The Complex in Smithfield; confirm exact address, coordinates and 2026 programming cadence.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "A collaboration between the Improvised Music Company and arts venue The Complex, giving jazz/creative improvising artists a self-managed space to develop collaborative work."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Hosts the Smithfield Sessions and Create at The Cooler artist-support programme with regular improvised-music events."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Dedicated to jazz and creative improvising artists developing new collaborative work."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "A self-managed, community-driven space for jazz/creative improvising artists."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Run by the nonprofit Improvised Music Company, Ireland's national jazz/improv resource organisation."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "A landmark new Dublin home for jazz and improvised music, covered by IMRO and the Journal of Music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Dedicated creative-music space within The Complex arts venue."
        }
      ]
    },
    {
      "id": "the-dmv-denver",
      "name": "The Denver Music Venue",
      "aliases": [
        "The DMV",
        "Denver Music Venue"
      ],
      "status": "active",
      "location": {
        "city": "Denver",
        "region": "CO",
        "country": "US",
        "neighborhood": "Elyria-Swansea",
        "lat": 39.783,
        "lon": -104.96
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://linktr.ee/denvermusicvenue",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Queer-run warehouse space opened in 2025 as a home for experimental music; relaunched Denver Noise Fest in October 2025 with harsh noise, drone, sound collage and freak folk.",
          "sources": [
            "https://denverite.com/2026/06/11/denvers-diy-scene-noise-music-the-dmv/",
            "https://denverite.com/2026/05/28/denver-diy-noise-fest-2026/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Regular DIY experimental/noise shows across the calendar since opening.",
          "sources": [
            "https://denverite.com/2026/06/11/denvers-diy-scene-noise-music-the-dmv/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Local and out-of-state experimental/noise artists across many microgenres.",
          "sources": [
            "https://denverite.com/2026/05/28/denver-diy-noise-fest-2026/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly a space for experimental music; described as the \"spiritual successor\" of Rhinoceropolis.",
          "sources": [
            "https://denverite.com/2026/06/11/denvers-diy-scene-noise-music-the-dmv/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Queer-run, DIY warehouse (a former grow facility/rave space) run collectively.",
          "sources": [
            "https://denverite.com/2026/06/11/denvers-diy-scene-noise-music-the-dmv/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Positioned in Denver press as the successor to Rhinoceropolis and a new hub for the DIY/experimental scene.",
          "sources": [
            "https://denverite.com/2026/05/28/denver-diy-noise-fest-2026/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Warehouse show space rather than a seated listening room.",
          "sources": [
            "https://denverite.com/2026/06/11/denvers-diy-scene-noise-music-the-dmv/"
          ]
        }
      },
      "score": 81,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://denverite.com/2026/06/11/denvers-diy-scene-noise-music-the-dmv/",
          "https://denverite.com/2026/05/28/denver-diy-noise-fest-2026/",
          "https://linktr.ee/denvermusicvenue"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "4b9057f3f3898374",
        "crawl_http_status": 200
      },
      "notes": "New (2025) queer-run DIY warehouse for experimental/noise music in Elyria-Swansea; host of the revived Denver Noise Fest. Exact street address not published, so coordinates are neighborhood-level.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Queer-run warehouse space opened in 2025 as a home for experimental music; relaunched Denver Noise Fest in October 2025 with harsh noise, drone, sound collage and freak folk."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Regular DIY experimental/noise shows across the calendar since opening."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Local and out-of-state experimental/noise artists across many microgenres."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly a space for experimental music; described as the \"spiritual successor\" of Rhinoceropolis."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Queer-run, DIY warehouse (a former grow facility/rave space) run collectively."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Positioned in Denver press as the successor to Rhinoceropolis and a new hub for the DIY/experimental scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Warehouse show space rather than a seated listening room."
        }
      ]
    },
    {
      "id": "zaal-100-amsterdam",
      "name": "Zaal 100",
      "aliases": [
        "Podium voor Ongehoord Geluid"
      ],
      "status": "active",
      "location": {
        "address": "De Wittenstraat 100",
        "city": "Amsterdam",
        "region": "Noord-Holland",
        "country": "NL",
        "neighborhood": "Staatsliedenbuurt",
        "lat": 52.382,
        "lon": 4.873
      },
      "type": "dedicated_space",
      "operating_model": "diy_collective",
      "capacity": 80,
      "website": "https://muziekladder.nl/en/locaties/zaal100",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "An Amsterdam institution for free improv and creative music; every Tuesday improvisers gather to play in new and old combinations.",
          "sources": [
            "https://www.europejazz.net/club/zaal-100",
            "https://annelaberge.com/zaal-100-improv-in-amsterdam/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Weekly Tuesday improv/jazz cafe plus other concerts and events.",
          "sources": [
            "https://annelaberge.com/zaal-100-improv-in-amsterdam/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Seasoned free improvisers play intimate two-hour sets; a hub for the Amsterdam improv community.",
          "sources": [
            "https://annelaberge.com/zaal-100-improv-in-amsterdam/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Styled as a Platform for Unheard Sound (Podium voor Ongehoord Geluid).",
          "sources": [
            "https://www.iamsterdam.com/en/whats-on/calendar/theatre-and-stage/stage/zaal-100"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer-run neighbourhood cultural centre with a living-room, DIY ethos.",
          "sources": [
            "https://annelaberge.com/zaal-100-improv-in-amsterdam/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Listed by the Europe Jazz Network and long known as an Amsterdam improv institution.",
          "sources": [
            "https://www.europejazz.net/club/zaal-100"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Relaxed living-room-style room that encourages conversation between sets.",
          "sources": [
            "https://annelaberge.com/zaal-100-improv-in-amsterdam/"
          ]
        }
      },
      "score": 81,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.europejazz.net/club/zaal-100",
          "https://annelaberge.com/zaal-100-improv-in-amsterdam/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "67f4188c2ec1164c",
        "crawl_http_status": 200
      },
      "notes": "Volunteer-run Amsterdam institution with a weekly Tuesday free-improv night.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "An Amsterdam institution for free improv and creative music; every Tuesday improvisers gather to play in new and old combinations."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Weekly Tuesday improv/jazz cafe plus other concerts and events."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Seasoned free improvisers play intimate two-hour sets; a hub for the Amsterdam improv community."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Styled as a Platform for Unheard Sound (Podium voor Ongehoord Geluid)."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer-run neighbourhood cultural centre with a living-room, DIY ethos."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Listed by the Europe Jazz Network and long known as an Amsterdam improv institution."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Relaxed living-room-style room that encourages conversation between sets."
        }
      ]
    },
    {
      "id": "avant-vespers-provo",
      "name": "Avant Vespers",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Provo",
        "region": "UT",
        "country": "US",
        "neighborhood": "St. Mary's Episcopal Church",
        "lat": 40.236,
        "lon": -111.662
      },
      "type": "presenter",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.cityweekly.net/music/avant-garde-for-all-12567817/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "A monthly DIY series of experimental performances - outsider jazz, experimental classical, spoken-word poetry - curated by composer Christian Asplund, begun June 2018 at St. Mary's Episcopal Church.",
          "sources": [
            "https://www.cityweekly.net/utah/avant-garde-for-all/Content?oid=12567817"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Monthly series.",
          "sources": [
            "https://www.cityweekly.net/utah/avant-garde-for-all/Content?oid=12567817"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Outsider jazz and experimental-classical performers pushing boundaries; programmed by a composer.",
          "sources": [
            "https://www.cityweekly.net/utah/avant-garde-for-all/Content?oid=12567817"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly about pushing boundaries and shaking up the staid atmosphere of classical music in an inclusive, populist space.",
          "sources": [
            "https://www.cityweekly.net/utah/avant-garde-for-all/Content?oid=12567817"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "DIY, self-produced by Asplund in a church space (not commercial).",
          "sources": [
            "https://www.cityweekly.net/utah/avant-garde-for-all/Content?oid=12567817"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Covered by Salt Lake City Weekly as the area's outlet for avant-garde/experimental performance.",
          "sources": [
            "https://www.cityweekly.net/utah/avant-garde-for-all/Content?oid=12567817"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Attentive, seated church-vespers concert format.",
          "sources": [
            "https://www.cityweekly.net/utah/avant-garde-for-all/Content?oid=12567817"
          ]
        }
      },
      "score": 80,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.cityweekly.net/music/avant-garde-for-all-12567817/"
        ],
        "needs_human_review": true,
        "url_corrections": [
          {
            "on": "2026-08-17",
            "from": "https://www.cityweekly.net/utah/avant-garde-for-all/Content?oid=12567817",
            "to": "https://www.cityweekly.net/music/avant-garde-for-all-12567817/",
            "why": "source article moved; followed the publisher's 308 redirect to the canonical URL",
            "by": "maintainer:linkcheck-sweep"
          }
        ],
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "c044567f5fccb0a7",
        "crawl_http_status": 403
      },
      "notes": "Monthly experimental/outsider-jazz series (est. 2018) in the Salt Lake/Provo area, curated by composer Christian Asplund at St. Mary's Episcopal Church. Verified via a single City Weekly feature; current-season status should be reconfirmed.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "A monthly DIY series of experimental performances - outsider jazz, experimental classical, spoken-word poetry - curated by composer Christian Asplund, begun June 2018 at St. Mary's Episcopal Church."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Monthly series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Outsider jazz and experimental-classical performers pushing boundaries; programmed by a composer."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly about pushing boundaries and shaking up the staid atmosphere of classical music in an inclusive, populist space."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "DIY, self-produced by Asplund in a church space (not commercial)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Covered by Salt Lake City Weekly as the area's outlet for avant-garde/experimental performance."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Attentive, seated church-vespers concert format."
        }
      ]
    },
    {
      "id": "counterflows-glasgow",
      "name": "Counterflows Festival",
      "aliases": [
        "Counterflows"
      ],
      "status": "active",
      "location": {
        "city": "Glasgow",
        "region": "Scotland",
        "country": "GB",
        "lat": 55.8642,
        "lon": -4.2518
      },
      "type": "festival",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://counterflows.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Scotland's longest-running festival of experimental and marginal music, dedicated to challenging and thought-provoking work.",
          "sources": [
            "https://counterflows.com/about/"
          ]
        },
        "show_frequency": {
          "value": 1,
          "evidence": "Annual four-day festival across multiple Glasgow venues (Civic House, The Art School, University Chapel).",
          "sources": [
            "https://counterflows.com/",
            "https://ra.co/news/84278"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Programs a carefully curated selection of local and international experimental and improvising artists.",
          "sources": [
            "https://counterflows.com/about/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Celebrates experimental music and supports marginal music practice.",
          "sources": [
            "https://counterflows.com/about/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit festival with bursary and youth Music Space initiatives.",
          "sources": [
            "https://counterflows.com/about/"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Internationally acclaimed; reviewed annually by The Skinny and covered by Resident Advisor.",
          "sources": [
            "https://www.theskinny.co.uk/music/live-music/reviews/counterflows-2026-the-report"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Uses a mix of seated concert halls and standing/club spaces.",
          "sources": [
            "https://ra.co/events/2298867"
          ]
        }
      },
      "score": 80,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://counterflows.com/about/",
          "https://ra.co/news/84278"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 403,
          "detail": "HTTP 403"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "34dfef0084d975d4",
        "crawl_http_status": 403
      },
      "notes": "NEEDS REVIEW: annual festival, not a fixed venue; coordinates are Glasgow city-centre. Uses multiple venues each spring.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Scotland's longest-running festival of experimental and marginal music, dedicated to challenging and thought-provoking work."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 1.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 20,
          "evidence": "Annual four-day festival across multiple Glasgow venues (Civic House, The Art School, University Chapel)."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Programs a carefully curated selection of local and international experimental and improvising artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Celebrates experimental music and supports marginal music practice."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit festival with bursary and youth Music Space initiatives."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Internationally acclaimed; reviewed annually by The Skinny and covered by Resident Advisor."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Uses a mix of seated concert halls and standing/club spaces."
        }
      ]
    },
    {
      "id": "emit-series-st-petersburg",
      "name": "EMIT Series",
      "aliases": [
        "EMIT",
        "Electroacoustic Music In Transition"
      ],
      "status": "active",
      "location": {
        "address": "620 31st St N (org base); presents at the Palladium, Dali Museum, St. Petersburg College",
        "city": "St. Petersburg",
        "region": "FL",
        "country": "US",
        "neighborhood": "citywide",
        "lat": 27.7825,
        "lon": -82.669
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://emitseries.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Nonprofit series dedicated to presenting adventurous music - new classical, modern jazz, improvisation, electronics, and interdisciplinary sound art - for 22+ years.",
          "sources": [
            "https://emitseries.org/about-us",
            "https://davidmanson.net/emit"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "450+ events over its history; presents a recurring season across Tampa Bay venues.",
          "sources": [
            "https://davidmanson.net/emit",
            "https://emitseries.org/events-upcoming-past"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs free jazz, improvisation, and new-music artists (e.g. Dutch vocal improviser Jaap Blonk with local improvisers).",
          "sources": [
            "https://davidmanson.net/emit",
            "https://emitseries.org/past-events"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "\"The EMIT series is dedicated to the presentation of adventurous music.\"",
          "sources": [
            "https://emitseries.org/about-us"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Registered 501(c)(3) nonprofit directed by trombonist/composer David Manson; pays musicians (does not ask them to play for free).",
          "sources": [
            "https://emitseries.org/about-us"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "A 20+ year cornerstone of adventurous music in the Tampa Bay area.",
          "sources": [
            "https://davidmanson.net/emit"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presents in concert settings (Palladium Theater, Dali Museum) built for attentive listening.",
          "sources": [
            "https://emitseries.org/about-us"
          ]
        }
      },
      "score": 80,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://emitseries.org/about-us",
          "https://davidmanson.net/emit",
          "https://emitseries.org/events-upcoming-past"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "2651e55b88a70c61",
        "crawl_http_status": 200
      },
      "notes": "St. Petersburg nonprofit presenter (director David Manson) of adventurous music including improvisation and free jazz; nomadic across Tampa Bay venues.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Nonprofit series dedicated to presenting adventurous music - new classical, modern jazz, improvisation, electronics, and interdisciplinary sound art - for 22+ years."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "450+ events over its history; presents a recurring season across Tampa Bay venues."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs free jazz, improvisation, and new-music artists (e.g. Dutch vocal improviser Jaap Blonk with local improvisers)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "\"The EMIT series is dedicated to the presentation of adventurous music.\""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Registered 501(c)(3) nonprofit directed by trombonist/composer David Manson; pays musicians (does not ask them to play for free)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "A 20+ year cornerstone of adventurous music in the Tampa Bay area."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Presents in concert settings (Palladium Theater, Dali Museum) built for attentive listening."
        }
      ]
    },
    {
      "id": "morphine-raum-berlin",
      "name": "Morphine Raum",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "K\u00f6penicker Str. 147",
        "city": "Berlin",
        "region": "Berlin",
        "country": "DE",
        "neighborhood": "Kreuzberg",
        "lat": 52.5024,
        "lon": 13.434
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": 80,
      "website": "https://www.morphinerecords.com/raum",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Since 2020 one of Berlin's most exciting venues for contemporary and experimental music; a studio/stage hybrid run by Morphine Records.",
          "sources": [
            "https://www.morphinerecords.com/raum",
            "https://field-notes.berlin/en/magazine/morphine-raum"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular concerts and presentations of experimental and improvised music.",
          "sources": [
            "https://ra.co/clubs/220340"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Local Echtzeit and experimental musicians alongside international artists; CTM collaborations.",
          "sources": [
            "https://field-notes.berlin/en/magazine/morphine-raum"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Genre-boundary-ignoring project space for sound works and presentations.",
          "sources": [
            "https://www.morphinerecords.com/raum"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Run by musician/producer and label owner Rabih Beaini (Morphine Records).",
          "sources": [
            "https://field-notes.berlin/en/magazine/morphine-raum"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Noted in guides to Berlin's experimental music scene.",
          "sources": [
            "https://www.zensounds.de/p/berlin"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Open-room studio/stage with high-quality sound; no fixed audience/performer boundary.",
          "sources": [
            "https://www.morphinerecords.com/raum"
          ]
        }
      },
      "score": 80,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.morphinerecords.com/raum",
          "https://field-notes.berlin/en/magazine/morphine-raum"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "5b062495f85d6762",
        "crawl_http_status": 200
      },
      "notes": "Kreuzberg studio/stage hybrid run by Morphine Records for experimental and improvised music since 2020.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Since 2020 one of Berlin's most exciting venues for contemporary and experimental music; a studio/stage hybrid run by Morphine Records."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular concerts and presentations of experimental and improvised music."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Local Echtzeit and experimental musicians alongside international artists; CTM collaborations."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Genre-boundary-ignoring project space for sound works and presentations."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Run by musician/producer and label owner Rabih Beaini (Morphine Records)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Noted in guides to Berlin's experimental music scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Open-room studio/stage with high-quality sound; no fixed audience/performer boundary."
        }
      ]
    },
    {
      "id": "seattle-jazz-fellowship",
      "name": "Seattle Jazz Fellowship",
      "aliases": [
        "Jazz Night in Pioneer Square"
      ],
      "status": "active",
      "location": {
        "address": "109 S Main St",
        "city": "Seattle",
        "region": "WA",
        "country": "US",
        "neighborhood": "Pioneer Square",
        "lat": 47.6003,
        "lon": -122.3336
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://seattlejazzfellowship.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Dedicated jazz room in the historic Globe Building; runs regular Jazz Night programming plus a Monday jam that features free improvisation (e.g. the chord-less quartet Free Fall).",
          "sources": [
            "https://seattlejazzfellowship.org/jazz-night",
            "https://www.knkx.org/jazz/2024-01-26/seattle-jazz-fellowship-pioneer-square-pop-up-new-venue-globe-building"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Multiple nights of jazz each week including a weekly Monday jam.",
          "sources": [
            "https://seattlejazzfellowship.org/events"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Local jazz talent with a mentorship mission; regular free-improvisation sets.",
          "sources": [
            "https://seattlejazzfellowship.org/jazz-night"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Nonprofit fostering frequent gatherings of local jazz talent and lowering barriers for performers and listeners.",
          "sources": [
            "https://seattlejazzfellowship.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit organization with a mentorship and fair-compensation mission.",
          "sources": [
            "https://seattlejazzfellowship.org/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Widely covered as a significant new home for the Seattle jazz scene.",
          "sources": [
            "https://www.knkx.org/jazz/2024-01-26/seattle-jazz-fellowship-pioneer-square-pop-up-new-venue-globe-building",
            "https://pioneersquare.org/businesses/seattle-jazz-fellowship/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Dedicated seated jazz venue in the Globe Building (former Cafe Nordo dinner theater).",
          "sources": [
            "https://www.knkx.org/jazz/2024-01-26/seattle-jazz-fellowship-pioneer-square-pop-up-new-venue-globe-building"
          ]
        }
      },
      "score": 80,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://seattlejazzfellowship.org/",
          "https://seattlejazzfellowship.org/jazz-night",
          "https://www.knkx.org/jazz/2024-01-26/seattle-jazz-fellowship-pioneer-square-pop-up-new-venue-globe-building"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "8f7bf8bb96409a5a",
        "crawl_http_status": 200
      },
      "notes": "Nonprofit jazz room in Pioneer Square's Globe Building since early 2024. Leans jazz-forward but hosts regular free-improvisation sets.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Dedicated jazz room in the historic Globe Building; runs regular Jazz Night programming plus a Monday jam that features free improvisation (e.g. the chord-less quartet Free Fall)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Multiple nights of jazz each week including a weekly Monday jam."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Local jazz talent with a mentorship mission; regular free-improvisation sets."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Nonprofit fostering frequent gatherings of local jazz talent and lowering barriers for performers and listeners."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit organization with a mentorship and fair-compensation mission."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Widely covered as a significant new home for the Seattle jazz scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Dedicated seated jazz venue in the Globe Building (former Cafe Nordo dinner theater)."
        }
      ]
    },
    {
      "id": "ochiai-soup-tokyo",
      "name": "Soup",
      "aliases": [
        "Ochiai Soup",
        "ochiai soup"
      ],
      "status": "active",
      "location": {
        "address": "Nakaochiai, Shinjuku-ku (basement below a public bath)",
        "city": "Tokyo",
        "region": "Tokyo",
        "country": "JP",
        "neighborhood": "Ochiai",
        "lat": 35.713,
        "lon": 139.687
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": 80,
      "website": "https://ochiaisoup.bandcamp.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Independent venue run by electronic musician Nobuki Nishiyama devoted to experimental music (drone, noise, improv, techno).",
          "sources": [
            "https://ra.co/clubs/36596",
            "https://japanvibe.net/soup/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent experimental gigs; acoustics calibrated for drone/noise/improv.",
          "sources": [
            "https://www.timeout.com/tokyo/music/soup"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "A who's-who of the Japanese noise and experimental scene, documented via its pandemic-era Bandcamp live releases.",
          "sources": [
            "https://japanvibe.net/soup/",
            "https://ochiaisoup.bandcamp.com/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Known for hosting mostly experimental acts; identifies as an experimental music venue.",
          "sources": [
            "https://www.timeout.com/tokyo/music/soup"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent, musician-run event space in a basement beneath a sento.",
          "sources": [
            "https://japanvibe.net/soup/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "A key node of Tokyo's noise/experimental community.",
          "sources": [
            "https://japanvibe.net/soup/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate basement built for immersive, attentive experimental sets.",
          "sources": [
            "https://www.timeout.com/tokyo/music/soup"
          ]
        }
      },
      "score": 80,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://ra.co/clubs/36596",
          "https://japanvibe.net/soup/",
          "https://www.timeout.com/tokyo/music/soup"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "4c732258f77c9b3d",
        "crawl_http_status": 200
      },
      "notes": "Basement experimental venue in Ochiai run by musician Nobuki Nishiyama; drone, noise and improvised music.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Independent venue run by electronic musician Nobuki Nishiyama devoted to experimental music (drone, noise, improv, techno)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent experimental gigs; acoustics calibrated for drone/noise/improv."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "A who's-who of the Japanese noise and experimental scene, documented via its pandemic-era Bandcamp live releases."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Known for hosting mostly experimental acts; identifies as an experimental music venue."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent, musician-run event space in a basement beneath a sento."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "A key node of Tokyo's noise/experimental community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate basement built for immersive, attentive experimental sets."
        }
      ]
    },
    {
      "id": "catalytic-sound-festival-asheville",
      "name": "Catalytic Sound Festival (Asheville)",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "various Asheville venues (Black Mountain College Museum + Arts Center, etc.)",
        "city": "Asheville",
        "region": "NC",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 35.5954,
        "lon": -82.551
      },
      "type": "festival",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/",
      "active_this_year": false,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Asheville edition of the Catalytic Sound Festival, a festival of experimental and improvised music curated by guitarist Tashi Dorji.",
          "sources": [
            "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
          ]
        },
        "show_frequency": {
          "value": 1,
          "evidence": "Festival format (multi-day, annual at most); Asheville edition documented for 2022.",
          "sources": [
            "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Draws on the Catalytic Sound co-operative's pool of experimental/improvising musicians plus touring artists, with a focus on BIPOC artists.",
          "sources": [
            "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly a showcase for experimental and improvised music \"disrupting the old with new.\"",
          "sources": [
            "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Catalytic Sound is a musician-owned co-operative formed in 2015; festival supported by local partners (Black Mountain College Museum, Static Age Records, Harvest Records).",
          "sources": [
            "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Part of the internationally networked Catalytic Sound co-operative.",
          "sources": [
            "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presented across galleries/venues rather than a single listening room.",
          "sources": [
            "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
          ]
        }
      },
      "score": 79,
      "tier": "committed",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "814d6fa8e6292dde",
        "crawl_http_status": 200
      },
      "notes": "Asheville edition of the Catalytic Sound Festival (curated by Tashi Dorji). Only the 2022 edition is confirmed via web search; recurrence and current-year status need human review.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Asheville edition of the Catalytic Sound Festival, a festival of experimental and improvised music curated by guitarist Tashi Dorji."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 1.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 20,
          "evidence": "Festival format (multi-day, annual at most); Asheville edition documented for 2022."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Draws on the Catalytic Sound co-operative's pool of experimental/improvising musicians plus touring artists, with a focus on BIPOC artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly a showcase for experimental and improvised music \"disrupting the old with new.\""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Catalytic Sound is a musician-owned co-operative formed in 2015; festival supported by local partners (Black Mountain College Museum, Static Age Records, Harvest Records)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Part of the internationally networked Catalytic Sound co-operative."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presented across galleries/venues rather than a single listening room."
        }
      ]
    },
    {
      "id": "church-of-the-friendly-ghost-austin",
      "name": "Church of the Friendly Ghost",
      "aliases": [
        "COTFG",
        "NMASS"
      ],
      "status": "active",
      "location": {
        "city": "Austin",
        "region": "TX",
        "country": "US",
        "neighborhood": "East Austin",
        "lat": 30.2606,
        "lon": -97.718
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.cotfg.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Volunteer-run collective presenting adventurous, improvised, experimental, noise and jazz concerts since 2003; organizes the annual New Media Art and Sound Summit (NMASS).",
          "sources": [
            "https://nowplayingaustin.com/organization/church-of-the-friendly-ghost/",
            "https://newmusicusa.org/nmbx/austin-summer-festivals-business-as-unusual/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Has presented hundreds of concerts, workshops and film screenings; regular but not weekly events plus the NMASS festival.",
          "sources": [
            "https://nowplayingaustin.com/organization/church-of-the-friendly-ghost/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs cutting-edge improvisers and experimental/noise artists.",
          "sources": [
            "https://www.austinchronicle.com/daily/music/2015-06-09/new-media-sound-and-art-summit-weirds-out/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-describes as supporting creative, adventurous, improvised, experimental, noise, jazz and related cutting-edge music and performance.",
          "sources": [
            "https://nowplayingaustin.com/organization/church-of-the-friendly-ghost/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer-run 501(c)(3) nonprofit arts organization founded 2003.",
          "sources": [
            "https://www.gudsy.org/nonprofits/church-of-the-friendly-ghost-austin-tx"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-standing pillar of Austin's experimental scene; NMASS covered by CultureMap, Austin Chronicle and New Music USA.",
          "sources": [
            "https://austin.culturemap.com/news/arts/06-11-13-church-of-the-friendly-ghost-celebrates-its-tenth-birthday-with-an-interactive-music-festival"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents in various rooms; attentive concert settings for the featured series.",
          "sources": [
            "https://nowplayingaustin.com/organization/church-of-the-friendly-ghost/"
          ]
        }
      },
      "score": 79,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.cotfg.org/",
          "https://nowplayingaustin.com/organization/church-of-the-friendly-ghost/",
          "https://newmusicusa.org/nmbx/austin-summer-festivals-business-as-unusual/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e679a20afc72f8ee",
        "crawl_http_status": 200
      },
      "notes": "Roaming volunteer-run presenter (coordinates approximate to its original East Austin base); organizer of the New Media Art and Sound Summit.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Volunteer-run collective presenting adventurous, improvised, experimental, noise and jazz concerts since 2003; organizes the annual New Media Art and Sound Summit (NMASS)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Has presented hundreds of concerts, workshops and film screenings; regular but not weekly events plus the NMASS festival."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs cutting-edge improvisers and experimental/noise artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Self-describes as supporting creative, adventurous, improvised, experimental, noise, jazz and related cutting-edge music and performance."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer-run 501(c)(3) nonprofit arts organization founded 2003."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Long-standing pillar of Austin's experimental scene; NMASS covered by CultureMap, Austin Chronicle and New Music USA."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents in various rooms; attentive concert settings for the featured series."
        }
      ]
    },
    {
      "id": "jazztopad-festival-wroclaw",
      "name": "Jazztopad Festival",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "Narodowe Forum Muzyki, plac Wolno\u015bci 1",
        "city": "Wroc\u0142aw",
        "region": "Lower Silesia",
        "country": "PL",
        "lat": 51.1075,
        "lon": 17.031
      },
      "type": "festival",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.nfm.wroclaw.pl/en/festivals/jazztopad-festival",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Over two decades a celebration of improvised music, distinguished by premieres of works commissioned from famous improvisers.",
          "sources": [
            "https://www.nfm.wroclaw.pl/en/festivals/jazztopad-festival",
            "https://www.europejazz.net/festivals/jazztopad"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Annual November festival at the National Forum of Music, with concerts also in intimate clubs and private apartments.",
          "sources": [
            "https://www.europejazz.net/news/22-jazztopad-festival-1423-november-2025"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Hosts major improvisers and jazz musicians; commissions premieres, with albums released on ECM, Blue Note and AUM.",
          "sources": [
            "https://www.nfm.wroclaw.pl/en/festivals/jazztopad-festival"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Centers itself on improvised music, creativity and artistic dialogue.",
          "sources": [
            "https://wroclawmagazine.com/jazztopad-2025-in-wroclaw/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Organized by the National Forum of Music (Narodowe Forum Muzyki), a public nonprofit institution.",
          "sources": [
            "https://www.europejazz.net/festivals/jazztopad"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "One of the most recognizable jazz/improvised music festivals in Europe.",
          "sources": [
            "https://www.europejazz.net/festivals/jazztopad"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://www.nfm.wroclaw.pl/en/festivals/jazztopad-festival"
          ]
        }
      },
      "score": 79,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.nfm.wroclaw.pl/en/festivals/jazztopad-festival",
          "https://www.europejazz.net/festivals/jazztopad"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "a66342a4cdb57bdc",
        "crawl_http_status": 200
      },
      "notes": "Wroc\u0142aw's improvised-music festival built on commissioned premieres, hosted by the National Forum of Music.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Over two decades a celebration of improvised music, distinguished by premieres of works commissioned from famous improvisers."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Annual November festival at the National Forum of Music, with concerts also in intimate clubs and private apartments."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Hosts major improvisers and jazz musicians; commissions premieres, with albums released on ECM, Blue Note and AUM."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Centers itself on improvised music, creativity and artistic dialogue."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Organized by the National Forum of Music (Narodowe Forum Muzyki), a public nonprofit institution."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "One of the most recognizable jazz/improvised music festivals in Europe."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "le-periscope-lyon",
      "name": "Le Periscope",
      "aliases": [
        "Periscope - Musiques Libres"
      ],
      "status": "active",
      "location": {
        "address": "13 rue Delandine",
        "city": "Lyon",
        "region": "Auvergne-Rhone-Alpes",
        "country": "FR",
        "neighborhood": "2e arrondissement",
        "lat": 45.748,
        "lon": 4.821
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.periscope-lyon.com/en/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Opened in 2007 as a venue dedicated to creating and disseminating free music (musiques libres), focused on jazz and improvised music.",
          "sources": [
            "https://www.periscope-lyon.com/le-periscope/?lang=en",
            "https://www.visiterlyon.com/sortir/culture-et-loisirs/culture-et-musees/lieux-de-spectacle/le-periscope"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Hosts nearly 150 concerts a year plus cafe programming and residencies.",
          "sources": [
            "https://www.periscope-lyon.com/le-periscope/?lang=en"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs jazz and improvised music alongside experimental, electronic and other adventurous aesthetics.",
          "sources": [
            "https://www.periscope-lyon.com/en/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Self-styled home of musiques libres, functioning as concert hall, creation and residency space.",
          "sources": [
            "https://www.periscope-lyon.com/le-periscope/?lang=en"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Association-run concert hall and resource venue.",
          "sources": [
            "https://acteursculturels.grandlyon.com/le-periscope-musique/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "A pillar of Lyon's jazz and improvised-music scene.",
          "sources": [
            "https://jazzsra.fr/author/le-periscope/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Ranges from intimate club performances to seated theatre presentations.",
          "sources": [
            "https://www.periscope-lyon.com/en/"
          ]
        }
      },
      "score": 79,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.periscope-lyon.com/en/",
          "https://www.visiterlyon.com/sortir/culture-et-loisirs/culture-et-musees/lieux-de-spectacle/le-periscope"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "39a5e26323309dee",
        "crawl_http_status": 200
      },
      "notes": "Lyon venue explicitly dedicated to free music (musiques libres), with jazz/improv at its core.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Opened in 2007 as a venue dedicated to creating and disseminating free music (musiques libres), focused on jazz and improvised music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Hosts nearly 150 concerts a year plus cafe programming and residencies."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs jazz and improvised music alongside experimental, electronic and other adventurous aesthetics."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Self-styled home of musiques libres, functioning as concert hall, creation and residency space."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Association-run concert hall and resource venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "A pillar of Lyon's jazz and improvised-music scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Ranges from intimate club performances to seated theatre presentations."
        }
      ]
    },
    {
      "id": "luggage-store-gallery",
      "name": "Luggage Store Gallery",
      "aliases": [
        "LSG Creative Music Series"
      ],
      "status": "active",
      "location": {
        "city": "San Francisco",
        "region": "CA",
        "country": "US",
        "neighborhood": "Tenderloin",
        "lat": 37.7825,
        "lon": -122.4103
      },
      "type": "gallery",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://luggagestoregallery.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Long-standing new-music series curated by Outsound Presents / Rent Romus; historically the Bay Area's longest-running experimental series (since 1991).",
          "sources": [
            "https://www.bayimproviser.com/venue/7/luggage-store-creative-music-series",
            "https://outsound.org/programs/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "sources": [
            "https://www.bayimproviser.com/venue/7/luggage-store-creative-music-series",
            "https://outsound.org/programs/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Free improvisation, electronic manipulation, noise, sonic sculpture.",
          "sources": [
            "https://www.bayimproviser.com/venue/7/luggage-store-creative-music-series",
            "https://outsound.org/programs/"
          ]
        },
        "self_description": {
          "value": 4,
          "sources": [
            "https://www.bayimproviser.com/venue/7/luggage-store-creative-music-series",
            "https://outsound.org/programs/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Gallery + Outsound volunteer collective.",
          "sources": [
            "https://www.bayimproviser.com/venue/7/luggage-store-creative-music-series",
            "https://outsound.org/programs/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://www.bayimproviser.com/venue/7/luggage-store-creative-music-series",
            "https://outsound.org/programs/"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://www.bayimproviser.com/venue/7/luggage-store-creative-music-series",
            "https://outsound.org/programs/"
          ]
        }
      },
      "score": 79,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.bayimproviser.com/venue/7/luggage-store-creative-music-series",
          "https://outsound.org/programs/"
        ],
        "needs_human_review": true,
        "url_corrections": [
          {
            "on": "2026-08-17",
            "from": "https://www.luggagestoregallerysf.org/",
            "to": "https://luggagestoregallery.org/",
            "why": "old domain luggagestoregallerysf.org no longer resolves; current site verified live",
            "by": "maintainer:linkcheck-sweep"
          }
        ],
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e3b0c44298fc1c14",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: the weekly LSG New Music Series was retired Dec 2024; a twice-monthly Creative Music Series is reported to continue. Confirm current cadence.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Long-standing new-music series curated by Outsound Presents / Rent Romus; historically the Bay Area's longest-running experimental series (since 1991)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Free improvisation, electronic manipulation, noise, sonic sculpture."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Gallery + Outsound volunteer collective."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "sonic-anchor-hong-kong",
      "name": "Sonic Anchor",
      "aliases": [
        "Contemporary Musiking Hong Kong",
        "CMHK"
      ],
      "status": "active",
      "location": {
        "address": "McAulay Studio, Hong Kong Arts Centre, 2 Harbour Rd, Wan Chai",
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        "region": "Hong Kong",
        "country": "HK",
        "neighborhood": "Wan Chai",
        "lat": 22.2809,
        "lon": 114.1719
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      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://cmhk.org/sonic-anchor/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "Recurring concert series launched in 2012 by Contemporary Musiking Hong Kong (founded by Samson Young), dedicated to sound art and experimental/improvised music.",
          "sources": [
            "https://cmhk.org/sonic-anchor/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "A curated series (48 concerts presented by 2025) - several events per year rather than weekly programming.",
          "sources": [
            "https://cmhk.org/sonic-anchor/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Presents improvising and experimental sound artists, local and international (inaugural concert featured Stephan Moore and Scott Smallwood improvising with electric fans).",
          "sources": [
            "https://cmhk.org/sonic-anchor/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly dedicated to sound art and experimental music.",
          "sources": [
            "https://cmhk.org/sonic-anchor/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Run by a nonprofit sound-art organization.",
          "sources": [
            "https://cmhk.org/sonic-anchor/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "A recognized anchor of Hong Kong's experimental/sound-art scene, cited in scholarship on the city's sonic arts.",
          "sources": [
            "https://www.cambridge.org/core/journals/organised-sound/article/abs/charting-the-scenes-of-sonic-arts-in-hong-kong/D8B3FC2416F29AAB9F165DB85912896F"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Presented as seated concerts in a studio theatre at the Hong Kong Arts Centre.",
          "sources": [
            "https://cmhk.org/sonic-anchor/"
          ]
        }
      },
      "score": 79,
      "tier": "committed",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://cmhk.org/sonic-anchor/",
          "https://www.cambridge.org/core/journals/organised-sound/article/abs/charting-the-scenes-of-sonic-arts-in-hong-kong/D8B3FC2416F29AAB9F165DB85912896F"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "cccba9bd2d68a5b3",
        "crawl_http_status": 200
      },
      "notes": "A concert series/presenter (not a fixed independent venue) based at the Hong Kong Arts Centre; the leading platform for experimental/sound-art music in Hong Kong since 2012.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "Recurring concert series launched in 2012 by Contemporary Musiking Hong Kong (founded by Samson Young), dedicated to sound art and experimental/improvised music."
        },
        {
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          "key": "artist_roster",
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          "evidence": "Presents improvising and experimental sound artists, local and international (inaugural concert featured Stephan Moore and Scott Smallwood improvising with electric fans)."
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          "max_points": 12,
          "evidence": "Explicitly dedicated to sound art and experimental music."
        },
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          "key": "operating_model",
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          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Run by a nonprofit sound-art organization."
        },
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          "key": "community_reputation",
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          "max_value": 5,
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          "max_points": 8,
          "evidence": "A recognized anchor of Hong Kong's experimental/sound-art scene, cited in scholarship on the city's sonic arts."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Presented as seated concerts in a studio theatre at the Hong Kong Arts Centre."
        }
      ]
    },
    {
      "id": "apohadion-theater",
      "name": "The Apohadion Theater",
      "aliases": [],
      "status": "active",
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        "address": "107 Hanover St",
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        "region": "ME",
        "country": "US",
        "neighborhood": "Arts District",
        "lat": 43.6642,
        "lon": -70.2568
      },
      "type": "diy_space",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://apohadiontheater.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "DIY grassroots performance space run out of a shared studio of 25+ artists; curates an \"Experimental Creators\" series and regularly hosts experimental music.",
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            "https://apohadiontheater.org/",
            "https://expcinema.org/site/en/venues/apohadion-theater"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Ongoing calendar of experimental music, film and performance events.",
          "sources": [
            "https://apohadiontheater.org/Upcoming-Events"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs experimental bands and musicians and creators working in experimental ways.",
          "sources": [
            "https://expcinema.org/site/en/venues/apohadion-theater"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as a non-traditional grassroots space for experimental music, film and performance.",
          "sources": [
            "https://expcinema.org/site/en/venues/apohadion-theater"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "DIY, artist-run space operated by a shared studio collective.",
          "sources": [
            "https://apohadiontheater.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized Portland hub for experimental and underground performance; supported by SPACE's Kindling Fund.",
          "sources": [
            "https://space538.org/artist/kindling-fund/the-apohadion-theater/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate DIY theater setting.",
          "sources": [
            "https://apohadiontheater.org/"
          ]
        }
      },
      "score": 79,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://apohadiontheater.org/",
          "https://expcinema.org/site/en/venues/apohadion-theater",
          "https://space538.org/artist/kindling-fund/the-apohadion-theater/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "7e81329d064e30d8",
        "crawl_http_status": 200
      },
      "notes": "Portland ME DIY artist-run space with experimental programming; coordinates approximate to Hanover St.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
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          "max_points": 25,
          "evidence": "DIY grassroots performance space run out of a shared studio of 25+ artists; curates an \"Experimental Creators\" series and regularly hosts experimental music."
        },
        {
          "key": "show_frequency",
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        },
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          "key": "artist_roster",
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          "max_points": 20,
          "evidence": "Programs experimental bands and musicians and creators working in experimental ways."
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        {
          "key": "self_description",
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          "max_points": 12,
          "evidence": "Describes itself as a non-traditional grassroots space for experimental music, film and performance."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "DIY, artist-run space operated by a shared studio collective."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized Portland hub for experimental and underground performance; supported by SPACE's Kindling Fund."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate DIY theater setting."
        }
      ]
    },
    {
      "id": "urbanguild-kyoto",
      "name": "UrBANGUILD",
      "aliases": [
        "Urbanguild"
      ],
      "status": "active",
      "location": {
        "address": "New Kyoto Bldg 3F, Kiyamachi-dori, Nakagyo-ku",
        "city": "Kyoto",
        "region": "Kyoto",
        "country": "JP",
        "neighborhood": "Pontocho / Kiyamachi",
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        "lon": 135.7708
      },
      "type": "bar_club",
      "operating_model": "artist_run",
      "capacity": 100,
      "website": "https://urbanguild.net/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Described as Kyoto's leading avant-garde music space; hosts hours-long modern-jazz improvisation marathons with 30-plus performers.",
          "sources": [
            "https://www.deepkyoto.com/the-legend-of-urbanguild/",
            "https://www.nationalgeographic.com/travel/article/alternative-kyoto-japan-culture-capital-hotspot-for-live-music"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent events across experimental music, improv, contemporary dance and performance.",
          "sources": [
            "https://www.songkick.com/venues/63867-urbanguild"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Improvisers, experimental musicians and interdisciplinary performers.",
          "sources": [
            "https://www.deepkyoto.com/the-legend-of-urbanguild/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Identifies as an avant-garde live space for experimental and improvised performance.",
          "sources": [
            "https://www.deepkyoto.com/the-legend-of-urbanguild/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist-run venue with bar, kitchen and stage.",
          "sources": [
            "https://www.deepkyoto.com/the-legend-of-urbanguild/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "One of Kyoto's most respected underground live music venues.",
          "sources": [
            "https://www.nationalgeographic.com/travel/article/alternative-kyoto-japan-culture-capital-hotspot-for-live-music"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate room with benches and a bar; attentive but informal.",
          "sources": [
            "https://www.deepkyoto.com/the-legend-of-urbanguild/"
          ]
        }
      },
      "score": 79,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.deepkyoto.com/the-legend-of-urbanguild/",
          "https://www.nationalgeographic.com/travel/article/alternative-kyoto-japan-culture-capital-hotspot-for-live-music",
          "https://www.songkick.com/venues/63867-urbanguild"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "f0265c6c32cb33cf",
        "crawl_http_status": 200
      },
      "notes": "Kyoto's leading avant-garde live space on Kiyamachi; improv marathons, experimental music, dance and performance.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Described as Kyoto's leading avant-garde music space; hosts hours-long modern-jazz improvisation marathons with 30-plus performers."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent events across experimental music, improv, contemporary dance and performance."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Improvisers, experimental musicians and interdisciplinary performers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Identifies as an avant-garde live space for experimental and improvised performance."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist-run venue with bar, kitchen and stage."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "One of Kyoto's most respected underground live music venues."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Intimate room with benches and a bar; attentive but informal."
        }
      ]
    },
    {
      "id": "bread-and-salt-san-diego",
      "name": "Bread & Salt",
      "aliases": [
        "Fresh Sound",
        "Salty Series"
      ],
      "status": "active",
      "location": {
        "address": "1955 Julian Ave",
        "city": "San Diego",
        "region": "CA",
        "country": "US",
        "neighborhood": "Logan Heights",
        "lat": 32.7009,
        "lon": -117.149
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.breadandsaltsandiego.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Experimental arts center that houses the Fresh Sound new-music series (avant-garde jazz, contemporary classical, experimental) and Project [BLANK]'s monthly Salty Series of improvisation, sound art and electroacoustic music.",
          "sources": [
            "https://www.breadandsaltsandiego.com/concerts",
            "https://www.projectblanksd.org/salty-series-2026"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Multiple monthly series (Fresh Sound plus third-Friday Salty Series) alongside other concerts.",
          "sources": [
            "https://www.projectblanksd.org/salty-series-2026"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Innovative performers of experimental new music, contemporary classical and avant-garde jazz; Salty Series curated by rotating local improvisers.",
          "sources": [
            "https://sdnews.com/bread-and-salt/",
            "https://www.projectblanksd.org/salty-series-2026"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as an experimental center for the arts with strong community ties.",
          "sources": [
            "https://www.breadandsaltsandiego.com/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit experimental arts center; Fresh Sound and Project [BLANK] are nonprofit new-music presenters.",
          "sources": [
            "https://sdnews.com/bread-and-salt/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "San Diego's principal home for experimental/new music; Fresh Sound's Bonnie Wright has produced 180+ new-music concerts since 1997.",
          "sources": [
            "https://sdnews.com/bread-and-salt/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Large converted bakery/warehouse arts space used for seated concerts.",
          "sources": [
            "https://wheninsandiego.com/bread-and-salt/"
          ]
        }
      },
      "score": 78,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.breadandsaltsandiego.com/concerts",
          "https://www.projectblanksd.org/salty-series-2026",
          "https://sdnews.com/bread-and-salt/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "248cef36a779f4ae",
        "crawl_http_status": 200
      },
      "notes": "San Diego's core experimental-music venue, hosting the Fresh Sound new-music series and Project [BLANK]'s monthly Salty Series of improvisation and sound art.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Experimental arts center that houses the Fresh Sound new-music series (avant-garde jazz, contemporary classical, experimental) and Project [BLANK]'s monthly Salty Series of improvisation, sound art and electroacoustic music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Multiple monthly series (Fresh Sound plus third-Friday Salty Series) alongside other concerts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Innovative performers of experimental new music, contemporary classical and avant-garde jazz; Salty Series curated by rotating local improvisers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Describes itself as an experimental center for the arts with strong community ties."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit experimental arts center; Fresh Sound and Project [BLANK] are nonprofit new-music presenters."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "San Diego's principal home for experimental/new music; Fresh Sound's Bonnie Wright has produced 180+ new-music concerts since 1997."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Large converted bakery/warehouse arts space used for seated concerts."
        }
      ]
    },
    {
      "id": "capitalbop-dc-jazz-loft",
      "name": "CapitalBop / DC Jazz Loft",
      "aliases": [
        "CapitalBop",
        "DC Jazz Loft"
      ],
      "status": "active",
      "location": {
        "address": "presents at Rhizome and DIY spaces around DC",
        "city": "Washington",
        "region": "DC",
        "country": "US",
        "neighborhood": "Takoma / citywide",
        "lat": 38.977,
        "lon": -77.0173
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.capitalbop.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Runs the DC Jazz Loft, a loft-tradition series for creative music; part of a mission to present jazz as Black American / creative music.",
          "sources": [
            "https://www.capitalbop.com/about/",
            "https://www.capitalbop.com/dc-jazz-loft-relaunch-rhizome/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "DC Jazz Loft runs as a recurring (historically monthly) series in lofts, galleries, and basements.",
          "sources": [
            "https://www.capitalbop.com/d-c-jazz-loft-series/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs \"fire music\" and creative improvisers (e.g. saxophonists Aaron Martin and Lionel Lyles; Brian Falkowski and Dan Kurfirst).",
          "sources": [
            "https://www.capitalbop.com/aaron-martin-lionel-lyles-dc-jazz-loft/",
            "https://www.capitalbop.com/brian-falkowski-dan-kurfirst-dc-jazz-loft/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Dedicated to promoting, presenting and preserving jazz (aka Black American Music or creative music) in DC.",
          "sources": [
            "https://www.capitalbop.com/about/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "501(c)(3) nonprofit founded 2010; Jazz Loft is donation-based with 100% to artists.",
          "sources": [
            "https://www.capitalbop.com/about/",
            "https://www.cfp-dc.org/nonprofits/1753/CapitalBop/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Central to DC's jazz coverage and creative-music presenting since 2010.",
          "sources": [
            "https://www.capitalbop.com/about/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Loft-style intimate listening events modeled on the bebop-era jazz lofts.",
          "sources": [
            "https://www.capitalbop.com/announcing-capitalbops-first-d-c-jazz-loft/"
          ]
        }
      },
      "score": 78,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.capitalbop.com/about/",
          "https://www.capitalbop.com/dc-jazz-loft-relaunch-rhizome/",
          "https://www.capitalbop.com/d-c-jazz-loft-series/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "b175d4d21dac9c2a",
        "crawl_http_status": 200
      },
      "notes": "DC nonprofit presenter and jazz-journalism org; the DC Jazz Loft series (revived at Rhizome) favors creative/avant jazz. Nomadic historically (Red Door, Union Arts, Hole in the Sky).",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Runs the DC Jazz Loft, a loft-tradition series for creative music; part of a mission to present jazz as Black American / creative music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "DC Jazz Loft runs as a recurring (historically monthly) series in lofts, galleries, and basements."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs \"fire music\" and creative improvisers (e.g. saxophonists Aaron Martin and Lionel Lyles; Brian Falkowski and Dan Kurfirst)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Dedicated to promoting, presenting and preserving jazz (aka Black American Music or creative music) in DC."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "501(c)(3) nonprofit founded 2010; Jazz Loft is donation-based with 100% to artists."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Central to DC's jazz coverage and creative-music presenting since 2010."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Loft-style intimate listening events modeled on the bebop-era jazz lofts."
        }
      ]
    },
    {
      "id": "mills-college-ccm-oakland",
      "name": "Mills College Center for Contemporary Music",
      "aliases": [
        "CCM",
        "Mills Music Now",
        "Littlefield Concert Hall"
      ],
      "status": "active",
      "location": {
        "address": "5000 MacArthur Blvd",
        "city": "Oakland",
        "region": "CA",
        "country": "US",
        "neighborhood": "Seminary",
        "lat": 37.7806,
        "lon": -122.1839
      },
      "type": "university",
      "operating_model": "university",
      "capacity": null,
      "website": "https://performingarts.oakland.northeastern.edu/center-for-contemporary-music/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "The Mills Music Now series and the historic Center for Contemporary Music celebrate the campus's experimental-music tradition, spanning electronic, contemporary and improvised work.",
          "sources": [
            "https://performingarts.oakland.northeastern.edu/programs/mills-music-now/",
            "https://performingarts.oakland.northeastern.edu/center-for-contemporary-music/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Seasonal concert series with regular Mills Music Now events open to the public.",
          "sources": [
            "https://performingarts.oakland.northeastern.edu/programs/mills-music-now/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Faculty, students and visiting artists defining the cutting edge from electronic to improvisation.",
          "sources": [
            "https://performingarts.oakland.northeastern.edu/programs/mills-music-now/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly celebrates the college's rich tradition of experimental music.",
          "sources": [
            "https://performingarts.oakland.northeastern.edu/programs/mills-music-now/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "University-run center (Mills College, now Mills at Northeastern University Oakland).",
          "sources": [
            "https://performingarts.oakland.northeastern.edu/center-for-contemporary-music/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Hailed as one of the \"gems of Bay Area culture\"; CCM is a historic node of American experimental and electronic music.",
          "sources": [
            "https://cnmat.berkeley.edu/legacy-venues/center-contemporary-music-mills-college"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Concerts largely in the Jeannik Mequet Littlefield Concert Hall.",
          "sources": [
            "https://performingarts.oakland.northeastern.edu/programs/mills-music-now/"
          ]
        }
      },
      "score": 78,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://performingarts.oakland.northeastern.edu/center-for-contemporary-music/",
          "https://performingarts.oakland.northeastern.edu/programs/mills-music-now/",
          "https://cnmat.berkeley.edu/legacy-venues/center-contemporary-music-mills-college"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "6d8cd9427b490e99",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: historic Mills CCM now operates under Northeastern University Oakland; confirm current public concert cadence and programming post-transition.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "The Mills Music Now series and the historic Center for Contemporary Music celebrate the campus's experimental-music tradition, spanning electronic, contemporary and improvised work."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Seasonal concert series with regular Mills Music Now events open to the public."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Faculty, students and visiting artists defining the cutting edge from electronic to improvisation."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly celebrates the college's rich tradition of experimental music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "University-run center (Mills College, now Mills at Northeastern University Oakland)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Hailed as one of the \"gems of Bay Area culture\"; CCM is a historic node of American experimental and electronic music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Concerts largely in the Jeannik Mequet Littlefield Concert Hall."
        }
      ]
    },
    {
      "id": "real-art-ways",
      "name": "Real Art Ways",
      "aliases": [
        "RAW"
      ],
      "status": "active",
      "location": {
        "address": "56 Arbor St",
        "city": "Hartford",
        "region": "CT",
        "country": "US",
        "neighborhood": "Parkville",
        "lat": 41.7663,
        "lon": -72.7078
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.realartways.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Hosts Instantiations (formerly Improvisations Now), a monthly improvised-music series programmed by guitarist Joe Morris featuring the global free-improv scene.",
          "sources": [
            "https://www.realartways.org/events/category/eventtype-event/improvisations-now-eventtype-event/past/",
            "https://ctexaminer.com/events/instantiations-improvisational-jazz-series-at-real-art-ways-in-hartford/2025-12-14/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Improvised-music series runs monthly within a broader contemporary-art and cinema program.",
          "sources": [
            "https://hartfordjazzsociety.com/event/instantiations-monthly-music-series-at-real-art-ways-3/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Series has featured Mary Halvorson, William Parker, Tyshawn Sorey, Joe McPhee, Rob Brown, Fay Victor, Ikue Mori and other leading improvisers.",
          "sources": [
            "https://patch.com/connecticut/hartford/improvisations-now-real-art-ways-0"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Contemporary art space; the music strand is explicitly framed around completely improvised music.",
          "sources": [
            "https://patch.com/connecticut/hartford/improvisations-now-real-art-ways-0"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit contemporary-art organization founded 1975.",
          "sources": [
            "https://en.wikipedia.org/wiki/Real_Art_Ways"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Well-established Hartford institution; the improv series is a recognized home for creative music in Connecticut.",
          "sources": [
            "https://ctexaminer.com/events/instantiations-improvisational-jazz-series-at-real-art-ways-in-hartford/2025-12-14/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated gallery/performance setting for attentive listening.",
          "sources": [
            "https://hartfordjazzsociety.com/event/instantiations-monthly-music-series-at-real-art-ways-3/"
          ]
        }
      },
      "score": 78,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.realartways.org/",
          "https://ctexaminer.com/events/instantiations-improvisational-jazz-series-at-real-art-ways-in-hartford/2025-12-14/",
          "https://patch.com/connecticut/hartford/improvisations-now-real-art-ways-0"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "1902fee853430a53",
        "crawl_http_status": 200
      },
      "notes": "Instantiations monthly improv series curated by Joe Morris inside a broader contemporary-art center.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Hosts Instantiations (formerly Improvisations Now), a monthly improvised-music series programmed by guitarist Joe Morris featuring the global free-improv scene."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Improvised-music series runs monthly within a broader contemporary-art and cinema program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
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          "max_points": 20,
          "evidence": "Series has featured Mary Halvorson, William Parker, Tyshawn Sorey, Joe McPhee, Rob Brown, Fay Victor, Ikue Mori and other leading improvisers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
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        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit contemporary-art organization founded 1975."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Well-established Hartford institution; the improv series is a recognized home for creative music in Connecticut."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated gallery/performance setting for attentive listening."
        }
      ]
    },
    {
      "id": "temescal-art-center",
      "name": "Temescal Art Center",
      "aliases": [
        "TAC"
      ],
      "status": "active",
      "location": {
        "address": "511 48th St",
        "city": "Oakland",
        "region": "CA",
        "country": "US",
        "neighborhood": "Temescal",
        "lat": 37.8353,
        "lon": -122.2617
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.temescalartcenter.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Hosts the monthly free-improvisation workshop-series \"Doors That Only Open in Silence\" and the TACmusic concert series of improvisation, experimental music and sound art.",
          "sources": [
            "https://www.temescalartcenter.org/tacmusic.html",
            "https://www.bayimproviser.com/venue/56/temescal-arts-center"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Monthly improv series plus additional TACmusic concerts and workshops.",
          "sources": [
            "https://www.temescalartcenter.org/events.html"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Improvised, experimental and interdisciplinary musicians and sound artists.",
          "sources": [
            "https://www.temescalartcenter.org/tacmusic.html"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "A venue for experimental, community and healing arts; hosts research and residencies for improvised, experimental and interdisciplinary music.",
          "sources": [
            "https://www.temescalartcenter.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "DIY community arts space operating since 1997.",
          "sources": [
            "https://openspace.sfmoma.org/2018/02/featured-organization-temescal-art-center/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Longstanding East Bay experimental-arts fixture; featured by SFMOMA Open Space and Bay Improviser.",
          "sources": [
            "https://openspace.sfmoma.org/2018/02/featured-organization-temescal-art-center/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Flexible community-arts room used for concerts and participatory sessions.",
          "sources": [
            "https://www.temescalartcenter.org/"
          ]
        }
      },
      "score": 78,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.temescalartcenter.org/tacmusic.html",
          "https://www.bayimproviser.com/venue/56/temescal-arts-center",
          "https://openspace.sfmoma.org/2018/02/featured-organization-temescal-art-center/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "2e4724f3a5bf701b",
        "crawl_http_status": 200
      },
      "notes": "Oakland DIY arts center with a dedicated monthly free-improv series and the TACmusic experimental program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
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        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_points": 20,
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        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_points": 20,
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        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
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        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "DIY community arts space operating since 1997."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Longstanding East Bay experimental-arts fixture; featured by SFMOMA Open Space and Bay Improviser."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Flexible community-arts room used for concerts and participatory sessions."
        }
      ]
    },
    {
      "id": "machines-with-magnets",
      "name": "Machines with Magnets",
      "aliases": [
        "MWM"
      ],
      "status": "active",
      "location": {
        "address": "400 Main St",
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        "region": "RI",
        "country": "US",
        "lat": 41.8761,
        "lon": -71.3831
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.machineswithmagnets.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Recording studio and venue established 2007 that hosts experimental music performances, sound/art installations and performance art.",
          "sources": [
            "https://machineswithmagnets.com/performance",
            "https://www.visitrhodeisland.com/listing/machines-with-magnets/3095/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular experimental-music performances alongside studio operations.",
          "sources": [
            "https://machineswithmagnets.com/performance"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Associated with experimental artists such as Lightning Bolt, Battles and The Body; programs adventurous sound work.",
          "sources": [
            "https://www.machineswithmagnets.com/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Describes itself as an experimental music venue, recording studio, art gallery and event space.",
          "sources": [
            "https://www.indieonthemove.com/venues/machines-with-magnets-pawtucket-rhode-island"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist-run studio/venue.",
          "sources": [
            "https://www.machineswithmagnets.com/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Well-known Providence-area destination for experimental and noise music.",
          "sources": [
            "https://tourblackstone.com/machines-with-magnets/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate performance space with a bar.",
          "sources": [
            "https://machineswithmagnets.com/performance"
          ]
        }
      },
      "score": 77,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://machineswithmagnets.com/performance",
          "https://www.machineswithmagnets.com/",
          "https://www.visitrhodeisland.com/listing/machines-with-magnets/3095/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "400cccdb9f97288b",
        "crawl_http_status": 200
      },
      "notes": "Pawtucket experimental-music venue and studio; coordinates approximate to 400 Main St.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Recording studio and venue established 2007 that hosts experimental music performances, sound/art installations and performance art."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular experimental-music performances alongside studio operations."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Associated with experimental artists such as Lightning Bolt, Battles and The Body; programs adventurous sound work."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Describes itself as an experimental music venue, recording studio, art gallery and event space."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist-run studio/venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Well-known Providence-area destination for experimental and noise music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Intimate performance space with a bar."
        }
      ]
    },
    {
      "id": "nightlight-chapel-hill",
      "name": "Nightlight",
      "aliases": [
        "The Nightlight",
        "Nightlight Bar & Club"
      ],
      "status": "closed",
      "location": {
        "address": "405 1/2 W Rosemary St",
        "city": "Chapel Hill",
        "region": "NC",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 35.9138,
        "lon": -79.062
      },
      "type": "diy_space",
      "operating_model": "commercial",
      "capacity": null,
      "website": "http://www.nightlightclub.com/",
      "active_this_year": false,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Contemporary experimental performance space hosting national/international touring experimental and noise artists; founded 2003 for electronic/experimental/danceable music.",
          "sources": [
            "https://www.yelp.com/biz/nightlight-bar-and-club-chapel-hill",
            "https://www.dailytarheel.com/article/2024/05/lifestyle-nightlight-closing-legacy"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "When open, a cornerstone of the local DIY scene hosting frequent experimental sets.",
          "sources": [
            "https://www.yelp.com/biz/nightlight-bar-and-club-chapel-hill"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Regularly booked experimental noise and improv acts alongside indie shows.",
          "sources": [
            "https://indyweek.com/music/still-leaving-nightlight-ya/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Described itself as a contemporary experimental performance space.",
          "sources": [
            "https://www.yelp.com/biz/nightlight-bar-and-club-chapel-hill"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent DIY-run club (former Skylight Exchange sandwich shop/record store by day).",
          "sources": [
            "https://www.dailytarheel.com/article/2024/05/lifestyle-nightlight-closing-legacy"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-recognized cornerstone of the Triangle DIY/experimental music community.",
          "sources": [
            "https://www.dailytarheel.com/article/2024/05/lifestyle-nightlight-closing-legacy"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Small club/bar hybrid.",
          "sources": [
            "https://www.indieonthemove.com/venues/the-nightlight-chapel-hill-north-carolina"
          ]
        }
      },
      "score": 77,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.dailytarheel.com/article/2024/05/lifestyle-nightlight-closing-legacy",
          "https://www.yelp.com/biz/nightlight-bar-and-club-chapel-hill"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "7055821fe27df561",
        "crawl_http_status": 200
      },
      "notes": "CLOSED since 2022; owners were still negotiating with the landlord as of 2024, and a portion of its events moved to All Day Records in Carrboro. Scored on its historical profile. Needs human review for reopening/current status.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
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          "max_points": 25,
          "evidence": "Contemporary experimental performance space hosting national/international touring experimental and noise artists; founded 2003 for electronic/experimental/danceable music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "When open, a cornerstone of the local DIY scene hosting frequent experimental sets."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Regularly booked experimental noise and improv acts alongside indie shows."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Described itself as a contemporary experimental performance space."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent DIY-run club (former Skylight Exchange sandwich shop/record store by day)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Long-recognized cornerstone of the Triangle DIY/experimental music community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Small club/bar hybrid."
        }
      ]
    },
    {
      "id": "porgy-und-bess-vienna",
      "name": "Porgy & Bess",
      "aliases": [
        "Jazz & Music Club Porgy & Bess"
      ],
      "status": "active",
      "location": {
        "address": "Riemergasse 11",
        "city": "Vienna",
        "region": "Vienna",
        "country": "AT",
        "neighborhood": "Innere Stadt",
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        "lon": 16.3769
      },
      "type": "bar_club",
      "operating_model": "nonprofit",
      "capacity": 350,
      "website": "https://www.porgy.at/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Vienna's most important jazz organizer (since 1993) with a pluralistic program reaching into contemporary, electronic and experimental music, plus the small 'Strenge Kammer' room for experimental concerts.",
          "sources": [
            "https://www.europejazz.net/club/jazz-musicclub-porgy-bess",
            "https://www.wien.info/en/dine-drink/bars-clubs/live-locations/porgy-bess-355534"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Near-nightly program speaking to around 70,000 guests a year.",
          "sources": [
            "https://www.europejazz.net/club/jazz-musicclub-porgy-bess"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Books international jazz plus experimental/improvised projects; hosts the Vienna Improvisers Orchestra and adventurous acts such as Fire! Orchestra.",
          "sources": [
            "https://www.freejazzblog.org/2016/06/fire-orchestra-porgy-bess-vienna.html"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Understands jazz very pluralistically and encourages cross-genre experiment.",
          "sources": [
            "https://www.europejazz.net/club/jazz-musicclub-porgy-bess"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Association-run nonprofit music club.",
          "sources": [
            "https://www.europejazz.net/club/jazz-musicclub-porgy-bess"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Regarded as the central meeting point of Austria's creative jazz scene.",
          "sources": [
            "https://www.jazzhalo.be/interviews/a-conversation-with-christoph-huber-at-porgy-bess-vienna-austria/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated listening club with a dedicated small experimental room.",
          "sources": [
            "https://www.wien.info/en/dine-drink/bars-clubs/live-locations/porgy-bess-355534"
          ]
        }
      },
      "score": 77,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.porgy.at/",
          "https://www.europejazz.net/club/jazz-musicclub-porgy-bess"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "528992a05658df93",
        "crawl_http_status": 200
      },
      "notes": "Vienna's flagship jazz club; pluralistic program with a strong experimental/improvised strand and dedicated experimental room.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Vienna's most important jazz organizer (since 1993) with a pluralistic program reaching into contemporary, electronic and experimental music, plus the small 'Strenge Kammer' room for experimental concerts."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Near-nightly program speaking to around 70,000 guests a year."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Books international jazz plus experimental/improvised projects; hosts the Vienna Improvisers Orchestra and adventurous acts such as Fire! Orchestra."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Understands jazz very pluralistically and encourages cross-genre experiment."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Association-run nonprofit music club."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Regarded as the central meeting point of Austria's creative jazz scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated listening club with a dedicated small experimental room."
        }
      ]
    },
    {
      "id": "rhiz-vienna",
      "name": "rhiz",
      "aliases": [
        "Rhiz Bar Modern"
      ],
      "status": "active",
      "location": {
        "address": "Lerchenfelder G\u00fcrtel Bogen 37-38",
        "city": "Vienna",
        "region": "Vienna",
        "country": "AT",
        "neighborhood": "G\u00fcrtel",
        "lat": 48.2099,
        "lon": 16.3387
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 150,
      "website": "https://rhiz.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Venue and platform for experimental electronic music and projects, in the arches of the former Stadtbahn on Vienna's G\u00fcrtel.",
          "sources": [
            "https://rhiz.org/",
            "https://www.wien.info/en/dine-drink/bars-clubs/live-locations/rhiz-356670"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Concerts several times weekly, ranging from advanced electronic to experimental rock.",
          "sources": [
            "https://www.wien.info/en/dine-drink/bars-clubs/live-locations/rhiz-356670"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Historic hub of Vienna's electronic/laptop avant-garde (Fennesz, Radian, Pita) with ongoing experimental bookings.",
          "sources": [
            "https://www.wien.info/en/dine-drink/bars-clubs/live-locations/rhiz-356670"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes itself as an institution of Vienna's music scene and a platform for experiments with electronic music.",
          "sources": [
            "https://rhiz.org/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independently run bar/venue.",
          "sources": [
            "https://rhiz.org/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-regarded central hub of Vienna's experimental electronic scene.",
          "sources": [
            "https://www.guertelconnection.at/rhiz/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Bar-venue in a railway arch beneath the U6 line.",
          "sources": [
            "https://www.wien.info/en/dine-drink/bars-clubs/live-locations/rhiz-356670"
          ]
        }
      },
      "score": 77,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://rhiz.org/",
          "https://www.wien.info/en/dine-drink/bars-clubs/live-locations/rhiz-356670"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 403,
          "detail": "HTTP 403"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "301dc171e5fa8c5f",
        "crawl_http_status": 403
      },
      "notes": "G\u00fcrtel-arch venue for experimental electronic and avant music; more electronic-leaning than free jazz but a genuine avant-garde platform.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
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          "max_points": 25,
          "evidence": "Venue and platform for experimental electronic music and projects, in the arches of the former Stadtbahn on Vienna's G\u00fcrtel."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_value": 5,
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          "max_points": 20,
          "evidence": "Concerts several times weekly, ranging from advanced electronic to experimental rock."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
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        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes itself as an institution of Vienna's music scene and a platform for experiments with electronic music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independently run bar/venue."
        },
        {
          "key": "community_reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Long-regarded central hub of Vienna's experimental electronic scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Bar-venue in a railway arch beneath the U6 line."
        }
      ]
    },
    {
      "id": "alice-copenhagen",
      "name": "ALICE",
      "aliases": [
        "ALICE cph",
        "Alice Copenhagen"
      ],
      "status": "active",
      "location": {
        "address": "N\u00f8rre All\u00e9 7",
        "city": "Copenhagen",
        "region": "Capital Region",
        "country": "DK",
        "neighborhood": "N\u00f8rrebro",
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        "lon": 12.5595
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 250,
      "website": "https://alicecph.com/en/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Regional venue for adventurous music presenting an ambitious program from jazz/improv to global roots, electronic, avant-garde and sound art.",
          "sources": [
            "https://alicecph.com/en/about-alice/",
            "https://www.europejazz.net/club/alice-cph"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent concerts year-round; partner venue of the Copenhagen Jazz Festival.",
          "sources": [
            "https://alicecph.com/en/about-alice/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Presents jazz/improv artists within a broad adventurous program.",
          "sources": [
            "https://www.europejazz.net/club/alice-cph"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes itself as a venue for adventurous music seeking new horizons and hybrids.",
          "sources": [
            "https://alicecph.com/en/about-alice/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit regional music venue (a fusion of the former Global and Jazzhouse).",
          "sources": [
            "https://alicecph.com/en/about-alice/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Recognized Copenhagen home for adventurous/improvised music; named for Alice Coltrane.",
          "sources": [
            "https://www.europejazz.net/club/alice-cph"
          ]
        },
        "listening_room": {
          "value": 4,
          "sources": [
            "https://alicecph.com/en/about-alice/"
          ]
        }
      },
      "score": 76,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://alicecph.com/en/about-alice/",
          "https://www.europejazz.net/club/alice-cph"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "752b975af0a200af",
        "crawl_http_status": 200
      },
      "notes": "N\u00f8rrebro venue for adventurous music; jazz/improv within a broad program. Address/coords approximate.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Regional venue for adventurous music presenting an ambitious program from jazz/improv to global roots, electronic, avant-garde and sound art."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent concerts year-round; partner venue of the Copenhagen Jazz Festival."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Presents jazz/improv artists within a broad adventurous program."
        },
        {
          "key": "self_description",
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          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes itself as a venue for adventurous music seeking new horizons and hybrids."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit regional music venue (a fusion of the former Global and Jazzhouse)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Recognized Copenhagen home for adventurous/improvised music; named for Alice Coltrane."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "arts-literature-laboratory-madison",
      "name": "Arts + Literature Laboratory",
      "aliases": [
        "ALL"
      ],
      "status": "active",
      "location": {
        "address": "111 S Livingston St #100",
        "city": "Madison",
        "region": "WI",
        "country": "US",
        "neighborhood": "Capitol East District",
        "lat": 43.0838,
        "lon": -89.3722
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://artlitlab.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Home of Auricle, a new-music concert series focusing on experimental music and sound art (curated by Phil and Cricket Redman) connecting Madison audiences with local, national and international innovators.",
          "sources": [
            "https://artlitlab.org/programs/music-performing-arts/auricle",
            "https://tonemadison.com/articles/cosmic-guitars-and-experimental-percussion-bring-music-back-to-arts-literature-laboratory/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Recurring music series within 200+ annual events; mix of free and ticketed concerts.",
          "sources": [
            "https://artlitlab.org/calendar"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Auricle has hosted improvisers/experimentalists including Nicole Mitchell (The Others), Jaap Blonk, Elder Ones, Jakob Heinemann Quartet and Russ Johnson.",
          "sources": [
            "https://artlitlab.org/programs/music-performing-arts/auricle",
            "https://artlitlab.org/events/elder-ones"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Community contemporary arts center and 'space for experimentation in many genres.'",
          "sources": [
            "https://isthmus.com/arts/curation-destination-Arts-Lit-Laboratory/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Community-based nonprofit contemporary arts center.",
          "sources": [
            "https://artlitlab.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://isthmus.com/arts/curation-destination-Arts-Lit-Laboratory/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Dedicated performance space within the 10,500 sq ft center.",
          "sources": [
            "https://artlitlab.org/about-all/planning-your-visit"
          ]
        }
      },
      "score": 76,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://artlitlab.org/programs/music-performing-arts/auricle",
          "https://tonemadison.com/articles/cosmic-guitars-and-experimental-percussion-bring-music-back-to-arts-literature-laboratory/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ad5fef58f582d79d",
        "crawl_http_status": 200
      },
      "notes": "Madison nonprofit arts center; its Auricle series is the city's main outlet for experimental/improvised new music.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Home of Auricle, a new-music concert series focusing on experimental music and sound art (curated by Phil and Cricket Redman) connecting Madison audiences with local, national and international innovators."
        },
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          "key": "show_frequency",
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          "max_points": 20,
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        },
        {
          "key": "artist_roster",
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          "max_points": 20,
          "evidence": "Auricle has hosted improvisers/experimentalists including Nicole Mitchell (The Others), Jaap Blonk, Elder Ones, Jakob Heinemann Quartet and Russ Johnson."
        },
        {
          "key": "self_description",
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          "points": 9.6,
          "max_points": 12,
          "evidence": "Community contemporary arts center and 'space for experimentation in many genres.'"
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Community-based nonprofit contemporary arts center."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Dedicated performance space within the 10,500 sq ft center."
        }
      ]
    },
    {
      "id": "comfort-station-logan-square",
      "name": "Comfort Station",
      "aliases": [
        "Comfort Station Logan Square"
      ],
      "status": "active",
      "location": {
        "address": "2579 N Milwaukee Ave",
        "city": "Chicago",
        "region": "IL",
        "country": "US",
        "neighborhood": "Logan Square",
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        "lon": -87.7076
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
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      "website": "https://comfortstationlogansquare.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Hosts the recurring Comfort Music series of experimental and improvised performances (co-founded/programmed by Jordan Martins), alongside film and visual-art programming.",
          "sources": [
            "https://comfortstationlogansquare.org/calendar/2026/6/8/comfortmusic",
            "https://www.jordanmartins.com/curatorialprogramming"
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        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular music nights within a broad weekly arts calendar.",
          "sources": [
            "https://comfortstationlogansquare.org/calendar"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Comfort Music books experimental/improv acts such as the Chicago Sound Bath and duos like PXM.",
          "sources": [
            "https://comfortstationlogansquare.org/calendar/comfortmusicoct2424"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Grass-roots multidisciplinary art space acting as gallery, music venue, cinema and micro-cultural center; porous and hyper-collaborative.",
          "sources": [
            "https://sixtyinchesfromcenter.org/the-logan-square-comfort-station-in-the-art-of-a-community/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit (founded 2016) in a historic city comfort-station building.",
          "sources": [
            "https://www.preservationchicago.org/chicago-tribune-comfort-station-is-the-small-tudor-building-in-logan-square-with-a-century-of-chicago-history-first-as-a-restroom-now-an-arts-space-and-outdoor-theater/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://sixtyinchesfromcenter.org/the-logan-square-comfort-station-in-the-art-of-a-community/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Small 800-square-foot room used for attentive performance.",
          "sources": [
            "https://sixtyinchesfromcenter.org/the-logan-square-comfort-station-in-the-art-of-a-community/"
          ]
        }
      },
      "score": 76,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://comfortstationlogansquare.org/calendar/2026/6/8/comfortmusic",
          "https://www.jordanmartins.com/curatorialprogramming"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e2dd99746e286ca2",
        "crawl_http_status": 200
      },
      "notes": "Nonprofit Logan Square arts space; the Comfort Music series is a dependable outlet for Chicago experimental/improv performers.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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        },
        {
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          "max_points": 20,
          "evidence": "Regular music nights within a broad weekly arts calendar."
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          "max_points": 20,
          "evidence": "Comfort Music books experimental/improv acts such as the Chicago Sound Bath and duos like PXM."
        },
        {
          "key": "self_description",
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          "max_points": 12,
          "evidence": "Grass-roots multidisciplinary art space acting as gallery, music venue, cinema and micro-cultural center; porous and hyper-collaborative."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit (founded 2016) in a historic city comfort-station building."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Small 800-square-foot room used for attentive performance."
        }
      ]
    },
    {
      "id": "fulton-street-collective",
      "name": "Fulton Street Collective",
      "aliases": [
        "FSC",
        "Jazz Record Art Collective"
      ],
      "status": "active",
      "location": {
        "address": "1821 W Hubbard St",
        "city": "Chicago",
        "region": "IL",
        "country": "US",
        "neighborhood": "West Town",
        "lat": 41.8897,
        "lon": -87.672
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://fultonstreetcollective.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Artist-collective loft with a regular live-jazz series (curated by Chris Anderson) and home of the Jazz Record Art Collective listening/performance series.",
          "sources": [
            "https://fultonstreetcollective.com/live-jazz/",
            "https://www.jazzrecordartcollective.com/about.html"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Weekly live-jazz programming plus the Jazz Record Art Collective series.",
          "sources": [
            "https://www.timeout.com/chicago/music/fulton-street-collective-jazz-series"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Books Chicago jazz and improvising musicians in a donation-based loft setting.",
          "sources": [
            "https://www.chicagojazz.com/post/fulton-street-collective-live-jazz"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Artist collective dedicated to the development of artists and the artistic community via shared studios and performance space.",
          "sources": [
            "https://www.theatermania.com/venue/fulton-street-collective/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Artist-run collective; suggested-donation tickets go directly to artists.",
          "sources": [
            "https://fultonstreetcollective.com/live-jazz/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Regarded as one of the top spots in Chicago to hear live jazz in an intimate loft.",
          "sources": [
            "https://www.timeout.com/chicago/music/fulton-street-collective-jazz-series"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Loft gallery/performance room with attentive seated audiences.",
          "sources": [
            "https://www.chicagojazz.com/post/fulton-street-collective-live-jazz"
          ]
        }
      },
      "score": 76,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://fultonstreetcollective.com/live-jazz/",
          "https://www.jazzrecordartcollective.com/about.html"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "7c9a1905e8ef5ff0",
        "crawl_http_status": 200
      },
      "notes": "West Town artist loft; programming spans creative and mainstream jazz. Also the base of the Jazz Record Art Collective.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Artist-collective loft with a regular live-jazz series (curated by Chris Anderson) and home of the Jazz Record Art Collective listening/performance series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Weekly live-jazz programming plus the Jazz Record Art Collective series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Books Chicago jazz and improvising musicians in a donation-based loft setting."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Artist collective dedicated to the development of artists and the artistic community via shared studios and performance space."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Artist-run collective; suggested-donation tickets go directly to artists."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Regarded as one of the top spots in Chicago to hear live jazz in an intimate loft."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Loft gallery/performance room with attentive seated audiences."
        }
      ]
    },
    {
      "id": "high-desert-soundings",
      "name": "High Desert Soundings",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "83131 Amboy Rd (The Palms Restaurant)",
        "city": "Twentynine Palms",
        "region": "CA",
        "country": "US",
        "neighborhood": "Wonder Valley",
        "lat": 34.158,
        "lon": -115.933
      },
      "type": "festival",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://highdesertsoundings.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "A two-day outdoor festival focused on experimental, improvisational and immersive performance, held at The Palms in Wonder Valley near Joshua Tree.",
          "sources": [
            "https://highdesertsoundings.com/about-hds",
            "https://en.wikipedia.org/wiki/High_Desert_Soundings"
          ]
        },
        "show_frequency": {
          "value": 1,
          "evidence": "Annual festival (e.g., Oct 10-11, 2025) rather than a recurring in-year series.",
          "sources": [
            "https://highdesertsoundings.com/menu"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Programs sound artists across new/contemporary concert music, free jazz and improvisation, noise, drone and outsider pop (e.g., Vinny Golia Quintet, Ulrich Krieger & Jason Kahn).",
          "sources": [
            "https://z1077fm.com/wonder-valley-experimental-music-festival-returns-to-the-palms-this-saturday/",
            "https://en.wikipedia.org/wiki/High_Desert_Soundings"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Dedicated to presenting performances across the spectrum of experimental sound practices.",
          "sources": [
            "https://highdesertsoundings.com/about-hds"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Artist-founded and artist-curated (cellist T.J. Borden with Daniel Meyer-O'Keeffe, later Ethan Marks); fiscally sponsored/donation-supported.",
          "sources": [
            "https://en.wikipedia.org/wiki/High_Desert_Soundings",
            "https://fundraising.fracturedatlas.org/high-desert-soundings"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized high-desert experimental festival covered by regional press.",
          "sources": [
            "https://www.hidesertstar.com/deserttrail/wonder-valley-to-host-experimental-music-festival/article_0d0441ae-5e24-11ee-809a-279ee464db02.html"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Outdoor festival staging at a desert restaurant rather than a dedicated listening room.",
          "sources": [
            "https://highdesertsoundings.com/about-hds"
          ]
        }
      },
      "score": 76,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://highdesertsoundings.com/about-hds",
          "https://en.wikipedia.org/wiki/High_Desert_Soundings",
          "https://z1077fm.com/wonder-valley-experimental-music-festival-returns-to-the-palms-this-saturday/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "1dea3fd3f743e7ed",
        "crawl_http_status": 200
      },
      "notes": "Annual experimental/free-jazz/improv festival at The Palms in Wonder Valley (high desert near Joshua Tree). Coordinates are the Wonder Valley festival site.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "A two-day outdoor festival focused on experimental, improvisational and immersive performance, held at The Palms in Wonder Valley near Joshua Tree."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 1.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 20,
          "evidence": "Annual festival (e.g., Oct 10-11, 2025) rather than a recurring in-year series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Programs sound artists across new/contemporary concert music, free jazz and improvisation, noise, drone and outsider pop (e.g., Vinny Golia Quintet, Ulrich Krieger & Jason Kahn)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Dedicated to presenting performances across the spectrum of experimental sound practices."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Artist-founded and artist-curated (cellist T.J. Borden with Daniel Meyer-O'Keeffe, later Ethan Marks); fiscally sponsored/donation-supported."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized high-desert experimental festival covered by regional press."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Outdoor festival staging at a desert restaurant rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "la-dynamo-banlieues-bleues-pantin",
      "name": "La Dynamo de Banlieues Bleues",
      "aliases": [
        "La Dynamo"
      ],
      "status": "active",
      "location": {
        "address": "9 rue Gabrielle Josserand",
        "city": "Pantin",
        "region": "Ile-de-France",
        "country": "FR",
        "neighborhood": "Quatre-Chemins",
        "lat": 48.8975,
        "lon": 2.392
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.banlieuesbleues.org/dynamo/la-dynamo/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Opened in 2006 as the first hall in France built specifically for jazz and improvised music, in a rehabilitated former jute-bag factory.",
          "sources": [
            "https://www.banlieuesbleues.org/dynamo/la-dynamo/",
            "https://www.europejazz.net/profile/banlieues-bleues-la-dynamo"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Annual concert programming and residencies, plus the four-week Banlieues Bleues festival each spring.",
          "sources": [
            "https://www.banlieuesbleues.org/dynamo/qui-sommes-nous/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Hosts Ile-de-France groups in residency and festival artists spanning jazz and related improvised styles, with a broad, pioneering artistic direction.",
          "sources": [
            "https://www.banlieuesbleues.org/dynamo/qui-sommes-nous/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "A production and dissemination tool for jazz and improvised musical creation.",
          "sources": [
            "https://www.banlieuesbleues.org/dynamo/la-dynamo/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Run by the nonprofit Banlieues Bleues association with public support in Seine-Saint-Denis.",
          "sources": [
            "https://www.europejazz.net/profile/banlieues-bleues-la-dynamo"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "A reference tool for jazz creation in the Paris region; member of the Europe Jazz Network.",
          "sources": [
            "https://www.europejazz.net/profile/banlieues-bleues-la-dynamo"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Purpose-built concert hall for jazz and improvised music.",
          "sources": [
            "https://www.parisjazzclub.net/en/841/club/la-dynamo-de-banlieues-bleues"
          ]
        }
      },
      "score": 76,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.banlieuesbleues.org/dynamo/la-dynamo/",
          "https://www.europejazz.net/profile/banlieues-bleues-la-dynamo"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "605cb897f914767b",
        "crawl_http_status": 200
      },
      "notes": "Purpose-built jazz/improv hall in Pantin, home base of the Banlieues Bleues festival.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Opened in 2006 as the first hall in France built specifically for jazz and improvised music, in a rehabilitated former jute-bag factory."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Annual concert programming and residencies, plus the four-week Banlieues Bleues festival each spring."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Hosts Ile-de-France groups in residency and festival artists spanning jazz and related improvised styles, with a broad, pioneering artistic direction."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "A production and dissemination tool for jazz and improvised musical creation."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Run by the nonprofit Banlieues Bleues association with public support in Seine-Saint-Denis."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "A reference tool for jazz creation in the Paris region; member of the Europe Jazz Network."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Purpose-built concert hall for jazz and improvised music."
        }
      ]
    },
    {
      "id": "punctum-krasovka-prague",
      "name": "Punctum - Kr\u00e1sovka",
      "aliases": [
        "Punctum"
      ],
      "status": "active",
      "location": {
        "address": "Kr\u00e1sova 27",
        "city": "Prague",
        "region": "Prague",
        "country": "CZ",
        "neighborhood": "\u017di\u017ekov",
        "lat": 50.0865,
        "lon": 14.456
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 80,
      "website": "https://punctum.cz/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Community music space running the resident Sonitus concert series and Punctum Tapes label; programs free improvisation, noise and experimental electronics.",
          "sources": [
            "https://punctum.cz/",
            "https://agosto-foundation.org/punctum-krasovka"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular concerts and events, connecting subcultural music communities.",
          "sources": [
            "https://punctum.cz/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Concerts ranging from free improvisation and noise to psychedelic electronics.",
          "sources": [
            "https://agosto-foundation.org/punctum-krasovka"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Frames itself as a community platform providing space to contemporary/experimental music.",
          "sources": [
            "https://agosto-foundation.org/punctum-krasovka"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Community-run DIY space founded 2015 by the Altered Shapes collective.",
          "sources": [
            "https://daily.bandcamp.com/scene-report/prague-experimental-scene-report"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Cited in Prague experimental/underground scene reports.",
          "sources": [
            "https://daily.bandcamp.com/scene-report/prague-experimental-scene-report"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Cosy studio (~50-80 capacity) with good acoustics and in-house PA.",
          "sources": [
            "https://punctum.cz/"
          ]
        }
      },
      "score": 76,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://punctum.cz/",
          "https://agosto-foundation.org/punctum-krasovka",
          "https://daily.bandcamp.com/scene-report/prague-experimental-scene-report"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "c76c4cb59f4d8e4b",
        "crawl_http_status": 200
      },
      "notes": "DIY community venue in \u017di\u017ekov; free improv, noise and experimental music via the Sonitus series. Address/coords approximate.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Community music space running the resident Sonitus concert series and Punctum Tapes label; programs free improvisation, noise and experimental electronics."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular concerts and events, connecting subcultural music communities."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Concerts ranging from free improvisation and noise to psychedelic electronics."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Frames itself as a community platform providing space to contemporary/experimental music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Community-run DIY space founded 2015 by the Altered Shapes collective."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Cited in Prague experimental/underground scene reports."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Cosy studio (~50-80 capacity) with good acoustics and in-house PA."
        }
      ]
    },
    {
      "id": "visible-records",
      "name": "Visible Records",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "1740 Broadway St",
        "city": "Charlottesville",
        "region": "VA",
        "country": "US",
        "neighborhood": "Woolen Mills",
        "lat": 38.0199,
        "lon": -78.47
      },
      "type": "gallery",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.visible-records.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "For several years has been home to improvisational and experimental music across genres; hosts recurring improv/experimental nights.",
          "sources": [
            "https://www.visible-records.com/",
            "https://allevents.in/charlottesville/a-night-of-improvisational-percussion/200028369894651"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular independent music events alongside gallery programming.",
          "sources": [
            "https://www.jazznearyou.com/charlottesville/venues/visible-records"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Presents improvisers and experimental musicians (e.g. improvisational percussion nights; Charlottesville Jazz Society presentations).",
          "sources": [
            "https://allevents.in/charlottesville/a-night-of-improvisational-percussion/200028369894651",
            "https://www.visible-records.com/commonspaceevents/charlottesville-jazz-society-presents"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Artist-run gallery/studio space that describes itself as a home for improvisational and experimental music.",
          "sources": [
            "https://www.visible-records.com/",
            "https://arts.virginia.edu/node/1068"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Affordable artist-run gallery and studio space opened 2021 in a former data warehouse.",
          "sources": [
            "https://arts.virginia.edu/node/1068"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized as Charlottesville's key alternative/experimental arts space.",
          "sources": [
            "https://arts.virginia.edu/node/1068"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Gallery setting used for attentive performance.",
          "sources": [
            "https://www.visible-records.com/"
          ]
        }
      },
      "score": 76,
      "tier": "committed",
      "confidence": 0.72,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.visible-records.com/",
          "https://arts.virginia.edu/node/1068",
          "https://allevents.in/charlottesville/a-night-of-improvisational-percussion/200028369894651"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "bb7fc260a35b732b",
        "crawl_http_status": 200
      },
      "notes": "Artist-run gallery/studio in Charlottesville that has become a regular home for improvised and experimental music.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "For several years has been home to improvisational and experimental music across genres; hosts recurring improv/experimental nights."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular independent music events alongside gallery programming."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Presents improvisers and experimental musicians (e.g. improvisational percussion nights; Charlottesville Jazz Society presentations)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Artist-run gallery/studio space that describes itself as a home for improvisational and experimental music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Affordable artist-run gallery and studio space opened 2021 in a former data warehouse."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized as Charlottesville's key alternative/experimental arts space."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Gallery setting used for attentive performance."
        }
      ]
    },
    {
      "id": "charlotte-street-foundation",
      "name": "Charlotte Street Foundation",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "3333 Wyoming St",
        "city": "Kansas City",
        "region": "MO",
        "country": "US",
        "neighborhood": "Midtown",
        "lat": 39.0642,
        "lon": -94.5958
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://charlottestreet.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Hosts EMAS Presents, an experimental and improvised music series (curated by Seth Andrew Davis and Evan Verploegh) extending the Extemporaneous Music & Arts Society to grow Kansas City's improvised-music community.",
          "sources": [
            "https://charlottestreet.org/emas-presents/",
            "https://www.kcur.org/arts-life/2024-04-12/in-kansas-city-musicians-are-building-an-experimental-scene-that-is-underground-by-design"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Recurring EMAS Presents dates (e.g., monthly events) on the campus calendar.",
          "sources": [
            "https://charlottestreet.org/event/emas-presents-october-2026/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "EMAS presents local, national and international improvised-music practitioners.",
          "sources": [
            "https://charlottestreet.org/emas-presents/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Artist-support foundation whose EMAS series is explicitly experimental/improvised.",
          "sources": [
            "https://charlottestreet.org/emas-presents/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit arts foundation (est. 1997) with studios and performance venues.",
          "sources": [
            "https://charlottestreet.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Cited by KCUR as key infrastructure for Kansas City's otherwise underground experimental scene.",
          "sources": [
            "https://www.kcur.org/arts-life/2024-04-12/in-kansas-city-musicians-are-building-an-experimental-scene-that-is-underground-by-design"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://charlottestreet.org/venues/"
          ]
        }
      },
      "score": 75,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://charlottestreet.org/emas-presents/",
          "https://www.kcur.org/arts-life/2024-04-12/in-kansas-city-musicians-are-building-an-experimental-scene-that-is-underground-by-design"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "0c8e109050fcab99",
        "crawl_http_status": 200
      },
      "notes": "Kansas City nonprofit; its EMAS Presents series is the anchor for the city's improvised/experimental music community.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Hosts EMAS Presents, an experimental and improvised music series (curated by Seth Andrew Davis and Evan Verploegh) extending the Extemporaneous Music & Arts Society to grow Kansas City's improvised-music community."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Recurring EMAS Presents dates (e.g., monthly events) on the campus calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "EMAS presents local, national and international improvised-music practitioners."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Artist-support foundation whose EMAS series is explicitly experimental/improvised."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit arts foundation (est. 1997) with studios and performance venues."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Cited by KCUR as key infrastructure for Kansas City's otherwise underground experimental scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "rhizome-dc",
      "name": "Rhizome DC",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Washington",
        "region": "DC",
        "country": "US",
        "lat": 38.97,
        "lon": -77.02
      },
      "type": "diy_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.rhizomedc.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "House-based nonprofit arts space widely associated with experimental and improvised music in DC."
        },
        "show_frequency": {
          "value": 3
        },
        "artist_roster": {
          "value": 4
        },
        "self_description": {
          "value": 4
        },
        "operating_model": {
          "value": 5,
          "evidence": "Community nonprofit / DIY arts space."
        },
        "community_reputation": {
          "value": 3
        },
        "listening_room": {
          "value": 3
        }
      },
      "score": 75,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ae6c71b8b12e0ac3",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: not re-verified this session; confirm current programming and address.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "House-based nonprofit arts space widely associated with experimental and improvised music in DC."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Community nonprofit / DIY arts space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "splendor-amsterdam",
      "name": "Splendor",
      "aliases": [
        "Splendor Amsterdam"
      ],
      "status": "active",
      "location": {
        "address": "Nieuwe Uilenburgerstraat 116",
        "city": "Amsterdam",
        "region": "Noord-Holland",
        "country": "NL",
        "lat": 52.369,
        "lon": 4.906
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://splendoramsterdam.com/en/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "A club for every kind of music founded by ~50 musicians as a musical laboratory where experimentation knows no bounds; improvisation and new music are core strands alongside classical and jazz.",
          "sources": [
            "https://splendoramsterdam.com/en/about-splendor"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Building is used by its musician-members 365 days a year, with frequent member concerts.",
          "sources": [
            "https://splendoramsterdam.com/en/about-splendor"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "54 musician-members spanning contemporary, improvised, jazz and classical practice perform regularly.",
          "sources": [
            "https://splendoramsterdam.com/en/musicians"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "A meeting place, club, workspace and musical laboratory for experimentation.",
          "sources": [
            "https://splendoramsterdam.com/en/about-splendor"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Musician-owned collective, invested in and run by its members with volunteers and donors.",
          "sources": [
            "https://splendoramsterdam.com/en/about-splendor"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Well-regarded Amsterdam musicians' collective in a converted 1920s bathhouse.",
          "sources": [
            "https://www.jazznearyou.com/amsterdam/venue/splendor-amsterdam"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Grote and Kleine Zaal concert halls converted from the former bathhouse.",
          "sources": [
            "https://splendoramsterdam.com/en/about-splendor"
          ]
        }
      },
      "score": 75,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://splendoramsterdam.com/en/about-splendor",
          "https://splendoramsterdam.com/en/musicians"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "3a4835dfcc522064",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: musician-run collective spanning classical/jazz/improv; confirm share of free/improvised programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "A club for every kind of music founded by ~50 musicians as a musical laboratory where experimentation knows no bounds; improvisation and new music are core strands alongside classical and jazz."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Building is used by its musician-members 365 days a year, with frequent member concerts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "54 musician-members spanning contemporary, improvised, jazz and classical practice perform regularly."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "A meeting place, club, workspace and musical laboratory for experimentation."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Musician-owned collective, invested in and run by its members with volunteers and donors."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Well-regarded Amsterdam musicians' collective in a converted 1920s bathhouse."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Grote and Kleine Zaal concert halls converted from the former bathhouse."
        }
      ]
    },
    {
      "id": "albany-sonic-arts-collective",
      "name": "Albany Sonic Arts Collective",
      "aliases": [
        "ASAC"
      ],
      "status": "active",
      "location": {
        "city": "Albany",
        "region": "NY",
        "country": "US",
        "lat": 42.6612,
        "lon": -73.7676
      },
      "type": "presenter",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://fieldguide.hollandhopson.com/tag/albany-sonic-arts-collective/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Grassroots collective dedicated to music that stresses freedom and exploration of new ideas; presents improvised and experimental performances (has hosted events at the Upstate Artists Guild and with the soundBarn).",
          "sources": [
            "https://fieldguide.hollandhopson.com/tag/albany-sonic-arts-collective/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Presents periodic experimental/improvised events around the Albany area.",
          "sources": [
            "https://fieldguide.hollandhopson.com/tag/albany-sonic-arts-collective/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Members and guests include improvisers and experimental artists such as Holland Hopson and Eric Hardiman (Rambutan / Tape Drift Records).",
          "sources": [
            "https://fieldguide.hollandhopson.com/tag/eric-hardiman/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-described as dedicated to music outside traditional boundaries that stresses freedom and exploration.",
          "sources": [
            "https://fieldguide.hollandhopson.com/tag/albany-sonic-arts-collective/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Grassroots, artist-run DIY collective.",
          "sources": [
            "https://fieldguide.hollandhopson.com/tag/albany-sonic-arts-collective/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Long-standing anchor of the Capital Region experimental/improv scene.",
          "sources": [
            "https://fieldguide.hollandhopson.com/tag/albany-sonic-arts-collective/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents attentive experimental performances at host spaces.",
          "sources": [
            "https://fieldguide.hollandhopson.com/tag/albany-sonic-arts-collective/"
          ]
        }
      },
      "score": 74,
      "tier": "committed",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://fieldguide.hollandhopson.com/tag/albany-sonic-arts-collective/",
          "https://fieldguide.hollandhopson.com/tag/eric-hardiman/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "edd7c87d4961648b",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: mission and roster clearly free-improv, but much online documentation is older (blog archives); confirm current activity level and a working primary URL. Coordinates set to Albany center.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Grassroots collective dedicated to music that stresses freedom and exploration of new ideas; presents improvised and experimental performances (has hosted events at the Upstate Artists Guild and with the soundBarn)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Presents periodic experimental/improvised events around the Albany area."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Members and guests include improvisers and experimental artists such as Holland Hopson and Eric Hardiman (Rambutan / Tape Drift Records)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Self-described as dedicated to music outside traditional boundaries that stresses freedom and exploration."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Grassroots, artist-run DIY collective."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Long-standing anchor of the Capital Region experimental/improv scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents attentive experimental performances at host spaces."
        }
      ]
    },
    {
      "id": "bop-shop-records",
      "name": "Bop Shop Records",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "1460 Monroe Ave",
        "city": "Rochester",
        "region": "NY",
        "country": "US",
        "lat": 43.1379,
        "lon": -77.571
      },
      "type": "record_store",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://bopshop.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Independent record store where owner Tom Kohn has presented jazz, experimental and improvised concerts for 30+ years, including improvised/Just Intonation projects.",
          "sources": [
            "https://bopshop.com/about-us",
            "https://www.roccitymag.com/music/tom-kohn-and-bop-shop-records-celebrate-30-years-of-concerts-8812830/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequently hosts jazz, experimental and improvised concerts; performances also air as \"Bop Shop Live\" on Jazz90.1.",
          "sources": [
            "https://bopshop.com/jazz901"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Presents internationally renowned and emerging improvisers exploring new work.",
          "sources": [
            "https://www.jazznearyou.com/rochester/venue/bop-shop-records__21948"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Frames its concert series around exciting new and experimental work, filling a gap in the community.",
          "sources": [
            "https://bopshop.com/about-us"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Privately owned independent record store presenting concerts.",
          "sources": [
            "https://bopshop.com/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Rochester institution recognized for 30 years of creative-music concerts.",
          "sources": [
            "https://www.roccitymag.com/music/tom-kohn-and-bop-shop-records-celebrate-30-years-of-concerts-8812830/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate in-store listening setting.",
          "sources": [
            "https://www.jazznearyou.com/rochester/venue/bop-shop-records__21948"
          ]
        }
      },
      "score": 74,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://bopshop.com/about-us",
          "https://www.roccitymag.com/music/tom-kohn-and-bop-shop-records-celebrate-30-years-of-concerts-8812830/",
          "https://bopshop.com/jazz901"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "bb4a098bb5200cc3",
        "crawl_http_status": 200
      },
      "notes": "Rochester record store with a decades-long jazz/experimental/improvised concert series; coordinates approximate to Monroe Ave.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Independent record store where owner Tom Kohn has presented jazz, experimental and improvised concerts for 30+ years, including improvised/Just Intonation projects."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequently hosts jazz, experimental and improvised concerts; performances also air as \"Bop Shop Live\" on Jazz90.1."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Presents internationally renowned and emerging improvisers exploring new work."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Frames its concert series around exciting new and experimental work, filling a gap in the community."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Privately owned independent record store presenting concerts."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Rochester institution recognized for 30 years of creative-music concerts."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate in-store listening setting."
        }
      ]
    },
    {
      "id": "bozeman-library-improvised-music-series",
      "name": "Bozeman Public Library Improvised Music Series",
      "aliases": [
        "Improvised Music Concert Series"
      ],
      "status": "active",
      "location": {
        "address": "626 E Main St",
        "city": "Bozeman",
        "region": "MT",
        "country": "US",
        "lat": 45.6796,
        "lon": -111.025
      },
      "type": "presenter",
      "operating_model": "municipal",
      "capacity": null,
      "website": "https://www.explorebigsky.com/bozeman-public-library-announces-lineup-for-improvised-music-series/52040",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 5,
          "evidence": "A named Improvised Music Concert Series presenting free Saturday-afternoon concerts of improvised music on the second floor of the Bozeman Public Library.",
          "sources": [
            "https://www.explorebigsky.com/bozeman-public-library-announces-lineup-for-improvised-music-series/52040"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "A seasonal run of roughly nine free afternoon concerts.",
          "sources": [
            "https://www.explorebigsky.com/bozeman-public-library-announces-lineup-for-improvised-music-series/52040"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Regional improvisers plus visiting artists (e.g. Philadelphia vibraphonist Silas Stewart), directed by Bozeman guitarist/bassist Craig Hall.",
          "sources": [
            "https://www.explorebigsky.com/bozeman-public-library-announces-lineup-for-improvised-music-series/52040"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Presents \"revolving and conjoined snippets\" of improvised thick-harmony jazz, folk and manipulated electronics for the modern rural improviser.",
          "sources": [
            "https://www.explorebigsky.com/bozeman-public-library-announces-lineup-for-improvised-music-series/52040"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Hosted free of charge by the municipal public library.",
          "sources": [
            "https://www.explorebigsky.com/bozeman-public-library-announces-lineup-for-improvised-music-series/52040"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Locally covered improvised-music series; niche but a rare dedicated outlet in the region.",
          "sources": [
            "https://www.explorebigsky.com/bozeman-public-library-announces-lineup-for-improvised-music-series/52040"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Free, seated afternoon concerts in a library reading room.",
          "sources": [
            "https://www.explorebigsky.com/bozeman-public-library-announces-lineup-for-improvised-music-series/52040"
          ]
        }
      },
      "score": 74,
      "tier": "committed",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.explorebigsky.com/bozeman-public-library-announces-lineup-for-improvised-music-series/52040"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 403,
          "detail": "HTTP 403"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "1c873cfe3be41445",
        "crawl_http_status": 200
      },
      "notes": "A dedicated free improvised-music series at the Bozeman Public Library, directed by Craig Hall. Verified via a single Explore Big Sky article; current-season status should be reconfirmed.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 5,
          "max_value": 5,
          "points": 25.0,
          "max_points": 25,
          "evidence": "A named Improvised Music Concert Series presenting free Saturday-afternoon concerts of improvised music on the second floor of the Bozeman Public Library."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "A seasonal run of roughly nine free afternoon concerts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Regional improvisers plus visiting artists (e.g. Philadelphia vibraphonist Silas Stewart), directed by Bozeman guitarist/bassist Craig Hall."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Presents \"revolving and conjoined snippets\" of improvised thick-harmony jazz, folk and manipulated electronics for the modern rural improviser."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Hosted free of charge by the municipal public library."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Locally covered improvised-music series; niche but a rare dedicated outlet in the region."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Free, seated afternoon concerts in a library reading room."
        }
      ]
    },
    {
      "id": "brotz-gothenburg",
      "name": "Br\u00f6tz",
      "aliases": [
        "Br\u00f6tz Jazzklubb"
      ],
      "status": "active",
      "location": {
        "address": "Konstepidemin, Konstepidemins v\u00e4g 6",
        "city": "Gothenburg",
        "region": "V\u00e4stra G\u00f6taland",
        "country": "SE",
        "lat": 57.6899,
        "lon": 11.9487
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 80,
      "website": "https://www.brotznow.se/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Club dedicated to jazz and improvised music, focused on free jazz and improvisation; named after Peter Br\u00f6tzmann.",
          "sources": [
            "https://www.brotznow.se/",
            "https://www.jazznearyou.com/gothenburg/venue/brotz"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular weekly concerts (Wednesdays) at Konstepidemin.",
          "sources": [
            "https://www.jazznearyou.com/gothenburg/venue/brotz"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs free jazz and improvising artists; involved in European improvisation projects.",
          "sources": [
            "https://www.europejazz.net/news/gothenburg-free-spirit-%E2%80%93-new-festival-free-sounds-and-open-encounters"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Self-identifies with free jazz and improvisation (the name references the \"br\u00f6tz\" overblown-sax style).",
          "sources": [
            "https://www.jazznearyou.com/gothenburg/venue/brotz"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Long-running nonprofit jazz club run for and by the improvised music scene.",
          "sources": [
            "https://www.brotznow.se/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://www.freejazzblog.org/2012/09/brotzmann-week-prologue.html"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Small dedicated listening club at Konstepidemin arts colony.",
          "sources": [
            "https://www.jazznearyou.com/gothenburg/venue/brotz"
          ]
        }
      },
      "score": 74,
      "tier": "committed",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.brotznow.se/",
          "https://www.jazznearyou.com/gothenburg/venue/brotz"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "acf1b9b082b9dba4",
        "crawl_http_status": 200
      },
      "notes": "Gothenburg club dedicated to free jazz and improvised music, named after Peter Br\u00f6tzmann.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Club dedicated to jazz and improvised music, focused on free jazz and improvisation; named after Peter Br\u00f6tzmann."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular weekly concerts (Wednesdays) at Konstepidemin."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs free jazz and improvising artists; involved in European improvisation projects."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Self-identifies with free jazz and improvisation (the name references the \"br\u00f6tz\" overblown-sax style)."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Long-running nonprofit jazz club run for and by the improvised music scene."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Small dedicated listening club at Konstepidemin arts colony."
        }
      ]
    },
    {
      "id": "eta-highland-park",
      "name": "ETA",
      "aliases": [
        "ETA Highland Park"
      ],
      "status": "closed",
      "location": {
        "address": "5630 N Figueroa St",
        "city": "Los Angeles",
        "region": "CA",
        "country": "US",
        "neighborhood": "Highland Park",
        "lat": 34.1105,
        "lon": -118.1935
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": null,
      "active_this_year": false,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "A neighborhood bar that hosted Jeff Parker's long-running Monday residency (from 2018), which became an essential meeting place for LA's experimental jazz/improv community until the venue closed Dec 2023.",
          "sources": [
            "https://insheepsclothinghifi.com/sml/",
            "https://www.coloradoboulevard.net/goodbye-eta-you-were-a-real-slice/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Weekly Monday improvised-music residency plus additional creative-music nights.",
          "sources": [
            "https://insheepsclothinghifi.com/sml/"
          ]
        },
        "artist_roster": {
          "value": 5,
          "evidence": "Home base for the Jeff Parker ETA IVtet (Anna Butterss, Josh Johnson, Jay Bellerose) and a wider community of LA experimental improvisers.",
          "sources": [
            "https://intlanthem.bandcamp.com/album/the-way-out-of-easy",
            "https://www.h-music.fr/post/jeff-parker-eta-ivtet"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "A small, casual neighborhood bar rather than a self-described experimental venue.",
          "sources": [
            "https://www.coloradoboulevard.net/goodbye-eta-you-were-a-real-slice/"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial bar.",
          "sources": [
            "https://www.coloradoboulevard.net/goodbye-eta-you-were-a-real-slice/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Renowned as the crucible of a celebrated LA improvised-music scene; the ETA IVtet's live recordings are widely acclaimed.",
          "sources": [
            "https://intlanthem.bandcamp.com/album/the-way-out-of-easy"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Long narrow bar where the music happened close-up.",
          "sources": [
            "https://insheepsclothinghifi.com/sml/"
          ]
        }
      },
      "score": 74,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://insheepsclothinghifi.com/sml/",
          "https://www.coloradoboulevard.net/goodbye-eta-you-were-a-real-slice/",
          "https://intlanthem.bandcamp.com/album/the-way-out-of-easy"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "skipped"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "f9fa14f0e36c33f7",
        "crawl_http_status": 200
      },
      "notes": "CLOSED Dec 2023. Highland Park bar whose Jeff Parker Monday residency anchored a major LA experimental-improv community; score reflects its active-era programming. Legacy entry.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "A neighborhood bar that hosted Jeff Parker's long-running Monday residency (from 2018), which became an essential meeting place for LA's experimental jazz/improv community until the venue closed Dec 2023."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Weekly Monday improvised-music residency plus additional creative-music nights."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 5,
          "max_value": 5,
          "points": 20.0,
          "max_points": 20,
          "evidence": "Home base for the Jeff Parker ETA IVtet (Anna Butterss, Josh Johnson, Jay Bellerose) and a wider community of LA experimental improvisers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "A small, casual neighborhood bar rather than a self-described experimental venue."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial bar."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Renowned as the crucible of a celebrated LA improvised-music scene; the ETA IVtet's live recordings are widely acclaimed."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Long narrow bar where the music happened close-up."
        }
      ]
    },
    {
      "id": "jazz-central-studios",
      "name": "Jazz Central Studios",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "407 Central Ave SE",
        "city": "Minneapolis",
        "region": "MN",
        "country": "US",
        "neighborhood": "Old St. Anthony",
        "lat": 44.9878,
        "lon": -93.2568
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 50,
      "website": "https://www.jazzcentralstudios.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Nonprofit performance/education space dedicated to jazz and improvised music, with near-nightly concerts, jam sessions and masterclasses.",
          "sources": [
            "https://www.jazzcentralstudios.org/",
            "https://www.oldtownmpls.com/business-directory-blog/jazzcentralstudios"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent (multiple nights per week) live-jazz and improvised programming.",
          "sources": [
            "https://www.jazzcentralstudios.org/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books the Twin Cities jazz community; roster spans mainstream and improvised jazz.",
          "sources": [
            "https://www.jazzpolice.com/archives/9574"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "'A multifaceted creative space dedicated to jazz and improvised music.'",
          "sources": [
            "https://www.jazzcentralstudios.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Tax-exempt nonprofit strengthening the Twin Cities jazz community.",
          "sources": [
            "https://www.jazzcentralstudios.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Well-established hub in Twin Cities jazz-venue guides.",
          "sources": [
            "https://www.jazzpolice.com/archives/9574"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate 1,800 sq ft room seating up to 50 for attentive listening.",
          "sources": [
            "https://www.jazzcentralstudios.org/"
          ]
        }
      },
      "score": 74,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.jazzcentralstudios.org/",
          "https://www.oldtownmpls.com/business-directory-blog/jazzcentralstudios"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "23b98e0a2ec04aca",
        "crawl_http_status": 200
      },
      "notes": "Nonprofit Minneapolis jazz room; dedicated to jazz and improvised music though much of the calendar is straight-ahead.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Nonprofit performance/education space dedicated to jazz and improvised music, with near-nightly concerts, jam sessions and masterclasses."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent (multiple nights per week) live-jazz and improvised programming."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Books the Twin Cities jazz community; roster spans mainstream and improvised jazz."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "'A multifaceted creative space dedicated to jazz and improvised music.'"
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Tax-exempt nonprofit strengthening the Twin Cities jazz community."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Well-established hub in Twin Cities jazz-venue guides."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate 1,800 sq ft room seating up to 50 for attentive listening."
        }
      ]
    },
    {
      "id": "kid-ailack-art-hall-tokyo",
      "name": "Kid Ailack Art Hall",
      "aliases": [
        "Kid Ailack Hall"
      ],
      "status": "active",
      "location": {
        "address": "2-43-11 Matsubara, Setagaya-ku",
        "city": "Tokyo",
        "region": "Tokyo",
        "country": "JP",
        "neighborhood": "Meidaimae",
        "lat": 35.6689,
        "lon": 139.65
      },
      "type": "arts_center",
      "operating_model": "artist_run",
      "capacity": 100,
      "website": "https://www.kidailack.co.jp/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Long-standing home of experimental/improv series including Taku Sugimoto's Composition Series; its Onkyo Room nodded directly to the onkyokei genre.",
          "sources": [
            "https://www.tokyogigguide.com/en/gigs/venue/428-kid-ailack-art-hall",
            "https://grokipedia.com/page/Onkyokei"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular recurring concerts, several per month across music, dance and butoh.",
          "sources": [
            "https://www.tokyogigguide.com/en/gigs/venue/428-kid-ailack-art-hall"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Platform for experimental improvisers (Tetuzi Akiyama, Taku Sugimoto, historic New Direction Unit recordings) and free-improv/dance crossovers.",
          "sources": [
            "https://creativesources.bandcamp.com/album/ailack",
            "https://www.tokyogigguide.com/en/gigs/venue/428-kid-ailack-art-hall"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Multi-space art hall for exhibitions, performance and live music with a strong experimental/improv identity.",
          "sources": [
            "https://www.tokyogigguide.com/en/gigs/venue/428-kid-ailack-art-hall"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist-run art hall with cafe and multiple performance rooms.",
          "sources": [
            "https://www.tokyogigguide.com/en/gigs/venue/428-kid-ailack-art-hall"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Documented incubator of Tokyo's onkyo/experimental scene since the late 1990s.",
          "sources": [
            "https://grokipedia.com/page/Onkyokei"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated hall for attentive listening to quiet improvisation and performance.",
          "sources": [
            "https://www.tokyogigguide.com/en/gigs/venue/428-kid-ailack-art-hall"
          ]
        }
      },
      "score": 74,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.tokyogigguide.com/en/gigs/venue/428-kid-ailack-art-hall",
          "https://grokipedia.com/page/Onkyokei",
          "https://creativesources.bandcamp.com/album/ailack"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "unreachable",
          "detail": "URLError: <urlopen error [Errno 8] nodename nor servname provided, or not known>"
        },
        "last_crawled": "2026-08-17",
        "last_crawl_error": "HTTPSConnectionPool(host='www.kidailack.co.jp', port=443): Max retries exceeded with url: / (Caused by NameResolutionError(\"HTTPSConnection(host='www.kidailack.co.jp', port=443): Failed to resolve 'ww"
      },
      "notes": "Meidaimae art hall central to the onkyokei/quiet-improvisation scene; hosts Taku Sugimoto's Composition Series.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Long-standing home of experimental/improv series including Taku Sugimoto's Composition Series; its Onkyo Room nodded directly to the onkyokei genre."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular recurring concerts, several per month across music, dance and butoh."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Platform for experimental improvisers (Tetuzi Akiyama, Taku Sugimoto, historic New Direction Unit recordings) and free-improv/dance crossovers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Multi-space art hall for exhibitions, performance and live music with a strong experimental/improv identity."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist-run art hall with cafe and multiple performance rooms."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Documented incubator of Tokyo's onkyo/experimental scene since the late 1990s."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated hall for attentive listening to quiet improvisation and performance."
        }
      ]
    },
    {
      "id": "nanahari-tokyo",
      "name": "Nanahari",
      "aliases": [
        "\u4e03\u91dd",
        ".ftftftf."
      ],
      "status": "active",
      "location": {
        "address": "Higashi-Nihonbashi, Chuo-ku",
        "city": "Tokyo",
        "region": "Tokyo",
        "country": "JP",
        "neighborhood": "Higashi-Nihonbashi",
        "lat": 35.691,
        "lon": 139.7835
      },
      "type": "dedicated_space",
      "operating_model": "artist_run",
      "capacity": 40,
      "website": "https://www.tokyoartbeat.com/en/venues/-/94D3FD7A",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Basement space open since 2006, described as one of Tokyo's most avant-garde basements and a regular stop for improv musicians.",
          "sources": [
            "https://www.timeout.com/tokyo/music/nanahari"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular improvised/experimental performances alongside cross-arts programming.",
          "sources": [
            "https://www.tokyogigguide.com/en/gigs/venue/102"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "A regular stop for local and touring improvisers; documented on numerous live experimental recordings.",
          "sources": [
            "https://dinzuartefacts.bandcamp.com/album/nanahari-edit",
            "https://www.timeout.com/tokyo/music/nanahari"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Presents itself as an interdisciplinary showcase for avant-garde music, art, dance and performance.",
          "sources": [
            "https://www.tokyoartbeat.com/en/venues/-/94D3FD7A"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist-run basement space.",
          "sources": [
            "https://www.tokyoartbeat.com/en/venues/-/94D3FD7A"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Frequently cited stop on the Tokyo improv circuit.",
          "sources": [
            "https://www.timeout.com/tokyo/music/nanahari"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Small basement focused on the performance.",
          "sources": [
            "https://www.timeout.com/tokyo/music/nanahari"
          ]
        }
      },
      "score": 74,
      "tier": "committed",
      "confidence": 0.68,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.timeout.com/tokyo/music/nanahari",
          "https://www.tokyoartbeat.com/en/venues/-/94D3FD7A",
          "https://www.tokyogigguide.com/en/gigs/venue/102"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "131bb9c93eb10305",
        "crawl_http_status": 200
      },
      "notes": "Avant-garde basement (est. 2006) near Higashi-Nihonbashi/Bakurocho; regular stop for local and touring improvisers.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Basement space open since 2006, described as one of Tokyo's most avant-garde basements and a regular stop for improv musicians."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular improvised/experimental performances alongside cross-arts programming."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "A regular stop for local and touring improvisers; documented on numerous live experimental recordings."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Presents itself as an interdisciplinary showcase for avant-garde music, art, dance and performance."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist-run basement space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Frequently cited stop on the Tokyo improv circuit."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Small basement focused on the performance."
        }
      ]
    },
    {
      "id": "lilypad",
      "name": "Lilypad",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Cambridge",
        "region": "MA",
        "country": "US",
        "neighborhood": "Inman Square",
        "lat": 42.3736,
        "lon": -71.101
      },
      "type": "diy_space",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://www.lilypadinman.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Small Inman Square room hosting frequent improvised, experimental, and creative-music sets."
        },
        "show_frequency": {
          "value": 4
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Boston-area improvisers."
        },
        "self_description": {
          "value": 3
        },
        "operating_model": {
          "value": 3
        },
        "community_reputation": {
          "value": 3
        },
        "listening_room": {
          "value": 3
        }
      },
      "score": 73,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [],
        "needs_human_review": true,
        "url_corrections": [
          {
            "on": "2026-08-17",
            "from": null,
            "to": "https://www.lilypadinman.com/",
            "why": "record had no website; official site verified live",
            "by": "maintainer:linkcheck-sweep"
          }
        ],
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "a1e6b401b17585af",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: not re-verified this session.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Small Inman Square room hosting frequent improvised, experimental, and creative-music sets."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Boston-area improvisers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": ""
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "pica-portland",
      "name": "Portland Institute for Contemporary Art",
      "aliases": [
        "PICA",
        "Time-Based Art Festival",
        "TBA"
      ],
      "status": "active",
      "location": {
        "address": "15 NE Hancock St",
        "city": "Portland",
        "region": "OR",
        "country": "US",
        "neighborhood": "Northeast Portland",
        "lat": 45.5346,
        "lon": -122.6614
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.pica.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Contemporary-arts institution whose annual Time-Based Art (TBA) Festival programs experimental and boundary-defying music (experimental opera, drone/soundscape, live film scores) alongside performance and visual art.",
          "sources": [
            "https://www.pica.org/events",
            "https://en.wikipedia.org/wiki/Portland_Institute_for_Contemporary_Art"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "A concentrated 10-day September festival plus scattered year-round events; experimental music is one strand of a multidisciplinary program.",
          "sources": [
            "https://www.travelportland.com/events/tba/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Presents local, national and international experimental artists across disciplines including music.",
          "sources": [
            "https://en.wikipedia.org/wiki/Portland_Institute_for_Contemporary_Art"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Dedicated to contemporary and experimental art; TBA is built around work that defies categorization.",
          "sources": [
            "https://www.pica.org/tba/passes"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit contemporary-art organization, founded 1995.",
          "sources": [
            "https://en.wikipedia.org/wiki/Portland_Institute_for_Contemporary_Art"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "TBA hailed by the New York Times as among the country's best contemporary summer/fall festivals.",
          "sources": [
            "https://en.wikipedia.org/wiki/Portland_Institute_for_Contemporary_Art"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Uses varied performance/gallery settings rather than a dedicated listening room.",
          "sources": [
            "https://www.pica.org/events"
          ]
        }
      },
      "score": 73,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.pica.org/",
          "https://en.wikipedia.org/wiki/Portland_Institute_for_Contemporary_Art",
          "https://www.travelportland.com/events/tba/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "b703660300db35c3",
        "crawl_http_status": 200
      },
      "notes": "Nonprofit contemporary-arts org; its TBA Festival is a significant platform for experimental music within a multidisciplinary program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Contemporary-arts institution whose annual Time-Based Art (TBA) Festival programs experimental and boundary-defying music (experimental opera, drone/soundscape, live film scores) alongside performance and visual art."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "A concentrated 10-day September festival plus scattered year-round events; experimental music is one strand of a multidisciplinary program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Presents local, national and international experimental artists across disciplines including music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Dedicated to contemporary and experimental art; TBA is built around work that defies categorization."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit contemporary-art organization, founded 1995."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "TBA hailed by the New York Times as among the country's best contemporary summer/fall festivals."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Uses varied performance/gallery settings rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "the-bakery-atlanta",
      "name": "The Bakery Atlanta",
      "aliases": [
        "The Bakery"
      ],
      "status": "active",
      "location": {
        "address": "825 Warner St SW",
        "city": "Atlanta",
        "region": "GA",
        "country": "US",
        "neighborhood": "Adair Park / West End",
        "lat": 33.7343,
        "lon": -84.4095
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 60,
      "website": "https://thebakeryatlanta.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "DIY arts collective hosting experimental performance, a monthly open jam, and genre-defying music in its Surplus and Seve's spaces.",
          "sources": [
            "https://www.thebakeryatlanta.com/facilities-x-resources",
            "https://georgiastatesignal.com/bakery-arrives-keep-diy-music-scene-alive/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent DIY music shows, experimental performance art, and community events.",
          "sources": [
            "https://www.thebakeryatlanta.com/facilities-x-resources"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books local DIY, experimental, and touring artists across a wide range of forms.",
          "sources": [
            "https://www.papermag.com/the-bakery-atlanta-diy"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Collective built on a DIY ethos of \"collaboration, experimentation, and play.\"",
          "sources": [
            "https://thebakeryatlanta.com/",
            "https://www.atlantamagazine.com/news-culture-articles/the-bakery-an-inclusive-experimental-arts-center-is-but-a-moment-in-time-and-thats-okay/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist collective / DIY arts center offering alternative models to local creatives.",
          "sources": [
            "https://thebakeryatlanta.com/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Widely covered as a keeper of Atlanta's DIY culture; a supportive space for the creative-music scene.",
          "sources": [
            "https://www.papermag.com/the-bakery-atlanta-diy",
            "https://daily.bandcamp.com/features/atlanta-jazz-feature"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Multi-use DIY spaces rather than a dedicated listening room.",
          "sources": [
            "https://www.thebakeryatlanta.com/facilities-x-resources"
          ]
        }
      },
      "score": 73,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://thebakeryatlanta.com/",
          "https://www.thebakeryatlanta.com/facilities-x-resources",
          "https://daily.bandcamp.com/features/atlanta-jazz-feature"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://www.thebakeryatlanta.com/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "28403708bfd817b1",
        "crawl_http_status": 200
      },
      "notes": "Atlanta DIY arts collective and venue supporting experimental and genre-defying music; cited among the supportive spaces for the city's creative-music scene.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "DIY arts collective hosting experimental performance, a monthly open jam, and genre-defying music in its Surplus and Seve's spaces."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent DIY music shows, experimental performance art, and community events."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_points": 20,
          "evidence": "Books local DIY, experimental, and touring artists across a wide range of forms."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Collective built on a DIY ethos of \"collaboration, experimentation, and play.\""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist collective / DIY arts center offering alternative models to local creatives."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Widely covered as a keeper of Atlanta's DIY culture; a supportive space for the creative-music scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Multi-use DIY spaces rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "bop-stop-cleveland",
      "name": "BOP STOP",
      "aliases": [
        "Bop Stop at The Music Settlement"
      ],
      "status": "active",
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        "address": "2920 Detroit Ave",
        "city": "Cleveland",
        "region": "OH",
        "country": "US",
        "neighborhood": "Ohio City",
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        "lon": -81.7137
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.themusicsettlement.org/bop-stop",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Nonprofit listening room presenting jazz and creative music; described as the epicenter for creative music and jazz in Northeast Ohio, though much of the calendar is mainstream jazz.",
          "sources": [
            "https://www.themusicsettlement.org/bop-stop"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Hosts over 300 concerts annually.",
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            "https://www.themusicsettlement.org/bop-stop"
          ]
        },
        "artist_roster": {
          "value": 3,
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          "sources": [
            "https://www.thisiscleveland.com/locations/bop-stop-@-the-music-settlement"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Cleveland's premier listening room and 'epicenter for creative music and jazz.'",
          "sources": [
            "https://www.themusicsettlement.org/bop-stop"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Operated by the nonprofit Music Settlement (venue donated in 2013).",
          "sources": [
            "https://www.themusicsettlement.org/bop-stop"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Listed in DownBeat's International Venue Guide (2023-2026); won All About Jazz's Top Jazz Club in the US (2019).",
          "sources": [
            "https://www.themusicsettlement.org/bop-stop"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Acoustically tuned, tiered-seating listening room with no bad seat.",
          "sources": [
            "https://www.themusicsettlement.org/bop-stop"
          ]
        }
      },
      "score": 72,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.themusicsettlement.org/bop-stop",
          "https://www.thisiscleveland.com/locations/bop-stop-@-the-music-settlement"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "a86b7af4b7a4c478",
        "crawl_http_status": 200
      },
      "notes": "Nonprofit Cleveland listening room; strong jazz program with a meaningful creative-music share (score reflects mainstream-leaning calendar).",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "max_value": 5,
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          "max_points": 25,
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        },
        {
          "key": "show_frequency",
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          "max_points": 20,
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        },
        {
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          "max_points": 20,
          "evidence": "Books national touring jazz artists and regional creative musicians; roster leans mainstream-to-modern jazz with some adventurous programming."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
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        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Operated by the nonprofit Music Settlement (venue donated in 2013)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
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        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Acoustically tuned, tiered-seating listening room with no bad seat."
        }
      ]
    },
    {
      "id": "earshot-jazz-seattle",
      "name": "Earshot Jazz",
      "aliases": [
        "Earshot Jazz Society of Seattle",
        "Earshot Jazz Festival"
      ],
      "status": "active",
      "location": {
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        "region": "WA",
        "country": "US",
        "neighborhood": "Fremont",
        "lat": 47.651,
        "lon": -122.3501
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.earshot.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Produces the annual Earshot Jazz Festival and co-presents the Seattle Improvised Music Festival, the region's flagship free-improvisation event since 1986.",
          "sources": [
            "https://www.earshot.org/",
            "https://www.earshot.org/03-20-the-35th-annual-seattle-improvised-music-festival/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Presents concerts year-round across Seattle venues plus a multi-week fall festival; improvised/adventurous programming recurs monthly or more.",
          "sources": [
            "https://www.earshot.org/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Broad jazz presenter that regularly books recognized improvisers alongside straight-ahead artists.",
          "sources": [
            "https://www.earshot.org/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Nonprofit honoring jazz as a living, evolving art form; foregrounds creative and adventurous music but not exclusively free/avant.",
          "sources": [
            "https://en.wikipedia.org/wiki/Earshot_Jazz"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "501(c)(3) nonprofit founded 1984; presents, publishes a magazine, and runs education programs.",
          "sources": [
            "https://en.wikipedia.org/wiki/Earshot_Jazz",
            "https://www.guidestar.org/profile/94-3051610"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Long-standing cornerstone of the Seattle jazz and creative-music community.",
          "sources": [
            "https://en.wikipedia.org/wiki/Earshot_Jazz"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents in concert/theater settings rather than a fixed listening room of its own.",
          "sources": [
            "https://www.earshot.org/"
          ]
        }
      },
      "score": 72,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.earshot.org/",
          "https://en.wikipedia.org/wiki/Earshot_Jazz",
          "https://www.earshot.org/03-20-the-35th-annual-seattle-improvised-music-festival/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "40ed84a00e11a5d5",
        "crawl_http_status": 403
      },
      "notes": "Presenter (no single fixed room). Coordinates approximate to the Fremont office/neighborhood. Produces the Earshot Jazz Festival and co-presents the Seattle Improvised Music Festival.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "points": 20.0,
          "max_points": 25,
          "evidence": "Produces the annual Earshot Jazz Festival and co-presents the Seattle Improvised Music Festival, the region's flagship free-improvisation event since 1986."
        },
        {
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          "max_points": 20,
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        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_points": 20,
          "evidence": "Broad jazz presenter that regularly books recognized improvisers alongside straight-ahead artists."
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        },
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          "max_points": 10,
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        },
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          "label": "Community reputation",
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          "max_value": 5,
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          "max_points": 8,
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        },
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          "key": "listening_room",
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          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents in concert/theater settings rather than a fixed listening room of its own."
        }
      ]
    },
    {
      "id": "muryoku-muzenji-tokyo",
      "name": "Muryoku Muzenji",
      "aliases": [
        "\u7121\u529b\u7121\u5584\u5bfa"
      ],
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        "region": "Tokyo",
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      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 30,
      "website": "https://www.timeout.com/tokyo/music/muryoku-muzenji",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Small live house under the railway tracks known as a specialized venue for experimental and noise music (live venue since 2002).",
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            "https://www.timeout.com/tokyo/music/muryoku-muzenji"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent experimental/noise/improv gigs.",
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            "https://www.setlist.fm/venue/muryoku-muzenji-tokyo-japan-63d22e2f.html"
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        },
        "artist_roster": {
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          "sources": [
            "https://www.timeout.com/tokyo/music/best-gig-spots-in-koenji"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Bills itself as a specialized live house for experimental and noise.",
          "sources": [
            "https://www.timeout.com/tokyo/music/muryoku-muzenji"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Tiny DIY, living-room-scale venue with near-nonexistent PA.",
          "sources": [
            "https://www.timeout.com/tokyo/music/muryoku-muzenji"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A fixture of Koenji's experimental/noise scene, cited in Tokyo venue guides.",
          "sources": [
            "https://www.timeout.com/tokyo/music/best-gig-spots-in-koenji"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Cramped, casual space with sofas and pillows rather than an attentive seated listening room.",
          "sources": [
            "https://www.timeout.com/tokyo/music/muryoku-muzenji"
          ]
        }
      },
      "score": 72,
      "tier": "committed",
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      "provenance": {
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        "added_on": "2026-07-17",
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        "source_urls": [
          "https://www.timeout.com/tokyo/music/muryoku-muzenji",
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          "https://www.timeout.com/tokyo/music/best-gig-spots-in-koenji"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
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        "last_crawled": "2026-08-17",
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      },
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      "score_breakdown": [
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        },
        {
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          "evidence": "Underground noise and free-improv acts; a stop for Koenji's stranger gigs."
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          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
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          "max_points": 12,
          "evidence": "Bills itself as a specialized live house for experimental and noise."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
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        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "A fixture of Koenji's experimental/noise scene, cited in Tokyo venue guides."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Cramped, casual space with sofas and pillows rather than an attentive seated listening room."
        }
      ]
    },
    {
      "id": "space-gallery-portland",
      "name": "SPACE",
      "aliases": [
        "SPACE Gallery",
        "SPACE538"
      ],
      "status": "active",
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        "address": "538 Congress St",
        "city": "Portland",
        "region": "ME",
        "country": "US",
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      "operating_model": "nonprofit",
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      "website": "https://space538.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Nonprofit contemporary-arts venue with an adventurous program of experimental sound, film and performance among a broad calendar.",
          "sources": [
            "https://space538.org/",
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        },
        "show_frequency": {
          "value": 4,
          "evidence": "Hosts roughly 175 public programs a year including experimental music and sound.",
          "sources": [
            "https://space538.org/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books boundary-pushing and experimental artists alongside indie and other programming.",
          "sources": [
            "https://space538.org/category/event/music-event/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes an adventurous program of experimental sound, film and performance.",
          "sources": [
            "https://space538.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit contemporary-arts organization with studios and residencies.",
          "sources": [
            "https://www.guidestar.org/profile/51-0432635"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Leading contemporary-arts venue in New England / Portland.",
          "sources": [
            "https://warholfoundation.org/grants/archive/space-gallery/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate gallery-scale setting for concerts and performance.",
          "sources": [
            "https://space538.org/"
          ]
        }
      },
      "score": 72,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://space538.org/",
          "https://warholfoundation.org/grants/archive/space-gallery/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "4928f9e12b0120da",
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      },
      "notes": "Portland ME nonprofit arts center; experimental sound is one part of a wide adventurous program.",
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          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Nonprofit contemporary-arts venue with an adventurous program of experimental sound, film and performance among a broad calendar."
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          "sources": [
            "https://archive.inkonst.com/en/about-inkonst/"
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        }
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      "tier": "committed",
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          "checked": "2026-08-17",
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          "http": 429,
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        },
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          "http": 200
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        "last_crawled": "2026-08-17",
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      ]
    },
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        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books established and emerging jazz and creative-music artists, including improvisers, alongside more mainstream jazz.",
          "sources": [
            "https://www.citizenjazz.com/Une-saison-au-Triton-Les-Lilas.html"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Presents itself as a venue for creation and dissemination of amplified/contemporary music, particularly jazz.",
          "sources": [
            "https://fr.wikipedia.org/wiki/Le_Triton_(salle_de_concert)"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Association-run cultural complex with a live recording studio and members' restaurant.",
          "sources": [
            "https://uk.tourisme93.com/le-triton.html"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Established as a major venue for jazz creation in the Paris region.",
          "sources": [
            "https://www.citizenjazz.com/Une-saison-au-Triton-Les-Lilas.html"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Two seated concert halls (130 and 180) built for attentive listening and recording.",
          "sources": [
            "https://uk.tourisme93.com/le-triton.html"
          ]
        }
      },
      "score": 69,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.letriton.com/",
          "https://uk.tourisme93.com/le-triton.html"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "8edd20e0401e1cf1",
        "crawl_http_status": 200
      },
      "notes": "Jazz-and-contemporary-music creation venue in Les Lilas; books adventurous/improvised work within a broader jazz program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Cultural complex dedicated to contemporary music and particularly jazz; a place for creation, distribution and recording since 2000."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Rich year-round program of jazz and contemporary music concerts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Books established and emerging jazz and creative-music artists, including improvisers, alongside more mainstream jazz."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Presents itself as a venue for creation and dissemination of amplified/contemporary music, particularly jazz."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Association-run cultural complex with a live recording studio and members' restaurant."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Established as a major venue for jazz creation in the Paris region."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Two seated concert halls (130 and 180) built for attentive listening and recording."
        }
      ]
    },
    {
      "id": "the-hideout-chicago",
      "name": "The Hideout",
      "aliases": [
        "Hideout Inn",
        "Hideout Chicago"
      ],
      "status": "active",
      "location": {
        "address": "1354 W Wabansia Ave",
        "city": "Chicago",
        "region": "IL",
        "country": "US",
        "neighborhood": "Elston Industrial Corridor",
        "lat": 41.9134,
        "lon": -87.6621
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://www.hideoutchicago.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Hosts the Immediate Sound series of experimental/free-jazz on Wednesday nights, associated with Chicago improvisers including Ken Vandermark.",
          "sources": [
            "https://www.hideoutchicago.com/tag/immediate-sound-series/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Weekly Immediate Sound night within a broader indie/roots music calendar.",
          "sources": [
            "https://www.hideoutchicago.com/tag/immediate-sound-series/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Immediate Sound features Chicago free-improv players (Ken Vandermark and collaborators).",
          "sources": [
            "https://www.hideoutchicago.com/tag/immediate-sound-series/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Independent iconic Chicago music venue/community space, home to over 25 years of independent music.",
          "sources": [
            "https://www.hideoutchicago.com/history"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Independently owned commercial bar/music venue.",
          "sources": [
            "https://en.wikipedia.org/wiki/The_Hideout_Inn"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Iconic independent Chicago venue with deep ties to the local creative-music scene.",
          "sources": [
            "https://en.wikipedia.org/wiki/The_Hideout_Inn"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://www.hideoutchicago.com/"
          ]
        }
      },
      "score": 69,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.hideoutchicago.com/tag/immediate-sound-series/",
          "https://en.wikipedia.org/wiki/The_Hideout_Inn"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "4508f8e530112034",
        "crawl_http_status": 200
      },
      "notes": "Independent bar/venue whose weekly Immediate Sound series anchors its free-jazz programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Hosts the Immediate Sound series of experimental/free-jazz on Wednesday nights, associated with Chicago improvisers including Ken Vandermark."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Weekly Immediate Sound night within a broader indie/roots music calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Immediate Sound features Chicago free-improv players (Ken Vandermark and collaborators)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Independent iconic Chicago music venue/community space, home to over 25 years of independent music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Independently owned commercial bar/music venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Iconic independent Chicago venue with deep ties to the local creative-music scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "the-hungry-brain",
      "name": "The Hungry Brain",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Chicago",
        "region": "IL",
        "country": "US",
        "neighborhood": "Roscoe Village",
        "lat": 41.943,
        "lon": -87.679
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://hungrybrainchicago.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Long associated with the Sunday-night Transmission improvised-music series (Umbrella Music)."
        },
        "show_frequency": {
          "value": 3
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Chicago improvised-music community."
        },
        "self_description": {
          "value": 3
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial bar hosting a dedicated weekly improvised series."
        },
        "community_reputation": {
          "value": 4
        },
        "listening_room": {
          "value": 3
        }
      },
      "score": 69,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [],
        "needs_human_review": true,
        "url_corrections": [
          {
            "on": "2026-08-17",
            "from": null,
            "to": "https://hungrybrainchicago.com/",
            "why": "record had no website; official site verified live",
            "by": "maintainer:linkcheck-sweep"
          }
        ],
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "a6dd98314b71fdea",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: confirm the current status/cadence of the Sunday improvised series.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Long associated with the Sunday-night Transmission improvised-music series (Umbrella Music)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Chicago improvised-music community."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial bar hosting a dedicated weekly improvised series."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "walker-art-center",
      "name": "Walker Art Center",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "725 Vineland Pl",
        "city": "Minneapolis",
        "region": "MN",
        "country": "US",
        "neighborhood": "Lowry Hill",
        "lat": 44.9683,
        "lon": -93.2887
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.walkerart.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "One of the most active contemporary performing-arts programs in the US; presents new music and interdisciplinary work, plus the long-running experimental 'Out There' series (since 1989).",
          "sources": [
            "https://walkerart.org/about/performing-arts",
            "https://www.walkerart.org/press-releases/walker-art-center-announces-2025-26-performing-arts-season/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Adventurous music is presented within a broad seasonal program rather than a frequent standalone improv series.",
          "sources": [
            "https://walkerart.org/visit/stage"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "2025-26 season featured Wadada Leo Smith, Amina Claudine Myers, Douglas R. Ewart and a cross-generational quintet of AACM members.",
          "sources": [
            "https://www.walkerart.org/press-releases/walker-art-center-announces-2025-26-performing-arts-season/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Performing-arts program presents experimental theater, new music and interdisciplinary art 'that defy categorization.'",
          "sources": [
            "https://walkerart.org/about/performing-arts"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Major nonprofit contemporary art museum.",
          "sources": [
            "https://en.wikipedia.org/wiki/Walker_Art_Center"
          ]
        },
        "community_reputation": {
          "value": 5,
          "evidence": "Nationally influential contemporary performing-arts presenter.",
          "sources": [
            "https://walkerart.org/about/performing-arts"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated McGuire Theater and other performance spaces.",
          "sources": [
            "https://walkerart.org/visit/stage"
          ]
        }
      },
      "score": 69,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://walkerart.org/about/performing-arts",
          "https://www.walkerart.org/press-releases/walker-art-center-announces-2025-26-performing-arts-season/"
        ],
        "needs_human_review": false,
        "url_corrections": [
          {
            "on": "2026-08-17",
            "from": "https://walkerart.org/",
            "to": "https://www.walkerart.org/",
            "why": "canonicalised to the www host the site redirects to",
            "by": "maintainer:linkcheck-sweep"
          }
        ],
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "detail": "TLS negotiation failed \u2014 this checker's TLS stack is older than the server requires; not evidence of closure"
        },
        "last_crawled": "2026-08-17",
        "last_crawl_error": "HTTPSConnectionPool(host='www.walkerart.org', port=443): Max retries exceeded with url: / (Caused by SSLError(SSLError(1, '[SSL: TLSV1_ALERT_PROTOCOL_VERSION] tlsv1 alert protocol version (_ssl.c:1129"
      },
      "notes": "Major nonprofit presenter; regularly programs AACM/creative-music artists within a wider contemporary performing-arts season.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "One of the most active contemporary performing-arts programs in the US; presents new music and interdisciplinary work, plus the long-running experimental 'Out There' series (since 1989)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Adventurous music is presented within a broad seasonal program rather than a frequent standalone improv series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "2025-26 season featured Wadada Leo Smith, Amina Claudine Myers, Douglas R. Ewart and a cross-generational quintet of AACM members."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Performing-arts program presents experimental theater, new music and interdisciplinary art 'that defy categorization.'"
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Major nonprofit contemporary art museum."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 5,
          "max_value": 5,
          "points": 8.0,
          "max_points": 8,
          "evidence": "Nationally influential contemporary performing-arts presenter."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated McGuire Theater and other performance spaces."
        }
      ]
    },
    {
      "id": "cube-microplex-bristol",
      "name": "Cube Microplex",
      "aliases": [
        "The Cube",
        "Cube Cinema"
      ],
      "status": "active",
      "location": {
        "address": "Dove Street South",
        "city": "Bristol",
        "region": "England",
        "country": "GB",
        "neighborhood": "Kingsdown",
        "lat": 51.4592,
        "lon": -2.5915
      },
      "type": "arts_center",
      "operating_model": "diy_collective",
      "capacity": 100,
      "website": "https://cubecinema.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Volunteer/artist-led cinema and events venue that hosts Bristol's most wayward concerts and experimental noise; home to its own improvising ensemble, Orchestra Cube.",
          "sources": [
            "https://en.wikipedia.org/wiki/Cube_Microplex",
            "https://cubecinema.com/programme/view/music/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Averages 350+ events a year across film and performance, including regular experimental and improvised music nights.",
          "sources": [
            "https://en.wikipedia.org/wiki/Cube_Microplex"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Programs experimental, noise and improvised performers alongside cult cinema.",
          "sources": [
            "https://cubecinema.com/programme/view/music/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes itself as an experimental venue and research site for novel social experiences; a cornerstone of Bristol's underground since 1998.",
          "sources": [
            "https://en.wikipedia.org/wiki/Cube_Microplex"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Not-for-profit workers' co-operative, entirely volunteer-staffed with a DIY ethic.",
          "sources": [
            "https://en.wikipedia.org/wiki/Cube_Microplex"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-standing cornerstone of Bristol's radical/underground cultural scene.",
          "sources": [
            "https://theeverydaymagazine.co.uk/arts/the-shape-that-holds-it-all-the-unlikely-history-of-bristols-most-radical-venue-the-cube"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "100-seat cinema auditorium doubling as a concert space.",
          "sources": [
            "https://en.wikipedia.org/wiki/Cube_Microplex"
          ]
        }
      },
      "score": 68,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://cubecinema.com/",
          "https://en.wikipedia.org/wiki/Cube_Microplex"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e6b52a90b73b7556",
        "crawl_http_status": 200
      },
      "notes": "DIY co-op cinema/venue; experimental and improvised music is one strand of a wider program. Home of Orchestra Cube.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Volunteer/artist-led cinema and events venue that hosts Bristol's most wayward concerts and experimental noise; home to its own improvising ensemble, Orchestra Cube."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Averages 350+ events a year across film and performance, including regular experimental and improvised music nights."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Programs experimental, noise and improvised performers alongside cult cinema."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes itself as an experimental venue and research site for novel social experiences; a cornerstone of Bristol's underground since 1998."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Not-for-profit workers' co-operative, entirely volunteer-staffed with a DIY ethic."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Long-standing cornerstone of Bristol's radical/underground cultural scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "100-seat cinema auditorium doubling as a concert space."
        }
      ]
    },
    {
      "id": "ely-center-contemporary-art",
      "name": "Ely Center of Contemporary Art",
      "aliases": [
        "ECOCA"
      ],
      "status": "active",
      "location": {
        "address": "51 Trumbull St",
        "city": "New Haven",
        "region": "CT",
        "country": "US",
        "lat": 41.3117,
        "lon": -72.9251
      },
      "type": "gallery",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://elycenter.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Contemporary-art center hosting \"Weird Music Night,\" a recurring evening of experimental sound and performance with avant-garde and noise artists; now also the home of the New Haven Improvisers Collective.",
          "sources": [
            "https://elycenter.org/weird-music-night",
            "https://www.newhavenindependent.org/2025/10/29/new-haven-improvisers-collective-keeps-moving/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Recurring experimental music/performance nights within the gallery's events calendar.",
          "sources": [
            "https://elycenter.org/events-workshops-calendar"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs avant-garde musicians, experimental noise acts and improvisers.",
          "sources": [
            "https://elycenter.org/weird-music-night"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Frames the series around boundary-pushing sound and experimentation.",
          "sources": [
            "https://elycenter.org/weird-music-night"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit contemporary-art center.",
          "sources": [
            "https://visitnewhaven.com/places/ely-center-of-contemporary-art/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Covered by the New Haven Independent; a current home for the city's improvised-music community.",
          "sources": [
            "https://www.newhavenindependent.org/2025/10/29/new-haven-improvisers-collective-keeps-moving/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Gallery/mansion setting used for attentive sound performances.",
          "sources": [
            "https://elycenter.org/weird-music-night"
          ]
        }
      },
      "score": 68,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://elycenter.org/weird-music-night",
          "https://www.newhavenindependent.org/2025/10/29/new-haven-improvisers-collective-keeps-moving/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://www.elycenter.org/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "99711ee1af861385",
        "crawl_http_status": 200
      },
      "notes": "New Haven contemporary-art gallery hosting Weird Music Night and the New Haven Improvisers Collective; coordinates approximate to Trumbull St.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Contemporary-art center hosting \"Weird Music Night,\" a recurring evening of experimental sound and performance with avant-garde and noise artists; now also the home of the New Haven Improvisers Collective."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Recurring experimental music/performance nights within the gallery's events calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs avant-garde musicians, experimental noise acts and improvisers."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Frames the series around boundary-pushing sound and experimentation."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit contemporary-art center."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Covered by the New Haven Independent; a current home for the city's improvised-music community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Gallery/mansion setting used for attentive sound performances."
        }
      ]
    },
    {
      "id": "jazz-at-the-make-out-room",
      "name": "Make-Out Room",
      "aliases": [
        "Jazz at the Make-Out Room",
        "Monday Make-Out"
      ],
      "status": "active",
      "location": {
        "address": "3225 22nd St",
        "city": "San Francisco",
        "region": "CA",
        "country": "US",
        "neighborhood": "Mission District",
        "lat": 37.7554,
        "lon": -122.4198
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "http://www.makeoutroom.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Hosts the long-running weekly \"Jazz at the Make-Out Room\" (formerly Monday Make-Out), billed as an evening of cutting-edge jazz, free improvisation and creative music.",
          "sources": [
            "https://www.bayimproviser.com/venue/140/make-out-room",
            "https://www.facebook.com/mondaymakeout/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Weekly free creative-jazz/improv night (Tuesdays, free admission).",
          "sources": [
            "https://sf.funcheap.com/free-jazz-night-evangelista-boisen-trio-makeout-room/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Books Bay Area free-improv and cutting-edge jazz artists.",
          "sources": [
            "https://www.bayimproviser.com/venue/140/make-out-room"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "A Mission bar/dance club; the improv series (not the venue) describes itself as cutting-edge jazz and free improvisation.",
          "sources": [
            "https://www.facebook.com/mondaymakeout/"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial neighborhood bar.",
          "sources": [
            "http://www.makeoutroom.com/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Established home of a respected weekly Bay Area improv series.",
          "sources": [
            "https://www.bayimproviser.com/venue/140/make-out-room"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Bar setting rather than dedicated listening room.",
          "sources": [
            "https://www.yelp.com/biz/make-out-room-san-francisco"
          ]
        }
      },
      "score": 68,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.bayimproviser.com/venue/140/make-out-room",
          "https://www.facebook.com/mondaymakeout/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "dfdbc74630911a4d",
        "crawl_http_status": 200
      },
      "notes": "Commercial Mission bar hosting a strong weekly free-jazz/improv series; the series carries the improv weight, not the room itself.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Hosts the long-running weekly \"Jazz at the Make-Out Room\" (formerly Monday Make-Out), billed as an evening of cutting-edge jazz, free improvisation and creative music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Weekly free creative-jazz/improv night (Tuesdays, free admission)."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Books Bay Area free-improv and cutting-edge jazz artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "A Mission bar/dance club; the improv series (not the venue) describes itself as cutting-edge jazz and free improvisation."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial neighborhood bar."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Established home of a respected weekly Bay Area improv series."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Bar setting rather than dedicated listening room."
        }
      ]
    },
    {
      "id": "the-other-side-of-life-louisville",
      "name": "The Other Side of Life",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "presents at Louisville venues (e.g. B-Side, 1076 E Washington St)",
        "city": "Louisville",
        "region": "KY",
        "country": "US",
        "neighborhood": "citywide",
        "lat": 38.2568,
        "lon": -85.736
      },
      "type": "presenter",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://the-other-side-of-life.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Independent promoter dedicated to contemporary experimental music, free jazz, collective improvisation, and avant-rock in Louisville.",
          "sources": [
            "https://the-other-side-of-life.com/",
            "https://the-other-side-of-life.com/about/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Ran 2008-2015, relaunched in 2025; presenting a rebuilding schedule of concerts.",
          "sources": [
            "https://the-other-side-of-life.com/about/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs artists active in collective improvisation, free jazz, and experimental music.",
          "sources": [
            "https://the-other-side-of-life.com/"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Self-describes as \"independent experimental music and esoterica in Louisville.\"",
          "sources": [
            "https://the-other-side-of-life.com/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Sole-proprietor DIY promoter presenting at partner venues rather than a fixed space.",
          "sources": [
            "https://the-other-side-of-life.com/about/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "A named home for experimental/free-jazz presenting in Louisville, recently revived.",
          "sources": [
            "https://the-other-side-of-life.com/about/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presents in various rooms (e.g. B-Side) suited to focused listening.",
          "sources": [
            "https://events.ticketleap.com/tickets/the-other-side-of-life/spectre-folk-and-pipe-fitter-at-b-side-monday-april-20th"
          ]
        }
      },
      "score": 68,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://the-other-side-of-life.com/",
          "https://the-other-side-of-life.com/about/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "4f55e5b7db9841f1",
        "crawl_http_status": 200
      },
      "notes": "Louisville DIY promoter of experimental music and free jazz; active 2008-2015 and relaunched in 2025. Nomadic (presents at B-Side and other venues). Current cadence not fully verified; needs human review.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Independent promoter dedicated to contemporary experimental music, free jazz, collective improvisation, and avant-rock in Louisville."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Ran 2008-2015, relaunched in 2025; presenting a rebuilding schedule of concerts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs artists active in collective improvisation, free jazz, and experimental music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Self-describes as \"independent experimental music and esoterica in Louisville.\""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Sole-proprietor DIY promoter presenting at partner venues rather than a fixed space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "A named home for experimental/free-jazz presenting in Louisville, recently revived."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presents in various rooms (e.g. B-Side) suited to focused listening."
        }
      ]
    },
    {
      "id": "soundbarn-valatie",
      "name": "The soundBarn",
      "aliases": [
        "soundBarn"
      ],
      "status": "active",
      "location": {
        "city": "Valatie",
        "region": "NY",
        "country": "US",
        "neighborhood": "Columbia County",
        "lat": 42.4157,
        "lon": -73.6737
      },
      "type": "diy_space",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "http://soundbarn.blogspot.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Artist-run space in a former orchard cooler that presents long-form improvisations, often featuring members of the Albany Sonic Arts Collective.",
          "sources": [
            "http://soundbarn.blogspot.com/",
            "https://www.thomaslailstudio.com/soundbarn"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Hosts periodic experimental/improvised sound events rather than a weekly series.",
          "sources": [
            "http://soundbarn.blogspot.com/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs experimental improvisers; run by Thomas Lail and Patrick Weklar and tied to the Albany Sonic Arts Collective.",
          "sources": [
            "https://www.thomaslailstudio.com/soundbarn"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Presents itself as a space for long-form improvisation and experimental sound.",
          "sources": [
            "https://www.thomaslailstudio.com/soundbarn"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run rural DIY listening space.",
          "sources": [
            "https://www.thomaslailstudio.com/soundbarn"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Niche but recognized within the Capital Region / Hudson Valley experimental scene.",
          "sources": [
            "https://fieldguide.hollandhopson.com/tag/albany-sonic-arts-collective/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate rural room built for lingering and attentive listening with mountain views.",
          "sources": [
            "https://www.thomaslailstudio.com/soundbarn"
          ]
        }
      },
      "score": 68,
      "tier": "committed",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://soundbarn.blogspot.com/",
          "https://www.thomaslailstudio.com/soundbarn"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "a711180c30f16a1e",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: real artist-run improv listening space near Valatie/Kinderhook, but much documentation is older; confirm current activity and a precise location. Coordinates approximate to Valatie.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Artist-run space in a former orchard cooler that presents long-form improvisations, often featuring members of the Albany Sonic Arts Collective."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Hosts periodic experimental/improvised sound events rather than a weekly series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs experimental improvisers; run by Thomas Lail and Patrick Weklar and tied to the Albany Sonic Arts Collective."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Presents itself as a space for long-form improvisation and experimental sound."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run rural DIY listening space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Niche but recognized within the Capital Region / Hudson Valley experimental scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate rural room built for lingering and attentive listening with mountain views."
        }
      ]
    },
    {
      "id": "band-on-the-wall-manchester",
      "name": "Band on the Wall",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "25 Swan St",
        "city": "Manchester",
        "region": "England",
        "country": "GB",
        "neighborhood": "Northern Quarter",
        "lat": 53.4855,
        "lon": -2.236
      },
      "type": "bar_club",
      "operating_model": "nonprofit",
      "capacity": 500,
      "website": "https://bandonthewall.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Programming leans towards world and experimental music; the Copper Bar second stage is built around its experimental content.",
          "sources": [
            "https://en.wikipedia.org/wiki/Band_on_the_Wall",
            "https://bandonthewall.org/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Frequent live music; adventurous jazz/improv is a regular but not exclusive part of a broad program, plus Manchester Jazz Festival dates.",
          "sources": [
            "https://bandonthewall.org/2026/03/manchester-jazz-festival-2026/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books adventurous jazz and boundary-pushing artists alongside world, indie and electronic acts.",
          "sources": [
            "https://www.timeout.com/manchester/music/band-on-the-wall"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Regarded as one of the best jazz venues in the UK, with programming leaning world and experimental.",
          "sources": [
            "https://en.wikipedia.org/wiki/Band_on_the_Wall"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Not-for-profit venue run by the charity Inner City Music.",
          "sources": [
            "https://en.wikipedia.org/wiki/Band_on_the_Wall"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Multi-award-winning historic venue with regular acclaim for its jazz support.",
          "sources": [
            "https://en.wikipedia.org/wiki/Band_on_the_Wall"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Dedicated live-music room; the Copper Bar hosts more intimate experimental sets.",
          "sources": [
            "https://bandonthewall.org/"
          ]
        }
      },
      "score": 67,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://bandonthewall.org/",
          "https://en.wikipedia.org/wiki/Band_on_the_Wall"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "a37a194fe0da0ba2",
        "crawl_http_status": 200
      },
      "notes": "Charity-run Manchester venue; adventurous/experimental jazz is a real strand within a broad world-music program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Programming leans towards world and experimental music; the Copper Bar second stage is built around its experimental content."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Frequent live music; adventurous jazz/improv is a regular but not exclusive part of a broad program, plus Manchester Jazz Festival dates."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Books adventurous jazz and boundary-pushing artists alongside world, indie and electronic acts."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Regarded as one of the best jazz venues in the UK, with programming leaning world and experimental."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Not-for-profit venue run by the charity Inner City Music."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Multi-award-winning historic venue with regular acclaim for its jazz support."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Dedicated live-music room; the Copper Bar hosts more intimate experimental sets."
        }
      ]
    },
    {
      "id": "canterbury-house-ann-arbor",
      "name": "Canterbury House",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "721 E Huron St",
        "city": "Ann Arbor",
        "region": "MI",
        "country": "US",
        "neighborhood": "Central Campus",
        "lat": 42.2799,
        "lon": -83.7395
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.canterburyhouse.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Student-curated multi-genre concert series drawing on jazz, contemporary classical, electronic and improvised traditions, plus a weekly Tuesday 'Sound & Silence' open improv jam.",
          "sources": [
            "https://www.canterburyhouse.org/concerts",
            "https://pulp.aadl.org/node/642740"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "1-2 curated concerts per month (Sept-May) plus the weekly Sound & Silence jam.",
          "sources": [
            "https://annarborobserver.com/venue/canterbury-house/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Books regional and internationally known improvisers alongside student and faculty ensembles; recently hosted the Dave Sharp Worlds Quartet.",
          "sources": [
            "https://pulp.aadl.org/node/642740"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Its concert series is described as one of the treasures of Ann Arbor's music scene, spanning jazz, folk, contemporary classical, electronic and improvised music.",
          "sources": [
            "https://pulp.aadl.org/node/642740"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit campus ministry (Episcopal) with a long-running, largely student-run concert series.",
          "sources": [
            "https://localwiki.org/ann-arbor/Canterbury_House"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Historic Ann Arbor listening space (mid-1960s-70s concert series hosted major artists).",
          "sources": [
            "https://localwiki.org/ann-arbor/Canterbury_House"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated concert-series setting.",
          "sources": [
            "https://www.canterburyhouse.org/concerts"
          ]
        }
      },
      "score": 67,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.canterburyhouse.org/",
          "https://pulp.aadl.org/node/642740"
        ],
        "needs_human_review": false,
        "url_corrections": [
          {
            "on": "2026-08-17",
            "from": "https://www.canterburyhouse.org/concerts",
            "to": "https://www.canterburyhouse.org/",
            "why": "/concerts path returns 404; site root verified live",
            "by": "maintainer:linkcheck-sweep"
          }
        ],
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "8a9fc6033e55ca67",
        "crawl_http_status": 200
      },
      "notes": "Ann Arbor campus concert series with a strong improvised/creative-music streak and a weekly open improv jam.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Student-curated multi-genre concert series drawing on jazz, contemporary classical, electronic and improvised traditions, plus a weekly Tuesday 'Sound & Silence' open improv jam."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "1-2 curated concerts per month (Sept-May) plus the weekly Sound & Silence jam."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Books regional and internationally known improvisers alongside student and faculty ensembles; recently hosted the Dave Sharp Worlds Quartet."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Its concert series is described as one of the treasures of Ann Arbor's music scene, spanning jazz, folk, contemporary classical, electronic and improvised music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit campus ministry (Episcopal) with a long-running, largely student-run concert series."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Historic Ann Arbor listening space (mid-1960s-70s concert series hosted major artists)."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated concert-series setting."
        }
      ]
    },
    {
      "id": "music-box-village",
      "name": "Music Box Village",
      "aliases": [
        "New Orleans Airlift"
      ],
      "status": "active",
      "location": {
        "city": "New Orleans",
        "region": "LA",
        "country": "US",
        "neighborhood": "Bywater",
        "lat": 29.964,
        "lon": -90.033
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://musicboxvillage.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 4,
          "evidence": "Outdoor 'musical architecture' sonic-sculpture village and performance platform for one-of-a-kind concerts, residencies, and interdisciplinary works.",
          "sources": [
            "https://musicboxvillage.com/our-story",
            "https://splice.com/sounds/packs/splice-soundscapes/music-box-village/story"
          ]
        },
        "show_frequency": {
          "value": 2,
          "sources": [
            "https://musicboxvillage.com/our-story",
            "https://splice.com/sounds/packs/splice-soundscapes/music-box-village/story"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Experimental/improvised and cross-genre artists on custom instruments.",
          "sources": [
            "https://musicboxvillage.com/our-story",
            "https://splice.com/sounds/packs/splice-soundscapes/music-box-village/story"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Celebrates the city's avant-garde musicians, tinkerers, and inventors.",
          "sources": [
            "https://musicboxvillage.com/our-story",
            "https://splice.com/sounds/packs/splice-soundscapes/music-box-village/story"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Flagship project of the New Orleans Airlift nonprofit.",
          "sources": [
            "https://musicboxvillage.com/our-story",
            "https://splice.com/sounds/packs/splice-soundscapes/music-box-village/story"
          ]
        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://musicboxvillage.com/our-story",
            "https://splice.com/sounds/packs/splice-soundscapes/music-box-village/story"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://musicboxvillage.com/our-story",
            "https://splice.com/sounds/packs/splice-soundscapes/music-box-village/story"
          ]
        }
      },
      "score": 67,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://musicboxvillage.com/our-story",
          "https://splice.com/sounds/packs/splice-soundscapes/music-box-village/story"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "2f515c1d3ec649bf",
        "crawl_http_status": 200
      },
      "notes": "Unique experimental sound-sculpture venue; programming is periodic/curated.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 4.0,
          "max_value": 5,
          "points": 20.0,
          "max_points": 25,
          "evidence": "Outdoor 'musical architecture' sonic-sculpture village and performance platform for one-of-a-kind concerts, residencies, and interdisciplinary works."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Experimental/improvised and cross-genre artists on custom instruments."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Celebrates the city's avant-garde musicians, tinkerers, and inventors."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Flagship project of the New Orleans Airlift nonprofit."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "wexner-center-columbus",
      "name": "Wexner Center for the Arts",
      "aliases": [
        "The Wex"
      ],
      "status": "active",
      "location": {
        "address": "1871 N High St",
        "city": "Columbus",
        "region": "OH",
        "country": "US",
        "neighborhood": "Ohio State University",
        "lat": 39.999,
        "lon": -83.0086
      },
      "type": "arts_center",
      "operating_model": "university",
      "capacity": null,
      "website": "https://wexarts.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Contemporary arts center whose performing-arts program includes the Wex[EP] series highlighting the experimental side of the region's musicians, plus presented jazz/new-music by artists such as AACM members.",
          "sources": [
            "https://wexarts.org/performing-arts/wexep-sonic-arts-ensemble",
            "https://wexarts.org/explore/performing-arts"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Experimental music is part of a broad multidisciplinary season rather than a frequent standalone series.",
          "sources": [
            "https://wexarts.org/explore/performing-arts"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Presents experimental, jazz, world and electronic artists across dance, theater and music.",
          "sources": [
            "https://wexarts.org/explore/performing-arts",
            "https://wexarts.org/press-release/wexner-center-arts-announces-2025-26-performing-arts-season"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Presents contemporary and experimental performing arts that 'defy categorization.'",
          "sources": [
            "https://wexarts.org/explore/performing-arts"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "University-based nonprofit contemporary arts center at Ohio State.",
          "sources": [
            "https://en.wikipedia.org/wiki/Wexner_Center_for_the_Arts"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Internationally known contemporary arts center.",
          "sources": [
            "https://en.wikipedia.org/wiki/Wexner_Center_for_the_Arts"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Cabaret-style black box and Mershon Auditorium for seated performances.",
          "sources": [
            "https://wexarts.org/explore/performing-arts"
          ]
        }
      },
      "score": 67,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://wexarts.org/performing-arts/wexep-sonic-arts-ensemble",
          "https://wexarts.org/explore/performing-arts"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "45870699cc939257",
        "crawl_http_status": 200
      },
      "notes": "Major university contemporary arts center; experimental/improvised music is a recurring but partial slice of its wider program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Contemporary arts center whose performing-arts program includes the Wex[EP] series highlighting the experimental side of the region's musicians, plus presented jazz/new-music by artists such as AACM members."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Experimental music is part of a broad multidisciplinary season rather than a frequent standalone series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Presents experimental, jazz, world and electronic artists across dance, theater and music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Presents contemporary and experimental performing arts that 'defy categorization.'"
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "University-based nonprofit contemporary arts center at Ohio State."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Internationally known contemporary arts center."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Cabaret-style black box and Mershon Auditorium for seated performances."
        }
      ]
    },
    {
      "id": "blue-whale-atwater-village",
      "name": "Blue Whale",
      "aliases": [
        "bluewhale"
      ],
      "status": "active",
      "location": {
        "address": "3229 Casitas Ave",
        "city": "Los Angeles",
        "region": "CA",
        "country": "US",
        "neighborhood": "Atwater Village",
        "lat": 34.118,
        "lon": -118.266
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://www.bluewhalemusic.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Long a beloved hub of LA's jazz and improvised-music scene (2009-2020 in Little Tokyo); reopened in Atwater Village in November 2024 with dedicated listening rooms for jazz.",
          "sources": [
            "https://www.theeastsiderla.com/neighborhoods/atwater_village/the-blue-whale-jazz-club-plans-to-resurface-in-atwater-village/article_cd9d5d1c-e720-11ee-9e04-bf2d15772f47.html",
            "https://en.wikipedia.org/wiki/Blue_Whale_Jazz_Club"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular jazz programming in the new listening-room format.",
          "sources": [
            "https://www.bluewhalemusic.com/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Historically featured creative and improvised jazz and helped expand the reach of improvised music to younger audiences.",
          "sources": [
            "https://www.wbgo.org/music/2020-12-31/the-blue-whale-beloved-hub-of-the-jazz-scene-in-los-angeles-announces-permanent-closure"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Presents dedicated listening rooms for jazz and Western classical music in an all-ages environment.",
          "sources": [
            "https://www.theeastsiderla.com/neighborhoods/atwater_village/the-blue-whale-jazz-club-plans-to-resurface-in-atwater-village/article_cd9d5d1c-e720-11ee-9e04-bf2d15772f47.html"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial jazz club/restaurant opened by vocalist Joon Lee.",
          "sources": [
            "https://en.wikipedia.org/wiki/Blue_Whale_Jazz_Club"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Described as a beloved hub of the LA jazz scene whose closure \"punched a hole in the jazz infrastructure of Los Angeles.\"",
          "sources": [
            "https://www.wbgo.org/music/2020-12-31/the-blue-whale-beloved-hub-of-the-jazz-scene-in-los-angeles-announces-permanent-closure"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "New space built around dedicated jazz listening rooms.",
          "sources": [
            "https://www.theeastsiderla.com/neighborhoods/atwater_village/the-blue-whale-jazz-club-plans-to-resurface-in-atwater-village/article_cd9d5d1c-e720-11ee-9e04-bf2d15772f47.html"
          ]
        }
      },
      "score": 66,
      "tier": "committed",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.theeastsiderla.com/neighborhoods/atwater_village/the-blue-whale-jazz-club-plans-to-resurface-in-atwater-village/article_cd9d5d1c-e720-11ee-9e04-bf2d15772f47.html",
          "https://en.wikipedia.org/wiki/Blue_Whale_Jazz_Club",
          "https://www.wbgo.org/music/2020-12-31/the-blue-whale-beloved-hub-of-the-jazz-scene-in-los-angeles-announces-permanent-closure"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "38a7d50618348146",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: historic LA jazz/improv hub, closed 2020 in Little Tokyo, reopened in Atwater Village Nov 2024; confirm current cadence and how much creative/improvised jazz the new room books.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "max_points": 25,
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          "max_points": 20,
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          "max_points": 20,
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        },
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          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Presents dedicated listening rooms for jazz and Western classical music in an all-ages environment."
        },
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          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial jazz club/restaurant opened by vocalist Joon Lee."
        },
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          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Described as a beloved hub of the LA jazz scene whose closure \"punched a hole in the jazz infrastructure of Los Angeles.\""
        },
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          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "New space built around dedicated jazz listening rooms."
        }
      ]
    },
    {
      "id": "blaa-oslo",
      "name": "Bl\u00e5",
      "aliases": [
        "Bla"
      ],
      "status": "active",
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        "address": "Brenneriveien 9C",
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        "region": "Oslo",
        "country": "NO",
        "neighborhood": "Gr\u00fcnerl\u00f8kka",
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        "lon": 10.753
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 350,
      "website": "https://www.blaaoslo.no/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Known for booking progressive/alternative acts and improvised/experimental music; hosts a free Frank Znort Quartet concert every Sunday.",
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            "https://en.wikipedia.org/wiki/Bl%C3%A5",
            "https://www.blaaoslo.no/"
          ]
        },
        "show_frequency": {
          "value": 4,
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            "https://www.blaaoslo.no/"
          ]
        },
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          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Cultural meeting place featuring improvised and experimental music performances.",
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            "https://en.wikipedia.org/wiki/Bl%C3%A5"
          ]
        },
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          "evidence": "Independent commercial jazz/club venue.",
          "sources": [
            "https://en.wikipedia.org/wiki/Bl%C3%A5"
          ]
        },
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          "value": 4,
          "evidence": "Longstanding cornerstone of Oslo's jazz and progressive music scene since 1998.",
          "sources": [
            "https://en.wikipedia.org/wiki/Bl%C3%A5",
            "https://liveurope.eu/bla"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://www.blaaoslo.no/"
          ]
        }
      },
      "score": 66,
      "tier": "committed",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
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          "https://en.wikipedia.org/wiki/Bl%C3%A5",
          "https://www.blaaoslo.no/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "660caa74d7d8de84",
        "crawl_http_status": 200
      },
      "notes": "Gr\u00fcnerl\u00f8kka jazz/club by the Akerselva; adventurous booking within a broad program, weekly free jazz Sundays.",
      "score_breakdown": [
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          "key": "self_description",
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          "max_points": 12,
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        },
        {
          "key": "operating_model",
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          "max_value": 5,
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        },
        {
          "key": "community_reputation",
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          "max_points": 8,
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        },
        {
          "key": "listening_room",
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          "max_points": 5,
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        }
      ]
    },
    {
      "id": "east-village-arts-birmingham",
      "name": "East Village Arts",
      "aliases": [
        "EVA",
        "East Village Arts of Birmingham"
      ],
      "status": "active",
      "location": {
        "address": "East Lake Theater Building, East Lake",
        "city": "Birmingham",
        "region": "AL",
        "country": "US",
        "neighborhood": "East Lake",
        "lat": 33.5701,
        "lon": -86.7215
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.evabham.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Avant-garde arts space that hosts jazz and pays homage to Sun Ra; runs the annual Sun Ra Festival honoring Birmingham's jazz legacy.",
          "sources": [
            "https://www.evabham.org/about",
            "https://www.birmingham365.org/event/sun-ra-returns-home/"
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        },
        "show_frequency": {
          "value": 3,
          "evidence": "Performance space with a stage and church pews hosting recurring concerts, dance, and poetry.",
          "sources": [
            "https://www.evabham.org/about",
            "https://www.evabham.org/events"
          ]
        },
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          "sources": [
            "https://www.birmingham365.org/event/sun-ra-returns-home/"
          ]
        },
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          "value": 4,
          "evidence": "Part of the space is an avant-garde \"haven for jazz culture\" honoring Sun Ra and the Arkestra.",
          "sources": [
            "https://www.birminghamtimes.com/2025/11/inside-a-few-of-birmingham-areas-most-acclaimed-jazz-venues/",
            "https://www.evabham.org/about"
          ]
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        "operating_model": {
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          "sources": [
            "https://www.evabham.org/about"
          ]
        },
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          "sources": [
            "https://www.birminghamtimes.com/2025/11/inside-a-few-of-birmingham-areas-most-acclaimed-jazz-venues/"
          ]
        },
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          "evidence": "Seated performance space (church pews) suited to attentive listening.",
          "sources": [
            "https://www.evabham.org/about"
          ]
        }
      },
      "score": 66,
      "tier": "committed",
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          "https://www.birminghamtimes.com/2025/11/inside-a-few-of-birmingham-areas-most-acclaimed-jazz-venues/"
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        "link_check": {
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          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
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        "crawl_http_status": 200
      },
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          "key": "operating_model",
          "label": "Operating model",
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          "max_points": 10,
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          "key": "community_reputation",
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        },
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          "max_points": 5,
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        }
      ]
    },
    {
      "id": "eyedrum-art-music-gallery",
      "name": "Eyedrum Art & Music Gallery",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Atlanta",
        "region": "GA",
        "country": "US",
        "lat": 33.749,
        "lon": -84.385
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      "type": "gallery",
      "operating_model": "nonprofit",
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        "dedicated_series": {
          "value": 3,
          "evidence": "Nonprofit art/music gallery with a long history of experimental and improvised music."
        },
        "show_frequency": {
          "value": 3
        },
        "artist_roster": {
          "value": 3
        },
        "self_description": {
          "value": 4
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer-driven nonprofit gallery."
        },
        "community_reputation": {
          "value": 3
        },
        "listening_room": {
          "value": 3
        }
      },
      "score": 66,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
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        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://www.eyedrum.org/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "83d3387031fdb3b9",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: confirm current venue location and programming.",
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        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "max_points": 12,
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        },
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          "key": "operating_model",
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          "max_value": 5,
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          "max_points": 10,
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        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "hallwalls-contemporary-arts-center",
      "name": "Hallwalls Contemporary Arts Center",
      "aliases": [],
      "status": "active",
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        "region": "NY",
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        "lat": 42.894,
        "lon": -78.87
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
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      "website": "https://www.hallwalls.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Storied nonprofit contemporary arts center with a long history of experimental and improvised music programming."
        },
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        },
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          "value": 3
        },
        "self_description": {
          "value": 4
        },
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          "value": 5,
          "evidence": "Nonprofit multidisciplinary arts center."
        },
        "community_reputation": {
          "value": 3
        },
        "listening_room": {
          "value": 3
        }
      },
      "score": 66,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
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        "source_urls": [],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "94abb6c05bbee846",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: confirm current music programming cadence.",
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          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "key": "self_description",
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        },
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          "max_points": 10,
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        },
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          "key": "community_reputation",
          "label": "Community reputation",
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          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
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          "max_points": 5,
          "evidence": ""
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      ]
    },
    {
      "id": "museum-of-human-achievement",
      "name": "Museum of Human Achievement",
      "aliases": [
        "MoHA"
      ],
      "status": "active",
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        "city": "Austin",
        "region": "TX",
        "country": "US",
        "lat": 30.253,
        "lon": -97.7
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      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://glasstire.com/venues/the-museum-of-human-achievement/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Warehouse arts venue hosting heavily experimental music including the No Idea Festival, alongside other disciplines.",
          "sources": [
            "https://calendar.austinchronicle.com/location/the-museum-of-human-achievement-11832610"
          ]
        },
        "show_frequency": {
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          "sources": [
            "https://calendar.austinchronicle.com/location/the-museum-of-human-achievement-11832610"
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          "evidence": "Experimental and improvised music among broader programming.",
          "sources": [
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          ]
        },
        "self_description": {
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          "sources": [
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          "sources": [
            "https://calendar.austinchronicle.com/location/the-museum-of-human-achievement-11832610"
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        },
        "community_reputation": {
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          "sources": [
            "https://calendar.austinchronicle.com/location/the-museum-of-human-achievement-11832610"
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        },
        "listening_room": {
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          "sources": [
            "https://calendar.austinchronicle.com/location/the-museum-of-human-achievement-11832610"
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        }
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      "score": 66,
      "tier": "committed",
      "confidence": 0.72,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
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        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 403,
          "detail": "HTTP 403"
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      },
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            "https://www.unterfahrt.de/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Member-supported nonprofit club (over 1,200 members).",
          "sources": [
            "https://en.wikipedia.org/wiki/Jazzclub_Unterfahrt"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Long-standing, award-winning cornerstone of the Munich jazz scene (Musikpreis der Landeshauptstadt M\u00fcnchen).",
          "sources": [
            "https://en.wikipedia.org/wiki/Jazzclub_Unterfahrt"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate cellar listening club, capacity ~180.",
          "sources": [
            "https://en.wikipedia.org/wiki/Jazzclub_Unterfahrt"
          ]
        }
      },
      "score": 65,
      "tier": "committed",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.unterfahrt.de/",
          "https://en.wikipedia.org/wiki/Jazzclub_Unterfahrt"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "b520b9ae9c1ecbc1",
        "crawl_http_status": 200
      },
      "notes": "Munich's flagship jazz club with free-jazz roots; adventurous programming is a strand within a broad jazz program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Munich's best-known jazz club, founded 1978 originally focused on free jazz; today a broad jazz program with regular jam sessions and some adventurous bookings."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
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          "max_points": 20,
          "evidence": "Concerts up to seven nights a week, though free/improvised music is a portion of a wider jazz calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_points": 20,
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        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_points": 12,
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        },
        {
          "key": "operating_model",
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          "max_value": 5,
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          "max_points": 10,
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        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
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          "max_points": 8,
          "evidence": "Long-standing, award-winning cornerstone of the Munich jazz scene (Musikpreis der Landeshauptstadt M\u00fcnchen)."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate cellar listening club, capacity ~180."
        }
      ]
    },
    {
      "id": "kerrytown-concert-house",
      "name": "Kerrytown Concert House",
      "aliases": [
        "Edgefest"
      ],
      "status": "active",
      "location": {
        "city": "Ann Arbor",
        "region": "MI",
        "country": "US",
        "lat": 42.284,
        "lon": -83.746
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://kerrytownconcerthouse.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Nonprofit concert house; home of Edgefest, a festival of creative/adventurous jazz and improvised music."
        },
        "show_frequency": {
          "value": 3
        },
        "artist_roster": {
          "value": 3
        },
        "self_description": {
          "value": 3
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit concert house."
        },
        "community_reputation": {
          "value": 3
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated concert-house listening environment."
        }
      },
      "score": 65,
      "tier": "committed",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "40ed84a00e11a5d5",
        "crawl_http_status": 403
      },
      "notes": "NEEDS REVIEW: confirm Edgefest continuity and season.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
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          "max_points": 25,
          "evidence": "Nonprofit concert house; home of Edgefest, a festival of creative/adventurous jazz and improvised music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit concert house."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated concert-house listening environment."
        }
      ]
    },
    {
      "id": "leaven-community-portland",
      "name": "Leaven Community Center",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "5431 NE 20th Ave",
        "city": "Portland",
        "region": "OR",
        "country": "US",
        "neighborhood": "Northeast Portland",
        "lat": 45.5628,
        "lon": -122.644
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.leaven.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Community center that hosts the Creative Music Guild's Extradition Series and other experimental/improvised concerts in an attentive, non-commercial setting.",
          "sources": [
            "https://everout.com/portland/events/extradition-series-2020-winter-concert/e98685/",
            "https://creativemusicguild.org/extradition-series-2017-spring-concert/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Hosts experimental-music concerts periodically (e.g. quarterly Extradition events) rather than a weekly series.",
          "sources": [
            "https://dopdx.com/venues/leaven-community-center"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "When presenting music, features improvisers and experimental composers via CMG programming.",
          "sources": [
            "https://creativemusicguild.org/extradition-series-2017-spring-concert/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "A community center embraced by Portland's experimental-music community as a concert space.",
          "sources": [
            "https://www.vrtxmag.com/businesses/leaven-community/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit community organization/space.",
          "sources": [
            "https://www.leaven.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A recurring host venue for Portland's experimental/improvised concerts.",
          "sources": [
            "https://corb.in/venues/leaven/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Used as an attentive, seated concert space with a fully listening audience.",
          "sources": [
            "https://creativemusicguild.org/extradition-series-2017-spring-concert/"
          ]
        }
      },
      "score": 65,
      "tier": "committed",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.leaven.org/",
          "https://www.vrtxmag.com/businesses/leaven-community/",
          "https://everout.com/portland/events/extradition-series-2020-winter-concert/e98685/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "50b6ca2928106686",
        "crawl_http_status": 200
      },
      "notes": "NE Portland nonprofit community center that serves as a recurring host venue for Creative Music Guild / Extradition experimental-music concerts.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Community center that hosts the Creative Music Guild's Extradition Series and other experimental/improvised concerts in an attentive, non-commercial setting."
        },
        {
          "key": "show_frequency",
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          "max_value": 5,
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          "max_points": 20,
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        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_points": 20,
          "evidence": "When presenting music, features improvisers and experimental composers via CMG programming."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_points": 12,
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        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit community organization/space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
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          "max_points": 8,
          "evidence": "A recurring host venue for Portland's experimental/improvised concerts."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Used as an attentive, seated concert space with a fully listening audience."
        }
      ]
    },
    {
      "id": "redcat-los-angeles",
      "name": "REDCAT",
      "aliases": [
        "Roy and Edna Disney/CalArts Theater"
      ],
      "status": "active",
      "location": {
        "address": "631 W 2nd St",
        "city": "Los Angeles",
        "region": "CA",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 34.0554,
        "lon": -118.2497
      },
      "type": "arts_center",
      "operating_model": "university",
      "capacity": 200,
      "website": "https://www.redcat.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "CalArts' downtown center for contemporary arts; presents new and experimental music within a broad program of dance, theater, performance and film.",
          "sources": [
            "https://www.redcat.org/about",
            "https://en.wikipedia.org/wiki/REDCAT"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Frequent programming overall, but experimental/new music is a subset of the multidisciplinary calendar.",
          "sources": [
            "https://www.redcat.org/events"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Innovative work from LA and around the world, including experimental composers and sound artists.",
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            "https://www.redcat.org/about"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Supports experimentation, innovation and discovery across art, music and performance since 2003.",
          "sources": [
            "https://www.redcat.org/about"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Operated by CalArts inside the Walt Disney Concert Hall complex.",
          "sources": [
            "https://calarts.edu/redcat"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Called \"the gold standard of the avant garde in L.A.\"",
          "sources": [
            "https://en.wikipedia.org/wiki/REDCAT"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "200-seat theater with attentive presentation.",
          "sources": [
            "https://www.redcat.org/about"
          ]
        }
      },
      "score": 65,
      "tier": "committed",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.redcat.org/about",
          "https://en.wikipedia.org/wiki/REDCAT",
          "https://calarts.edu/redcat"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "d098afab03043f37",
        "crawl_http_status": 200
      },
      "notes": "CalArts' downtown avant-garde arts center; presents experimental/new music as part of a broad multidisciplinary program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "max_points": 25,
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        },
        {
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          "max_points": 20,
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        },
        {
          "key": "artist_roster",
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          "max_points": 20,
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        },
        {
          "key": "self_description",
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          "max_points": 12,
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        },
        {
          "key": "operating_model",
          "label": "Operating model",
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          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Operated by CalArts inside the Walt Disney Concert Hall complex."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Called \"the gold standard of the avant garde in L.A.\""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "200-seat theater with attentive presentation."
        }
      ]
    },
    {
      "id": "the-venture-compound",
      "name": "The Venture Compound",
      "aliases": [],
      "status": "unconfirmed",
      "location": {
        "address": "2621 Fairfield Ave S",
        "city": "St. Petersburg",
        "region": "FL",
        "country": "US",
        "neighborhood": "Warehouse Arts District",
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        "lon": -82.6635
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://klimchakmusic.com/?eventDisplay=venue&tribe_venue=venture-compound",
      "active_this_year": false,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Non-traditional DIY performance space and art gallery in the Warehouse Arts District; hosts experimental/noise shows and open jazz jams.",
          "sources": [
            "https://crowsneststpete.com/2012/08/28/the-venture-compound-offers-performance-space-for-local-musical-artists/",
            "https://www.facebook.com/groups/TampaBay.Experimental.Noise/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Has hosted shows since December 2011, including open jazz jams and touring experimental acts.",
          "sources": [
            "https://crowsneststpete.com/2012/08/28/the-venture-compound-offers-performance-space-for-local-musical-artists/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Programs experimental, noise, and improvising musicians from Florida and beyond.",
          "sources": [
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          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Edgy, experimental art and music space with \"a zany, almost science-experiment vibe.\"",
          "sources": [
            "https://83degreesmedia.com/venture041613/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "DIY living/performance/gallery space (home to No Clear Records) in the Warehouse Arts District.",
          "sources": [
            "https://www.visitstpeteclearwater.com/profile/venture-compound/140031"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A longtime node of St. Petersburg's experimental/noise scene.",
          "sources": [
            "https://83degreesmedia.com/venture041613/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Raw DIY warehouse/gallery space rather than a dedicated listening room.",
          "sources": [
            "https://crowsneststpete.com/2012/08/28/the-venture-compound-offers-performance-space-for-local-musical-artists/"
          ]
        }
      },
      "score": 65,
      "tier": "committed",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://crowsneststpete.com/2012/08/28/the-venture-compound-offers-performance-space-for-local-musical-artists/",
          "https://83degreesmedia.com/venture041613/",
          "https://www.visitstpeteclearwater.com/profile/venture-compound/140031"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "dcffd61d699b9004",
        "crawl_http_status": 200
      },
      "notes": "St. Petersburg Warehouse Arts District DIY experimental/noise venue (since 2011). One listing flags it as possibly closed, so current operating status is unconfirmed and needs human review.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
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          "max_value": 5,
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          "max_points": 25,
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        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "evidence": "Has hosted shows since December 2011, including open jazz jams and touring experimental acts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Programs experimental, noise, and improvising musicians from Florida and beyond."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Edgy, experimental art and music space with \"a zany, almost science-experiment vibe.\""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "DIY living/performance/gallery space (home to No Clear Records) in the Warehouse Arts District."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
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          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "A longtime node of St. Petersburg's experimental/noise scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
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          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Raw DIY warehouse/gallery space rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "berlin",
      "name": "Berlin",
      "aliases": [
        "Berlin MPLS"
      ],
      "status": "active",
      "location": {
        "city": "Minneapolis",
        "region": "MN",
        "country": "US",
        "neighborhood": "North Loop",
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        "lon": -93.2716
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 85,
      "website": "https://www.berlinmpls.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Music-and-dining room programming innovative jazz, electronic, and experimental music; catering to more adventurous showcases.",
          "sources": [
            "https://www.berlinmpls.com/",
            "https://www.thecurrent.org/feature/2024/07/26/berlin-is-a-minneapolis-music-venue-that-creates-unmatched-intimacy"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Open nightly except Tuesdays.",
          "sources": [
            "https://www.berlinmpls.com/",
            "https://www.thecurrent.org/feature/2024/07/26/berlin-is-a-minneapolis-music-venue-that-creates-unmatched-intimacy"
          ]
        },
        "artist_roster": {
          "value": 3,
          "sources": [
            "https://www.berlinmpls.com/",
            "https://www.thecurrent.org/feature/2024/07/26/berlin-is-a-minneapolis-music-venue-that-creates-unmatched-intimacy"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Positions itself for adventurous/experimental and vulnerable, experimental performances.",
          "sources": [
            "https://www.berlinmpls.com/",
            "https://www.thecurrent.org/feature/2024/07/26/berlin-is-a-minneapolis-music-venue-that-creates-unmatched-intimacy"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial live-music bar/restaurant (lowers commitment score despite adventurous booking).",
          "sources": [
            "https://www.berlinmpls.com/",
            "https://www.thecurrent.org/feature/2024/07/26/berlin-is-a-minneapolis-music-venue-that-creates-unmatched-intimacy"
          ]
        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://www.berlinmpls.com/",
            "https://www.thecurrent.org/feature/2024/07/26/berlin-is-a-minneapolis-music-venue-that-creates-unmatched-intimacy"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "High-fidelity, candlelit 85-seat intimate listening room.",
          "sources": [
            "https://www.berlinmpls.com/",
            "https://www.thecurrent.org/feature/2024/07/26/berlin-is-a-minneapolis-music-venue-that-creates-unmatched-intimacy"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.berlinmpls.com/",
          "https://www.thecurrent.org/feature/2024/07/26/berlin-is-a-minneapolis-music-venue-that-creates-unmatched-intimacy"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "f92a40f9245bf1d1",
        "crawl_http_status": 200
      },
      "notes": "Commercial but genuinely adventurous; sibling in spirit to Icehouse.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Music-and-dining room programming innovative jazz, electronic, and experimental music; catering to more adventurous showcases."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Open nightly except Tuesdays."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Positions itself for adventurous/experimental and vulnerable, experimental performances."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial live-music bar/restaurant (lowers commitment score despite adventurous booking)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "High-fidelity, candlelit 85-seat intimate listening room."
        }
      ]
    },
    {
      "id": "corbett-vs-dempsey",
      "name": "Corbett vs. Dempsey",
      "aliases": [
        "CvsD"
      ],
      "status": "active",
      "location": {
        "address": "2156 W Fulton St",
        "city": "Chicago",
        "region": "IL",
        "country": "US",
        "neighborhood": "East Garfield Park",
        "lat": 41.8866,
        "lon": -87.681
      },
      "type": "gallery",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://corbettvsdempsey.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Art gallery with an associated record label, book imprint and archive specializing in improvised and experimental music; presents occasional concerts and events tied to that legacy.",
          "sources": [
            "https://corbettvsdempsey.com/about-us/",
            "https://corbettvsdempsey.com/events/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Concerts/events are occasional alongside the exhibition program.",
          "sources": [
            "https://corbettvsdempsey.com/events/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Represents Peter Brotzmann and the estate of Sun Ra; co-founder John Corbett is a noted champion of free jazz and improvisation (co-curated the Empty Bottle Jazz Series).",
          "sources": [
            "https://corbettvsdempsey.com/about-us/",
            "https://en.wikipedia.org/wiki/John_Corbett_(writer)"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "States that creative music has always been a feature of the gallery's activities.",
          "sources": [
            "https://corbettvsdempsey.com/about-us/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Commercial art gallery (opened 2004) with a strong creative-music mission.",
          "sources": [
            "https://corbettvsdempsey.com/about-us/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Internationally recognized node of Chicago's improvised-music history and archive.",
          "sources": [
            "https://en.wikipedia.org/wiki/John_Corbett_(writer)"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://corbettvsdempsey.com/events/"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://corbettvsdempsey.com/about-us/",
          "https://corbettvsdempsey.com/events/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "df6ae3cbe06dd9c0",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: gallery/label deeply tied to free jazz, but confirm current cadence of live concerts vs. exhibitions/releases.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Art gallery with an associated record label, book imprint and archive specializing in improvised and experimental music; presents occasional concerts and events tied to that legacy."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Concerts/events are occasional alongside the exhibition program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Represents Peter Brotzmann and the estate of Sun Ra; co-founder John Corbett is a noted champion of free jazz and improvisation (co-curated the Empty Bottle Jazz Series)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "States that creative music has always been a feature of the gallery's activities."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Commercial art gallery (opened 2004) with a strong creative-music mission."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Internationally recognized node of Chicago's improvised-music history and archive."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "flywheel-arts-collective",
      "name": "Flywheel Arts Collective",
      "aliases": [
        "Flywheel"
      ],
      "status": "active",
      "location": {
        "address": "43 Main St",
        "city": "Easthampton",
        "region": "MA",
        "country": "US",
        "lat": 42.2667,
        "lon": -72.669
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://flywheelarts.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Consensus-run, all-volunteer DIY nonprofit performance space; among its all-ages programming it regularly hosts experimental and improvised music.",
          "sources": [
            "https://en.wikipedia.org/wiki/Flywheel_Arts_Collective",
            "https://flywheelarts.org/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Ongoing calendar of concerts, film, theater and community events; experimental music recurs within a broad program.",
          "sources": [
            "https://flywheelarts.org/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books a wide range of underground and experimental artists reflecting the Pioneer Valley experimental scene.",
          "sources": [
            "https://www.florilegio.org/guyub/andrea-pensado-experimental-music-in-massachusetts-and-around-a-subjective-outlook/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as a DIY, artist-driven collective producing shows that reflect artists' visions rather than industry values.",
          "sources": [
            "https://en.wikipedia.org/wiki/Flywheel_Arts_Collective"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Collectively run, consensus-governed, volunteer DIY nonprofit (founded 1998/99).",
          "sources": [
            "https://en.wikipedia.org/wiki/Flywheel_Arts_Collective"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Long-running fixture of western-Massachusetts DIY culture.",
          "sources": [
            "https://www.easthamptoncityarts.com/venue/flywheel-arts-collective/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "All-ages performance room in Easthampton's historic Old Town Hall.",
          "sources": [
            "https://flywheelarts.org/"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://en.wikipedia.org/wiki/Flywheel_Arts_Collective",
          "https://flywheelarts.org/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "66225ac27dfef5cf",
        "crawl_http_status": 200
      },
      "notes": "DIY consensus-run collective; experimental/improv is part of a broad all-genre all-ages program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Consensus-run, all-volunteer DIY nonprofit performance space; among its all-ages programming it regularly hosts experimental and improvised music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Ongoing calendar of concerts, film, theater and community events; experimental music recurs within a broad program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Books a wide range of underground and experimental artists reflecting the Pioneer Valley experimental scene."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as a DIY, artist-driven collective producing shows that reflect artists' visions rather than industry values."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Collectively run, consensus-governed, volunteer DIY nonprofit (founded 1998/99)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Long-running fixture of western-Massachusetts DIY culture."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "All-ages performance room in Easthampton's historic Old Town Hall."
        }
      ]
    },
    {
      "id": "monty-hall-wfmu",
      "name": "Monty Hall (WFMU)",
      "aliases": [
        "WFMU's Monty Hall"
      ],
      "status": "active",
      "location": {
        "address": "43 Montgomery St",
        "city": "Jersey City",
        "region": "NJ",
        "country": "US",
        "lat": 40.7178,
        "lon": -74.0431
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://wfmu.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Performance space operated by freeform radio station WFMU (opened 2014) that continues the station's freeform tradition, hosting experimental and improvised acts.",
          "sources": [
            "https://www.brooklynvegan.com/wfmus-performan/",
            "https://brooklynrail.org/2015/12/music/the-ex-at-monty-hall/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular calendar of concerts ranging from indie to experimental and improvised music.",
          "sources": [
            "https://donyc.com/venues/monty-hall-wfmu"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Has hosted experimental/improv artists such as The Ex (with Ken Vandermark), Sir Richard Bishop and Tashi Dorji.",
          "sources": [
            "https://brooklynrail.org/2015/12/music/the-ex-at-monty-hall/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Presented as continuing WFMU's longstanding freeform, non-commercial ethos.",
          "sources": [
            "https://www.brooklynvegan.com/wfmus-performan/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Run by listener-supported, non-commercial WFMU, the longest-running freeform radio station in the US.",
          "sources": [
            "https://wfmu.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized Jersey City venue tied to WFMU's freeform reputation.",
          "sources": [
            "https://www.timeout.com/newyork/music/wfmu-monty-hall"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate seated performance space at the WFMU building.",
          "sources": [
            "https://donyc.com/venues/monty-hall-wfmu"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.brooklynvegan.com/wfmus-performan/",
          "https://brooklynrail.org/2015/12/music/the-ex-at-monty-hall/",
          "https://wfmu.org/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "38070a9b9506fcd9",
        "crawl_http_status": 200
      },
      "notes": "WFMU's Jersey City performance room; experimental/improv is a meaningful strand of a broader freeform program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Performance space operated by freeform radio station WFMU (opened 2014) that continues the station's freeform tradition, hosting experimental and improvised acts."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular calendar of concerts ranging from indie to experimental and improvised music."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Has hosted experimental/improv artists such as The Ex (with Ken Vandermark), Sir Richard Bishop and Tashi Dorji."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Presented as continuing WFMU's longstanding freeform, non-commercial ethos."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Run by listener-supported, non-commercial WFMU, the longest-running freeform radio station in the US."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized Jersey City venue tied to WFMU's freeform reputation."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Intimate seated performance space at the WFMU building."
        }
      ]
    },
    {
      "id": "nasjonal-jazzscene-victoria-oslo",
      "name": "Nasjonal Jazzscene Victoria",
      "aliases": [
        "Victoria",
        "Nasjonal jazzscene"
      ],
      "status": "active",
      "location": {
        "address": "Karl Johans gate 35",
        "city": "Oslo",
        "region": "Oslo",
        "country": "NO",
        "lat": 59.9139,
        "lon": 10.7418
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": 300,
      "website": "https://nasjonaljazzscene.no/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Norway's national jazz stage; program ranges from mainstream to free improvisation.",
          "sources": [
            "https://www.europejazz.net/venues/victoria-nasjonal-jazzscene"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Around 180 concerts a year, typically Wednesday to Saturday.",
          "sources": [
            "https://www.europejazz.net/venues/victoria-nasjonal-jazzscene",
            "https://www.visitoslo.com/en/product/?tlp=2981393&name=Nasjonal-jazzscene--Victoria"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Reflects the Norwegian and international jazz scene, mainly modern/melodic jazz but extending to free improvisation.",
          "sources": [
            "https://www.europejazz.net/venues/victoria-nasjonal-jazzscene"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as the national jazz scene; adventurous programming is part of a broad jazz mission.",
          "sources": [
            "https://www.europejazz.net/venues/victoria-nasjonal-jazzscene"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Nonprofit foundation operating Norway's national jazz venue.",
          "sources": [
            "https://www.europejazz.net/members/nasjonal-jazzscene"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Named one of the finest jazz clubs in Europe.",
          "sources": [
            "https://www.europejazz.net/venues/victoria-nasjonal-jazzscene"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Former cinema converted into an intimate seated listening venue with excellent sound.",
          "sources": [
            "https://www.visitoslo.com/en/product/?tlp=2981393&name=Nasjonal-jazzscene--Victoria"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.europejazz.net/venues/victoria-nasjonal-jazzscene",
          "https://www.visitoslo.com/en/product/?tlp=2981393&name=Nasjonal-jazzscene--Victoria"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "94f7eea50b788e13",
        "crawl_http_status": 200
      },
      "notes": "National jazz stage; mostly modern jazz with programming that reaches to free improvisation.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Norway's national jazz stage; program ranges from mainstream to free improvisation."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Around 180 concerts a year, typically Wednesday to Saturday."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Reflects the Norwegian and international jazz scene, mainly modern/melodic jazz but extending to free improvisation."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as the national jazz scene; adventurous programming is part of a broad jazz mission."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Nonprofit foundation operating Norway's national jazz venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Named one of the finest jazz clubs in Europe."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Former cinema converted into an intimate seated listening venue with excellent sound."
        }
      ]
    },
    {
      "id": "seoul-art-space-mullae",
      "name": "Seoul Art Space Mullae",
      "aliases": [
        "Mullae Art Space",
        "Mullae Arts Village"
      ],
      "status": "active",
      "location": {
        "address": "Mullae-dong, Yeongdeungpo-gu",
        "city": "Seoul",
        "region": "Seoul",
        "country": "KR",
        "neighborhood": "Mullae",
        "lat": 37.5147,
        "lon": 126.8947
      },
      "type": "arts_center",
      "operating_model": "municipal",
      "capacity": null,
      "website": "https://www.sfac.or.kr/site/SFAC_ENG/04/10406000000002018110509.jsp",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Municipal creative space (opened 2010) that supports experimental music and sound art among broader arts programming.",
          "sources": [
            "https://www.sfac.or.kr/site/SFAC_ENG/04/10406000000002018110509.jsp",
            "https://english.seoul.go.kr/seoul-art-space-mullae-mullae-creative-village/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Recurring experimental music/sound-art events and residencies, not nightly gigs.",
          "sources": [
            "https://english.seoul.go.kr/seoul-art-space-mullae-mullae-creative-village/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Hosts and has documented international improvisers/experimentalists (e.g. Will Guthrie & Hong Chulki recorded at Mullae in 2016).",
          "sources": [
            "https://www.squidco.com/miva/merchant.mvc?Screen=PROD&Store_Code=S&Product_Code=25627"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes itself as a platform for experimental music and sound art, free from genre barriers.",
          "sources": [
            "https://www.sfac.or.kr/site/SFAC_ENG/04/10406000000002018110509.jsp"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Run by the Seoul Foundation for Arts and Culture (municipal/nonprofit).",
          "sources": [
            "https://www.sfac.or.kr/site/SFAC_ENG/04/10406000000002018110509.jsp"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "An important hub within Seoul's experimental/improvised music community.",
          "sources": [
            "https://english.seoul.go.kr/seoul-art-space-mullae-mullae-creative-village/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Multipurpose theaters and studios rather than a single dedicated listening room.",
          "sources": [
            "https://english.seoul.go.kr/seoul-art-space-mullae-mullae-creative-village/"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.sfac.or.kr/site/SFAC_ENG/04/10406000000002018110509.jsp",
          "https://english.seoul.go.kr/seoul-art-space-mullae-mullae-creative-village/",
          "https://www.squidco.com/miva/merchant.mvc?Screen=PROD&Store_Code=S&Product_Code=25627"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "db738bc2806e3e48",
        "crawl_http_status": 200
      },
      "notes": "Municipal creative-arts complex in the Mullae ironworks district supporting experimental music and sound art; broader arts remit than a dedicated improv room.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Municipal creative space (opened 2010) that supports experimental music and sound art among broader arts programming."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Recurring experimental music/sound-art events and residencies, not nightly gigs."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Hosts and has documented international improvisers/experimentalists (e.g. Will Guthrie & Hong Chulki recorded at Mullae in 2016)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes itself as a platform for experimental music and sound art, free from genre barriers."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Run by the Seoul Foundation for Arts and Culture (municipal/nonprofit)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "An important hub within Seoul's experimental/improvised music community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Multipurpose theaters and studios rather than a single dedicated listening room."
        }
      ]
    },
    {
      "id": "the-daac-grand-rapids",
      "name": "The DAAC",
      "aliases": [
        "Division Avenue Arts Collective"
      ],
      "status": "active",
      "location": {
        "address": "1944 S Division Ave",
        "city": "Grand Rapids",
        "region": "MI",
        "country": "US",
        "neighborhood": "Avenue for the Arts",
        "lat": 42.9432,
        "lon": -85.6712
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.thedaac.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "All-ages, volunteer-run community space hosting concerts, improv sessions, listening parties and workshops in Grand Rapids' Avenue for the Arts district.",
          "sources": [
            "https://www.thedaac.org/about",
            "https://localspins.com/the-daac-in-grand-rapids-returns-to-its-s-division-avenue-roots-in-larger-inclusive-space/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular concerts and improv sessions among its ongoing programming.",
          "sources": [
            "https://www.thedaac.org/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "DIY/underground and experimental acts across a wide range of styles.",
          "sources": [
            "https://www.indieonthemove.com/venues/the-daac-grand-rapids-michigan"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Committed to being non-commercial and independent, fostering a 'do-it-together' participatory culture.",
          "sources": [
            "https://www.thedaac.org/about"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Not-for-profit, all-ages, volunteer-run collective (founded 2003).",
          "sources": [
            "https://localwiki.org/gr/Division_Avenue_Arts_Collective"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Long-standing anchor of the Grand Rapids DIY/all-ages scene.",
          "sources": [
            "https://localspins.com/the-daac-is-back-grand-rapids-art-collective-finally-finds-a-new-home-local-spins/"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://www.thedaac.org/booking"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.thedaac.org/about",
          "https://localspins.com/the-daac-in-grand-rapids-returns-to-its-s-division-avenue-roots-in-larger-inclusive-space/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "2c72c503b599a8c6",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: volunteer-run DIY collective that hosts improv sessions and experimental shows; confirm current cadence of improv-specific programming at the new S. Division location.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "All-ages, volunteer-run community space hosting concerts, improv sessions, listening parties and workshops in Grand Rapids' Avenue for the Arts district."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular concerts and improv sessions among its ongoing programming."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "DIY/underground and experimental acts across a wide range of styles."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Committed to being non-commercial and independent, fostering a 'do-it-together' participatory culture."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Not-for-profit, all-ages, volunteer-run collective (founded 2003)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Long-standing anchor of the Grand Rapids DIY/all-ages scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "turn-turn-turn-portland",
      "name": "Turn! Turn! Turn!",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "8 NE Killingsworth St",
        "city": "Portland",
        "region": "OR",
        "country": "US",
        "neighborhood": "Northeast Portland",
        "lat": 45.5626,
        "lon": -122.6668
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://turnturnturnpdx.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Hosts the Creative Music Guild's twice-monthly Outset Series of experimental and improvised music alongside its broader programming.",
          "sources": [
            "https://elevenpdx.com/live/know-your-venue/turn-turn-turn/",
            "https://creativemusicguild.org/outset-series/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Four to five shows a week overall; experimental/improvised nights recur roughly twice a month via CMG.",
          "sources": [
            "https://elevenpdx.com/live/know-your-venue/turn-turn-turn/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Programming ranges from indie rock to totally improvised music; hosts local and touring improvisers through CMG.",
          "sources": [
            "https://elevenpdx.com/live/know-your-venue/turn-turn-turn/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Community-oriented venue presenting \"the fringes of culture\" with a DIY, build-your-own-bill ethos.",
          "sources": [
            "https://turnturnturnpdx.com/",
            "https://elevenpdx.com/community/turn-turn-turn-turns-10/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial venue/bar and mini record store with a strong DIY community mindset.",
          "sources": [
            "https://turnturnturnpdx.com/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Well-known intimate community venue and a key host for the Creative Music Guild.",
          "sources": [
            "https://elevenpdx.com/community/turn-turn-turn-turns-10/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Small all-ages music room and bar.",
          "sources": [
            "https://elevenpdx.com/live/know-your-venue/turn-turn-turn/"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://turnturnturnpdx.com/",
          "https://elevenpdx.com/live/know-your-venue/turn-turn-turn/",
          "https://creativemusicguild.org/outset-series/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "8fe2f9f38c8972c4",
        "crawl_http_status": 200
      },
      "notes": "NE Portland community venue/bar and mini record store; regular host of the Creative Music Guild's Outset Series.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Hosts the Creative Music Guild's twice-monthly Outset Series of experimental and improvised music alongside its broader programming."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Four to five shows a week overall; experimental/improvised nights recur roughly twice a month via CMG."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Programming ranges from indie rock to totally improvised music; hosts local and touring improvisers through CMG."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Community-oriented venue presenting \"the fringes of culture\" with a DIY, build-your-own-bill ethos."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial venue/bar and mini record store with a strong DIY community mindset."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Well-known intimate community venue and a key host for the Creative Music Guild."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Small all-ages music room and bar."
        }
      ]
    },
    {
      "id": "vermillion-seattle",
      "name": "Vermillion Art Gallery and Bar",
      "aliases": [
        "Vermillion"
      ],
      "status": "active",
      "location": {
        "address": "1508 11th Ave",
        "city": "Seattle",
        "region": "WA",
        "country": "US",
        "neighborhood": "Capitol Hill",
        "lat": 47.6141,
        "lon": -122.3172
      },
      "type": "gallery",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://www.vermillionseattle.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Hybrid art gallery/bar that has mainly hosted the city's avant-garde and improvised-music community; long-time home of the Seattle Jazz Fellowship's weekly series before it moved to Pioneer Square.",
          "sources": [
            "https://www.vermillionseattle.com/about",
            "https://seattlejazzscene.com/2021/10/seattle-jazz-fellowship-one-small-step-at-vermillion-one-giant-step-for-the-seattle-jazz-scene/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Continues to host live jazz and improvised groups a few times a month.",
          "sources": [
            "https://independentvenueweek.com/us/venues-us/vermillion/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programming drawn largely from Seattle's improvised and avant-garde music community.",
          "sources": [
            "https://seattlejazzscene.com/2021/10/seattle-jazz-fellowship-one-small-step-at-vermillion-one-giant-step-for-the-seattle-jazz-scene/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as an art gallery, performance space and bar and a neighborhood cultural hub.",
          "sources": [
            "https://www.vermillionseattle.com/about"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial gallery/bar with a strong arts mission.",
          "sources": [
            "https://www.vermillionseattle.com/about"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized cultural hub in Capitol Hill's Pike/Pine arts corridor.",
          "sources": [
            "https://p2bars.com/bars-near-me/vermillion/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Gallery/bar setting; music shares the room with a bar.",
          "sources": [
            "https://www.vermillionseattle.com/about"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.vermillionseattle.com/",
          "https://seattlejazzscene.com/2021/10/seattle-jazz-fellowship-one-small-step-at-vermillion-one-giant-step-for-the-seattle-jazz-scene/",
          "https://independentvenueweek.com/us/venues-us/vermillion/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "72410b8e9030d391",
        "crawl_http_status": 200
      },
      "notes": "Capitol Hill gallery/bar, established 2008. Formerly the weekly home of the Seattle Jazz Fellowship; still hosts improvised/avant music a few times a month.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Hybrid art gallery/bar that has mainly hosted the city's avant-garde and improvised-music community; long-time home of the Seattle Jazz Fellowship's weekly series before it moved to Pioneer Square."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Continues to host live jazz and improvised groups a few times a month."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programming drawn largely from Seattle's improvised and avant-garde music community."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as an art gallery, performance space and bar and a neighborhood cultural hub."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial gallery/bar with a strong arts mission."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized cultural hub in Capitol Hill's Pike/Pine arts corridor."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Gallery/bar setting; music shares the room with a bar."
        }
      ]
    },
    {
      "id": "zootown-arts-community-center-missoula",
      "name": "Zootown Arts Community Center",
      "aliases": [
        "ZACC"
      ],
      "status": "active",
      "location": {
        "address": "216 W Main St",
        "city": "Missoula",
        "region": "MT",
        "country": "US",
        "lat": 46.872,
        "lon": -113.996
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.zootownarts.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Nonprofit community arts center whose Show Room hosts concerts nearly every night, including experimental and improvised acts and the annual Jazzoula series.",
          "sources": [
            "https://showroom.zootownarts.org/event-genres/concerts/page/3/",
            "https://showroom.zootownarts.org/events/category/series/jazzoula-2024/zootown-arts-community-center/missoula-montana/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Something new nearly every night; experimental/improvised music is a recurring subset.",
          "sources": [
            "https://destinationmissoula.org/partner/zootown-arts-community-center"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Hosts experimental/improv acts (e.g. BigSkyLight's improvised acoustic environments; experimental trio Panic Boner) among broad programming.",
          "sources": [
            "https://showroom.zootownarts.org/event/big-sky-light-w-bill-mize-ft-beth-youngblood-beth-bramhall/zootown-arts-community-center/missoula-montana/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "A multi-use nonprofit dedicated to supporting local and regional artists, performers and musicians of all kinds.",
          "sources": [
            "https://destinationmissoula.org/partner/zootown-arts-community-center"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit community arts center.",
          "sources": [
            "https://www.zootownarts.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A central hub of Missoula's arts and live-music scene.",
          "sources": [
            "https://missoula.com/music/missoulas-music-venues/article_c9172b96-3a5d-11e7-bb56-4f7dc884a0bf.html"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "The ZACC Show Room is a dedicated concert/performance space.",
          "sources": [
            "https://www.zootownarts.org/shows-events/shows-events.html"
          ]
        }
      },
      "score": 64,
      "tier": "supportive",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.zootownarts.org/",
          "https://showroom.zootownarts.org/event-genres/concerts/page/3/",
          "https://destinationmissoula.org/partner/zootown-arts-community-center"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "2f8027c133ffd51b",
        "crawl_http_status": 200
      },
      "notes": "Missoula's nonprofit community arts center; its Show Room hosts experimental/improvised acts and the Jazzoula series within broad nightly programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Nonprofit community arts center whose Show Room hosts concerts nearly every night, including experimental and improvised acts and the annual Jazzoula series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Something new nearly every night; experimental/improvised music is a recurring subset."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Hosts experimental/improv acts (e.g. BigSkyLight's improvised acoustic environments; experimental trio Panic Boner) among broad programming."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "A multi-use nonprofit dedicated to supporting local and regional artists, performers and musicians of all kinds."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit community arts center."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "A central hub of Missoula's arts and live-music scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "The ZACC Show Room is a dedicated concert/performance space."
        }
      ]
    },
    {
      "id": "arcadenow-fort-smith",
      "name": "ArcadeNow",
      "aliases": [],
      "status": "unconfirmed",
      "location": {
        "address": "70 S 7th St",
        "city": "Fort Smith",
        "region": "AR",
        "country": "US",
        "neighborhood": "Bakery District",
        "lat": 35.3853,
        "lon": -94.4267
      },
      "type": "festival",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "http://www.amoscochran.com/arcade-now",
      "active_this_year": false,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "A series created to champion and make space for the more experimental side of music, film, dance and visual art across Arkansas; curated by composer Amos Cochran.",
          "sources": [
            "https://arktimes.com/entertainment/2022/11/07/experimental-music-series-this-weekend-in-fort-smith",
            "http://www.amoscochran.com/arcade-now"
          ]
        },
        "show_frequency": {
          "value": 1,
          "evidence": "Volume 1 was staged in 2022 (Nov 11-12) at the Bakery District; the organizers were subsequently evaluating what comes next.",
          "sources": [
            "https://arktimes.com/entertainment/2022/11/07/experimental-music-series-this-weekend-in-fort-smith"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programmed post-classical, ambient, electronic, solo-instrument, modular-synth and cross-genre work (e.g. a rapper paired with string quartet).",
          "sources": [
            "https://arktimes.com/entertainment/2022/11/07/experimental-music-series-this-weekend-in-fort-smith"
          ]
        },
        "self_description": {
          "value": 5,
          "evidence": "Explicitly frames itself around championing experimental music, film, dance and visual art.",
          "sources": [
            "http://www.amoscochran.com/arcade-now"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Grant-funded curatorial project (Artists 360 / Mid-America Arts Alliance) led by a Kennedy Center-recognized composer.",
          "sources": [
            "https://arktimes.com/entertainment/2022/11/07/experimental-music-series-this-weekend-in-fort-smith"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Covered by Arkansas Times as a notable experimental-music series in the region.",
          "sources": [
            "https://arktimes.com/entertainment/2022/11/07/experimental-music-series-this-weekend-in-fort-smith"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Presented in the Bakery District arts venue as a seated/attentive event.",
          "sources": [
            "https://arktimes.com/entertainment/2022/11/07/experimental-music-series-this-weekend-in-fort-smith"
          ]
        }
      },
      "score": 63,
      "tier": "supportive",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://www.amoscochran.com/arcade-now",
          "https://arktimes.com/entertainment/2022/11/07/experimental-music-series-this-weekend-in-fort-smith"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "061e19dc5291dc10",
        "crawl_http_status": 200
      },
      "notes": "Amos Cochran-curated experimental series (Fort Smith Bakery District); only Volume 1 (2022) is documented and future editions were unconfirmed - status/activity needs verification.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "A series created to champion and make space for the more experimental side of music, film, dance and visual art across Arkansas; curated by composer Amos Cochran."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 1.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 20,
          "evidence": "Volume 1 was staged in 2022 (Nov 11-12) at the Bakery District; the organizers were subsequently evaluating what comes next."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programmed post-classical, ambient, electronic, solo-instrument, modular-synth and cross-genre work (e.g. a rapper paired with string quartet)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 5,
          "max_value": 5,
          "points": 12.0,
          "max_points": 12,
          "evidence": "Explicitly frames itself around championing experimental music, film, dance and visual art."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Grant-funded curatorial project (Artists 360 / Mid-America Arts Alliance) led by a Kennedy Center-recognized composer."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Covered by Arkansas Times as a notable experimental-music series in the region."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Presented in the Bakery District arts venue as a seated/attentive event."
        }
      ]
    },
    {
      "id": "bird-beckett-books-and-records",
      "name": "Bird & Beckett Books and Records",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "San Francisco",
        "region": "CA",
        "country": "US",
        "neighborhood": "Glen Park",
        "lat": 37.734,
        "lon": -122.433
      },
      "type": "record_store",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://www.birdbeckett.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Independent bookstore hosting a long-running weekly jazz and creative-music series."
        },
        "show_frequency": {
          "value": 4
        },
        "artist_roster": {
          "value": 3
        },
        "self_description": {
          "value": 2
        },
        "operating_model": {
          "value": 3
        },
        "community_reputation": {
          "value": 3
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate bookstore listening setting."
        }
      },
      "score": 63,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://birdbeckett.com/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "d782230f08db73dd",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: leans jazz; confirm share of free/creative programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Independent bookstore hosting a long-running weekly jazz and creative-music series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": ""
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate bookstore listening setting."
        }
      ]
    },
    {
      "id": "city-of-asylum-alphabet-city",
      "name": "City of Asylum @ Alphabet City",
      "aliases": [
        "Alphabet City",
        "City of Asylum"
      ],
      "status": "active",
      "location": {
        "address": "40 W North Ave",
        "city": "Pittsburgh",
        "region": "PA",
        "country": "US",
        "neighborhood": "North Side",
        "lat": 40.4536,
        "lon": -80.009
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://cityofasylum.org/venue/alphabet-city/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Home of Jazz Poetry (poets reading while jazz musicians improvise one-and-done accompaniment) and a recurring Thursday Night Jazz series.",
          "sources": [
            "https://cityofasylum.org/venue/alphabet-city/",
            "https://www.wzum.org/wzum-in-the-community/2025/5/jazz-poetry-month-at-city-of-asylum-alphabet-city-north-side-p5hbd"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular small-scale music and performance programming; Jazz Poetry runs all of May, plus recurring Thursday jazz nights.",
          "sources": [
            "https://cucinaalfabeto.com/events/city-of-asylum-thursday-night-jazz-3",
            "https://www.jazznearyou.com/pittsburgh/venue/alphabet-city"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Jazz Poetry has paired improvisers such as Oliver Lake and Marta Sanchez with writers-in-residence; roster mixes creative-jazz and mainstream jazz.",
          "sources": [
            "https://www.wzum.org/wzum-in-the-community/2025/5/jazz-poetry-month-at-city-of-asylum-alphabet-city-north-side-p5hbd"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Describes itself as a hub for readers/writers and small-scale music and artistic experimentation, not specifically a free-improv venue.",
          "sources": [
            "https://www.jazznearyou.com/pittsburgh/venue/alphabet-city"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Program of City of Asylum, a nonprofit sheltering exiled writers.",
          "sources": [
            "https://cityofasylum.org/venue/alphabet-city/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Jazz Poetry is one of Pittsburgh's signature arts events since 2005.",
          "sources": [
            "https://www.wzum.org/wzum-in-the-community/2025/5/jazz-poetry-month-at-city-of-asylum-alphabet-city-north-side-p5hbd"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Intimate seated performance space for attentive listening.",
          "sources": [
            "https://cityofasylum.org/venue/alphabet-city/"
          ]
        }
      },
      "score": 63,
      "tier": "supportive",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://cityofasylum.org/venue/alphabet-city/",
          "https://www.wzum.org/wzum-in-the-community/2025/5/jazz-poetry-month-at-city-of-asylum-alphabet-city-north-side-p5hbd"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "0d7c3a6f8802a704",
        "crawl_http_status": 200
      },
      "notes": "Nonprofit literary + jazz venue on Pittsburgh's North Side; improvised music appears mainly through Jazz Poetry and Thursday jazz, within a broader literary program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Home of Jazz Poetry (poets reading while jazz musicians improvise one-and-done accompaniment) and a recurring Thursday Night Jazz series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular small-scale music and performance programming; Jazz Poetry runs all of May, plus recurring Thursday jazz nights."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Jazz Poetry has paired improvisers such as Oliver Lake and Marta Sanchez with writers-in-residence; roster mixes creative-jazz and mainstream jazz."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Describes itself as a hub for readers/writers and small-scale music and artistic experimentation, not specifically a free-improv venue."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Program of City of Asylum, a nonprofit sheltering exiled writers."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Jazz Poetry is one of Pittsburgh's signature arts events since 2005."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Intimate seated performance space for attentive listening."
        }
      ]
    },
    {
      "id": "rothko-chapel-houston",
      "name": "Rothko Chapel",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "3900 Yupon St",
        "city": "Houston",
        "region": "TX",
        "country": "US",
        "neighborhood": "Montrose",
        "lat": 29.7377,
        "lon": -95.3961
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://rothkochapel.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Hosts Nameless Sound's site-specific Sound Observations events and its own Music for Rothko programming pairing cutting-edge musicians with the chapel's environment.",
          "sources": [
            "https://www.namelesssound.org/programs/concerts",
            "https://rothkochapel.org/experience/events/event/music-for-rothko/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Music events are occasional and curated rather than a continuous series.",
          "sources": [
            "https://www.rothkochapel.org/experience/events/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Programs cutting-edge and avant-garde performers (e.g. Feldman/Satie/Cage programs, Nameless Sound improvisers).",
          "sources": [
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "A sacred meditative art space; new/experimental music is one curated dimension of its events.",
          "sources": [
            "https://rothkochapel.org/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit chapel and art institution.",
          "sources": [
            "https://rothkochapel.org/"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Internationally renowned art environment repeatedly cited in Houston experimental-music surveys.",
          "sources": [
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Contemplative, silent sanctuary - an exceptional attentive-listening environment.",
          "sources": [
            "https://rothkochapel.org/"
          ]
        }
      },
      "score": 63,
      "tier": "supportive",
      "confidence": 0.66,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://rothkochapel.org/",
          "https://www.namelesssound.org/programs/concerts"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "8fc5c089698ead41",
        "crawl_http_status": 200
      },
      "notes": "Montrose meditative art chapel; a recurring site for Nameless Sound's site-specific experimental/improvised programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Hosts Nameless Sound's site-specific Sound Observations events and its own Music for Rothko programming pairing cutting-edge musicians with the chapel's environment."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Music events are occasional and curated rather than a continuous series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Programs cutting-edge and avant-garde performers (e.g. Feldman/Satie/Cage programs, Nameless Sound improvisers)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "A sacred meditative art space; new/experimental music is one curated dimension of its events."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit chapel and art institution."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Internationally renowned art environment repeatedly cited in Houston experimental-music surveys."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Contemplative, silent sanctuary - an exceptional attentive-listening environment."
        }
      ]
    },
    {
      "id": "tokuzo-nagoya",
      "name": "Tokuzo",
      "aliases": [
        "\u5f97\u4e09",
        "Live & Bar Tokuzo"
      ],
      "status": "active",
      "location": {
        "address": "Imaike, Chikusa-ku",
        "city": "Nagoya",
        "region": "Aichi",
        "country": "JP",
        "neighborhood": "Imaike",
        "lat": 35.1668,
        "lon": 136.9375
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 150,
      "website": "https://www.tokuzo.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "One of Nagoya's leading live venues with a broad program that regularly includes leftfield jazz and improvised music.",
          "sources": [
            "https://www.facebook.com/japandragonfly/posts/1073807909419582/",
            "https://injapan.gaijinpot.com/play/travel/2010/08/12/nagoya-live-houses/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Live music most nights; free/avant jazz is a recurring part of a wide calendar.",
          "sources": [
            "https://injapan.gaijinpot.com/play/travel/2010/08/12/nagoya-live-houses/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Has hosted Akira Sakata, Takeo Moriyama and Satoko Fujii's orchestra (documented live recordings).",
          "sources": [
            "https://akirasakata.bandcamp.com/album/tokuzo",
            "https://www.allaboutjazz.com/sanrei-satoko-fujii-bakamo-records-review-by-eyal-hareuveni"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents as a broad live house / bar with great acoustics rather than a dedicated experimental space.",
          "sources": [
            "https://www.facebook.com/japandragonfly/posts/1073807909419582/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial live house.",
          "sources": [
            "https://injapan.gaijinpot.com/play/travel/2010/08/12/nagoya-live-houses/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Well regarded stop for non-mainstream and leftfield touring acts in Nagoya.",
          "sources": [
            "https://www.facebook.com/japandragonfly/posts/1073807909419582/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated live venue with a good sound system suited to jazz.",
          "sources": [
            "https://www.facebook.com/japandragonfly/posts/1073807909419582/"
          ]
        }
      },
      "score": 63,
      "tier": "supportive",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://akirasakata.bandcamp.com/album/tokuzo",
          "https://injapan.gaijinpot.com/play/travel/2010/08/12/nagoya-live-houses/",
          "https://www.allaboutjazz.com/sanrei-satoko-fujii-bakamo-records-review-by-eyal-hareuveni"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ca79de09b0f4f9b1",
        "crawl_http_status": 200
      },
      "notes": "Nagoya live house in Imaike; broad program that regularly includes free/avant jazz (Sakata, Moriyama, Satoko Fujii).",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "One of Nagoya's leading live venues with a broad program that regularly includes leftfield jazz and improvised music."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Live music most nights; free/avant jazz is a recurring part of a wide calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Has hosted Akira Sakata, Takeo Moriyama and Satoko Fujii's orchestra (documented live recordings)."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents as a broad live house / bar with great acoustics rather than a dedicated experimental space."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial live house."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Well regarded stop for non-mainstream and leftfield touring acts in Nagoya."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated live venue with a good sound system suited to jazz."
        }
      ]
    },
    {
      "id": "notsuoh-houston",
      "name": "notsuoH",
      "aliases": [
        "Notsuoh",
        "The Dome at Notsuoh"
      ],
      "status": "active",
      "location": {
        "address": "314 Main St",
        "city": "Houston",
        "region": "TX",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 29.7607,
        "lon": -95.363
      },
      "type": "bar_club",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.notsuoh.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Long-running artist-run venue and social sculpture that is a regular canvas for experimental live music and performance; The Dome hosts immersive sound and video work.",
          "sources": [
            "https://www.notsuoh.com/",
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Frequent open, eclectic music and performance nights; described as open to just about anything.",
          "sources": [
            "https://www.notsuoh.com/events"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Programs experimental, improvised and outsider performers among a very diverse calendar.",
          "sources": [
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Invites work that is passionate, heartfelt and experimental; frames itself as an art project.",
          "sources": [
            "https://www.notsuoh.com/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Artist-run bar/social-sculpture operated by artist Jim Pirtle since 1996.",
          "sources": [
            "https://downtownhouston.org/go/notsuoh"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Cited in Houston experimental-music surveys as a space open to fringe work.",
          "sources": [
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Eccentric multi-level bar; The Dome offers a more immersive setting but the venue is not a formal listening room.",
          "sources": [
            "https://www.thedomeatnotsuoh.com/"
          ]
        }
      },
      "score": 63,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.notsuoh.com/",
          "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "3883ce06afc0ef32",
        "crawl_http_status": 200
      },
      "notes": "Downtown artist-run bar/'social sculpture'; a longtime open door for Houston experimental music and performance.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Long-running artist-run venue and social sculpture that is a regular canvas for experimental live music and performance; The Dome hosts immersive sound and video work."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Frequent open, eclectic music and performance nights; described as open to just about anything."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Programs experimental, improvised and outsider performers among a very diverse calendar."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Invites work that is passionate, heartfelt and experimental; frames itself as an art project."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Artist-run bar/social-sculpture operated by artist Jim Pirtle since 1996."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Cited in Houston experimental-music surveys as a space open to fringe work."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Eccentric multi-level bar; The Dome offers a more immersive setting but the venue is not a formal listening room."
        }
      ]
    },
    {
      "id": "ayurprana-listening-room",
      "name": "AyurPrana Listening Room",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "312 Haywood Rd",
        "city": "Asheville",
        "region": "NC",
        "country": "US",
        "neighborhood": "West Asheville",
        "lat": 35.5828,
        "lon": -82.5776
      },
      "type": "dedicated_space",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://ayurpranalisteningroom.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Dedicated listening room that programs experimental and improvised artists among a broader adventurous-music calendar; has hosted Catalytic Sound Festival Asheville events.",
          "sources": [
            "https://ayurpranalisteningroom.com/",
            "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular schedule of listening-room concerts.",
          "sources": [
            "https://ayurpranalisteningroom.com/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books experimental musicians (associated with local improviser Tashi Dorji's curation) alongside singer-songwriter and world music.",
          "sources": [
            "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Presents itself as a dedicated listening room for immersive, attentive music.",
          "sources": [
            "https://ayurpranalisteningroom.com/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independently operated listening room (attached to a wellness/yoga space).",
          "sources": [
            "https://ayurpranalisteningroom.com/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Cited among Asheville's key spaces for experimental and improvised music.",
          "sources": [
            "https://www.afar.com/magazine/where-to-see-music-performing-arts-in-asheville-nc"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "A purpose-built listening room prioritizing attentive, seated listening.",
          "sources": [
            "https://ayurpranalisteningroom.com/"
          ]
        }
      },
      "score": 62,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://ayurpranalisteningroom.com/",
          "https://www.blackmountaincollege.org/catalytic-sound-festival-asheville-2022/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "d11a86ad7b101fde",
        "crawl_http_status": 200
      },
      "notes": "West Asheville listening room that hosts experimental/improvised shows (including Catalytic Sound events). Share of improv within its overall calendar not fully verified; needs human review.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Dedicated listening room that programs experimental and improvised artists among a broader adventurous-music calendar; has hosted Catalytic Sound Festival Asheville events."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular schedule of listening-room concerts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Books experimental musicians (associated with local improviser Tashi Dorji's curation) alongside singer-songwriter and world music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Presents itself as a dedicated listening room for immersive, attentive music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independently operated listening room (attached to a wellness/yoga space)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Cited among Asheville's key spaces for experimental and improvised music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "A purpose-built listening room prioritizing attentive, seated listening."
        }
      ]
    },
    {
      "id": "beacon-sound-portland",
      "name": "Beacon Sound",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "2730-32 NE Martin Luther King Jr Blvd",
        "city": "Portland",
        "region": "OR",
        "country": "US",
        "neighborhood": "Northeast Portland",
        "lat": 45.539,
        "lon": -122.662
      },
      "type": "record_store",
      "operating_model": "commercial",
      "capacity": null,
      "website": "http://beaconsound.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Record shop and experimental label that also serves as an event space and \"home for all sorts of happenings,\" hosting experimental/ambient/modern-composition performances.",
          "sources": [
            "http://beaconsound.com/about",
            "https://www.vrtxmag.com/articles/exploring-the-experimental-in-portland-music/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Intermittent in-store performances and events rather than a fixed weekly series.",
          "sources": [
            "http://beaconsound.com/about"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Deeply tied to Portland's experimental/modern-composition scene (e.g. Terry Riley reissues); books experimental artists.",
          "sources": [
            "https://www.portlandmercury.com/music/2018/07/04/21057247/the-five-best-experimental-record-labels-in-portland"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes itself as a label, shop, community and instigator of unexpected connections in experimental sound.",
          "sources": [
            "http://beaconsound.com/about"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent record shop and label (co-owner-run), not a nonprofit.",
          "sources": [
            "http://beaconsound.com/about"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Named among Portland's leading experimental record labels/shops.",
          "sources": [
            "https://www.portlandmercury.com/music/2018/07/04/21057247/the-five-best-experimental-record-labels-in-portland"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Improved in-store event space; attentive but shop-based.",
          "sources": [
            "https://www.vrtxmag.com/businesses/beacon-sound/"
          ]
        }
      },
      "score": 62,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://beaconsound.com/",
          "http://beaconsound.com/about",
          "https://everout.com/portland/locations/beacon-sound/l29924/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "567b5b46e4c10d9e",
        "crawl_http_status": 200
      },
      "notes": "Experimental record shop/label (est. 2011) that doubles as an event space. Has relocated more than once; current address per shop bio is NE MLK Jr Blvd. Coordinates approximate.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Record shop and experimental label that also serves as an event space and \"home for all sorts of happenings,\" hosting experimental/ambient/modern-composition performances."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Intermittent in-store performances and events rather than a fixed weekly series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Deeply tied to Portland's experimental/modern-composition scene (e.g. Terry Riley reissues); books experimental artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes itself as a label, shop, community and instigator of unexpected connections in experimental sound."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent record shop and label (co-owner-run), not a nonprofit."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Named among Portland's leading experimental record labels/shops."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Improved in-store event space; attentive but shop-based."
        }
      ]
    },
    {
      "id": "celeste-vienna",
      "name": "Celeste",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "Hamburgerstra\u00dfe 18",
        "city": "Vienna",
        "region": "Vienna",
        "country": "AT",
        "neighborhood": "Margareten",
        "lat": 48.1925,
        "lon": 16.3571
      },
      "type": "bar_club",
      "operating_model": "artist_run",
      "capacity": 100,
      "website": "http://www.celeste.co.at/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Jazzkeller, club, gallery and wine bar hosting a weekly free-jazz/improv session (the Neu New York/Vienna Institute of Improvised Music) within a broad program.",
          "sources": [
            "http://www.celeste.co.at/",
            "https://base.uni-ak.ac.at/showroom/KcsfaforEMPhobTD9WwHQq/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Weekly Monday improvisers session plus other concerts; free/improv is a recurring strand alongside indie and electronic nights.",
          "sources": [
            "https://base.uni-ak.ac.at/showroom/KcsfaforEMPhobTD9WwHQq/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Improv session curated by saxophonist Marco Eneidi with a rotating cast of jazz and improv musicians.",
          "sources": [
            "https://viennesewaltz.net/2009/04/30/celeste/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Electronic club music, jazz and new improvised music find their home at Celeste.",
          "sources": [
            "https://www.ganz-wien.at/lifestyle/essen-trinken/lokale/celeste.html"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist-platform venue running for over 35 years.",
          "sources": [
            "https://www.ganz-wien.at/lifestyle/essen-trinken/lokale/celeste.html"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Long-standing part of Vienna's cultural scene and its improvised-music community.",
          "sources": [
            "https://www.falter.at/location/6529/celeste"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Small room with a stage that doubles as a dancefloor at weekends.",
          "sources": [
            "https://www.ganz-wien.at/lifestyle/essen-trinken/lokale/celeste.html"
          ]
        }
      },
      "score": 62,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://www.celeste.co.at/",
          "https://base.uni-ak.ac.at/showroom/KcsfaforEMPhobTD9WwHQq/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "d61fd02ee57cc163",
        "crawl_http_status": 200
      },
      "notes": "Vienna jazzkeller with a long-running weekly free-improv session; broad multi-genre venue.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Jazzkeller, club, gallery and wine bar hosting a weekly free-jazz/improv session (the Neu New York/Vienna Institute of Improvised Music) within a broad program."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Weekly Monday improvisers session plus other concerts; free/improv is a recurring strand alongside indie and electronic nights."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Improv session curated by saxophonist Marco Eneidi with a rotating cast of jazz and improv musicians."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Electronic club music, jazz and new improvised music find their home at Celeste."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist-platform venue running for over 35 years."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Long-standing part of Vienna's cultural scene and its improvised-music community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Small room with a stage that doubles as a dancefloor at weekends."
        }
      ]
    },
    {
      "id": "duende-oakland",
      "name": "Duende",
      "aliases": [],
      "status": "closed",
      "location": {
        "address": "468 19th St",
        "city": "Oakland",
        "region": "CA",
        "country": "US",
        "neighborhood": "Uptown",
        "lat": 37.8079,
        "lon": -122.2673
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": null,
      "active_this_year": false,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Basque-inspired restaurant and music venue that provided a regular forum for creative and improvised music until it closed at the end of June 2024.",
          "sources": [
            "https://oaklandside.org/2022/01/27/new-concert-series-brings-cutting-edge-jazz-to-west-oakland/",
            "https://themonthly.com/upfront1312/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Hosted a regular improvised-music series plus residencies during its run.",
          "sources": [
            "https://themonthly.com/upfront1312/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Regular perch for Bay Area improvisers (Scott Amendola, Todd Sickafoose, Ben Goldberg) and touring artists including Nels Cline and the ICP Orchestra.",
          "sources": [
            "https://themonthly.com/upfront1312/",
            "https://wedgeradio.wordpress.com/2013/04/15/icp-orchestra-in-oakland/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Restaurant that framed music/art/food together in Uptown Oakland.",
          "sources": [
            "https://www.7x7.com/food-art-and-music-collide-at-oaklands-new-duende-1783850728.html"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial restaurant and bar.",
          "sources": [
            "https://themonthly.com/upfront1312/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Regarded as an essential forum for creative improvisers during its decade in Uptown.",
          "sources": [
            "https://themonthly.com/upfront1312/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Restaurant listening setting.",
          "sources": [
            "https://www.bayimproviser.com/venue/143/duende"
          ]
        }
      },
      "score": 62,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://themonthly.com/upfront1312/",
          "https://oaklandside.org/2022/01/27/new-concert-series-brings-cutting-edge-jazz-to-west-oakland/",
          "https://www.bayimproviser.com/venue/143/duende"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "skipped"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "3e9145e9e516d622",
        "crawl_http_status": 200
      },
      "notes": "CLOSED June 2024. Uptown Oakland restaurant that hosted a notable creative/improvised-music series and touring improvisers for over a decade.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Basque-inspired restaurant and music venue that provided a regular forum for creative and improvised music until it closed at the end of June 2024."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Hosted a regular improvised-music series plus residencies during its run."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Regular perch for Bay Area improvisers (Scott Amendola, Todd Sickafoose, Ben Goldberg) and touring artists including Nels Cline and the ICP Orchestra."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Restaurant that framed music/art/food together in Uptown Oakland."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial restaurant and bar."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Regarded as an essential forum for creative improvisers during its decade in Uptown."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Restaurant listening setting."
        }
      ]
    },
    {
      "id": "forestlimit-tokyo",
      "name": "Forestlimit",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "1F Hatagaya K3 Bldg., 2-8-15 Hatagaya, Shibuya-ku",
        "city": "Tokyo",
        "region": "Tokyo",
        "country": "JP",
        "neighborhood": "Hatagaya",
        "lat": 35.6779,
        "lon": 139.679
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 80,
      "website": "https://www.tokyoartbeat.com/en/venues/-/1A09E0E1",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Cafe/studio (opened 2010) hosting art shows and left-of-centre music; built as a listening bar with large speaker stacks.",
          "sources": [
            "https://www.timeout.com/tokyo/music/forestlimit",
            "https://www.tokyoartbeat.com/en/venues/-/1A09E0E1"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular experimental and electronic gigs.",
          "sources": [
            "https://www.timeout.com/tokyo/music/forestlimit"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Experimental/electronic and ambient artists more than free-jazz improvisers.",
          "sources": [
            "https://roadbook.com/tokyo/city-guide/best-listening-bars-live-music-venues-clubs-nightlife-tokyo/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Alternative, experimental-leaning venue and atelier.",
          "sources": [
            "https://www.timeout.com/tokyo/music/forestlimit"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent DIY cafe/studio space.",
          "sources": [
            "https://www.tokyoartbeat.com/en/venues/-/1A09E0E1"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized alternative Shibuya-ku venue in Tokyo listening-bar/venue guides.",
          "sources": [
            "https://roadbook.com/tokyo/city-guide/best-listening-bars-live-music-venues-clubs-nightlife-tokyo/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Originally a listening bar with four large speaker stacks; also functions as a party/club space.",
          "sources": [
            "https://roadbook.com/tokyo/city-guide/best-listening-bars-live-music-venues-clubs-nightlife-tokyo/"
          ]
        }
      },
      "score": 62,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.timeout.com/tokyo/music/forestlimit",
          "https://www.tokyoartbeat.com/en/venues/-/1A09E0E1",
          "https://roadbook.com/tokyo/city-guide/best-listening-bars-live-music-venues-clubs-nightlife-tokyo/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "95cbdbd479f8b7aa",
        "crawl_http_status": 200
      },
      "notes": "Hatagaya DIY cafe/studio (est. 2010); experimental and ambient/electronic-leaning more than free-jazz, but a genuine adventurous listening space.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Cafe/studio (opened 2010) hosting art shows and left-of-centre music; built as a listening bar with large speaker stacks."
        },
        {
          "key": "show_frequency",
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          "max_points": 20,
          "evidence": "Regular experimental and electronic gigs."
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          "max_value": 5,
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          "max_points": 20,
          "evidence": "Experimental/electronic and ambient artists more than free-jazz improvisers."
        },
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          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Alternative, experimental-leaning venue and atelier."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent DIY cafe/studio space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized alternative Shibuya-ku venue in Tokyo listening-bar/venue guides."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Originally a listening bar with four large speaker stacks; also functions as a party/club space."
        }
      ]
    },
    {
      "id": "loch-wuppertal",
      "name": "LOCH",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "Plateniusstr. 35",
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        "region": "North Rhine-Westphalia",
        "country": "DE",
        "neighborhood": "Elberfeld",
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        "lon": 7.1449
      },
      "type": "arts_center",
      "operating_model": "diy_collective",
      "capacity": 100,
      "website": "https://loch-wuppertal.de/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Interdisciplinary sociocultural centre with an experimental cross-disciplinary program that includes free improvisation and experimental music alongside jazz and DJ sets.",
          "sources": [
            "https://loch-wuppertal.de/",
            "https://loch-wuppertal.de/programm?filter=Musik"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular music program including free-improvisation and experimental concerts.",
          "sources": [
            "https://loch-wuppertal.de/programm?filter=Musik"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books improvised and experimental musicians as part of a broader cultural program.",
          "sources": [
            "https://avanzert.com/venue/loch-wuppertal/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Stands for interdisciplinary and experimental approaches; hub for the Wuppertal cultural scene.",
          "sources": [
            "https://loch-wuppertal.de/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "DIY sociocultural collective in the former B\u00fccherschiff since 2017.",
          "sources": [
            "https://loch-wuppertal.de/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Established Wuppertal cultural institution.",
          "sources": [
            "https://www.regioactive.de/location/wuppertal/loch-VjvssTtK64"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Mixed-use hall also used for bar nights and DJ sets.",
          "sources": [
            "https://loch-wuppertal.de/"
          ]
        }
      },
      "score": 62,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://loch-wuppertal.de/",
          "https://avanzert.com/venue/loch-wuppertal/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ed4dcd9377489a76",
        "crawl_http_status": 200
      },
      "notes": "Interdisciplinary Wuppertal sociocultural space; free-improv/experimental music is part of a broad program. Share of improvised programming not fully verified.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Interdisciplinary sociocultural centre with an experimental cross-disciplinary program that includes free improvisation and experimental music alongside jazz and DJ sets."
        },
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          "key": "show_frequency",
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          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular music program including free-improvisation and experimental concerts."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
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          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Books improvised and experimental musicians as part of a broader cultural program."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Stands for interdisciplinary and experimental approaches; hub for the Wuppertal cultural scene."
        },
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          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "DIY sociocultural collective in the former B\u00fccherschiff since 2017."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Established Wuppertal cultural institution."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Mixed-use hall also used for bar nights and DJ sets."
        }
      ]
    },
    {
      "id": "public-space-one-iowa-city",
      "name": "Public Space One",
      "aliases": [
        "PS1"
      ],
      "status": "active",
      "location": {
        "address": "229 N Gilbert St",
        "city": "Iowa City",
        "region": "IA",
        "country": "US",
        "neighborhood": "Northside",
        "lat": 41.6631,
        "lon": -91.5319
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.publicspaceone.com/",
      "active_this_year": true,
      "signals": {
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        "crawl_http_status": 200
      },
      "notes": "Acclaimed Basel jazz club with excellent acoustics; free/experimental music is a recurring but secondary strand.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "One of Europe's best-known jazz clubs, presenting the full breadth of jazz; free improvisation and immersive/experimental projects feature but the program is broadly jazz."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Live jazz five evenings a week, of which adventurous/free-improv sets are a recurring portion."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Established and young jazz musicians from around the world; some free-improv and experimental acts."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as an authentic contemporary jazz club spanning the current breadth of jazz."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Non-commercial club running on a foundation/association model with an artistic mission."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Widely regarded among the best jazz clubs in Europe."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Intimate vaulted room celebrated for its acoustics and attentive listening."
        }
      ]
    },
    {
      "id": "the-bridge-miami",
      "name": "The Bridge Miami",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "4220 NW 7th Ave",
        "city": "Miami",
        "region": "FL",
        "country": "US",
        "neighborhood": "Allapattah",
        "lat": 25.8158,
        "lon": -80.2115
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.thebridgemiaminpo.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Nonprofit music/arts incubator and multipurpose venue that presents experimental and avant-garde happenings (e.g. Remnant Miami avant-garde sets).",
          "sources": [
            "https://www.thebridgemiaminpo.org/background",
            "https://www.artburstmiami.com/blog/remnant-miami-avant-garde-trio-of-miamis-edgiest-creators"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Hosts periodic experimental performances and studio sessions rather than a high-frequency series.",
          "sources": [
            "https://www.thebridgemiaminpo.org/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Home to some of Miami's most experimental musicians; presents avant-garde performers and spoken word.",
          "sources": [
            "https://www.artburstmiami.com/blog/remnant-miami-avant-garde-trio-of-miamis-edgiest-creators"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes itself as a place where Miami's creative community presents experimental and avant-garde happenings.",
          "sources": [
            "https://www.artburstmiami.com/blog/remnant-miami-avant-garde-trio-of-miamis-edgiest-creators",
            "https://www.thebridgemiaminpo.org/background"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit incubator for music and the arts founded 2013 by Nicole Martinez; affordable home for musicians with an indoor/outdoor venue and studio.",
          "sources": [
            "https://www.thebridgemiaminpo.org/background",
            "https://ngobase.org/profile/91972"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized (Knight Arts grant) as a hub for Miami's experimental and avant-garde creators.",
          "sources": [
            "https://www.miaminewtimes.com/music/the-bridge-to-host-splashy-fundraiser-wet-to-celebrate-knight-arts-grant-10645679"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Multipurpose indoor/outdoor venue rather than a dedicated listening room.",
          "sources": [
            "https://www.thebridgemiaminpo.org/"
          ]
        }
      },
      "score": 61,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.thebridgemiaminpo.org/background",
          "https://www.artburstmiami.com/blog/remnant-miami-avant-garde-trio-of-miamis-edgiest-creators",
          "https://www.miaminewtimes.com/music/the-bridge-to-host-splashy-fundraiser-wet-to-celebrate-knight-arts-grant-10645679"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "d7f0f056a9fe00c3",
        "crawl_http_status": 200
      },
      "notes": "Miami nonprofit arts incubator/venue that hosts experimental and avant-garde music happenings. Frequency of dedicated improv programming not fully verified; needs human review.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Nonprofit music/arts incubator and multipurpose venue that presents experimental and avant-garde happenings (e.g. Remnant Miami avant-garde sets)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Hosts periodic experimental performances and studio sessions rather than a high-frequency series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Home to some of Miami's most experimental musicians; presents avant-garde performers and spoken word."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes itself as a place where Miami's creative community presents experimental and avant-garde happenings."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit incubator for music and the arts founded 2013 by Nicole Martinez; affordable home for musicians with an indoor/outdoor venue and studio."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized (Knight Arts grant) as a hub for Miami's experimental and avant-garde creators."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Multipurpose indoor/outdoor venue rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "an-die-musik-live",
      "name": "An Die Musik Live",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Baltimore",
        "region": "MD",
        "country": "US",
        "lat": 39.297,
        "lon": -76.615
      },
      "type": "dedicated_space",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://www.andiemusiklive.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Intimate acoustic listening room presenting jazz including creative/adventurous artists."
        },
        "show_frequency": {
          "value": 3
        },
        "artist_roster": {
          "value": 3
        },
        "self_description": {
          "value": 3
        },
        "operating_model": {
          "value": 2
        },
        "community_reputation": {
          "value": 3
        },
        "listening_room": {
          "value": 5,
          "evidence": "Dedicated seated listening room."
        }
      },
      "score": 60,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://andiemusiklive.com/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "594a4d8b04f56a71",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: confirm share of free/avant vs. mainstream jazz.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Intimate acoustic listening room presenting jazz including creative/adventurous artists."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": ""
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Dedicated seated listening room."
        }
      ]
    },
    {
      "id": "drkmttr-collective",
      "name": "DRKMTTR Collective",
      "aliases": [
        "Drkmttr"
      ],
      "status": "active",
      "location": {
        "address": "1111 Dickerson Pike",
        "city": "Nashville",
        "region": "TN",
        "country": "US",
        "neighborhood": "East Nashville",
        "lat": 36.1878,
        "lon": -86.7715
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.drkmttrcollective.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "All-ages DIY venue especially welcoming to experimental, electronic, noise, and genre-defying projects, though it books across many genres including punk.",
          "sources": [
            "https://daily.bandcamp.com/scene-report/nashville-diy-experimental-electronic-list",
            "https://www.drkmttrcollective.com/"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Frequent shows as an active all-ages venue and organizing space.",
          "sources": [
            "https://do615.com/venues/drkmttr"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Roster spans punk, electronic, noise, and experimental; experimental/improv is one strand among many.",
          "sources": [
            "https://daily.bandcamp.com/scene-report/nashville-diy-experimental-electronic-list"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Prioritizes inclusivity, experimentation, and accessibility; welcoming to genre-defying projects.",
          "sources": [
            "https://daily.bandcamp.com/scene-report/nashville-diy-experimental-electronic-list"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer-run arts collective and all-ages venue, going ~10 years.",
          "sources": [
            "https://www.drkmttrcollective.com/",
            "https://www.yelp.com/biz/drkmttr-nashville"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A recognized hub of Nashville's DIY and experimental/electronic scene.",
          "sources": [
            "https://daily.bandcamp.com/scene-report/nashville-diy-experimental-electronic-list"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "DIY all-ages club rather than a dedicated listening room.",
          "sources": [
            "https://do615.com/venues/drkmttr"
          ]
        }
      },
      "score": 60,
      "tier": "supportive",
      "confidence": 0.68,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.drkmttrcollective.com/",
          "https://daily.bandcamp.com/scene-report/nashville-diy-experimental-electronic-list"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "560cc3fcc6246259",
        "crawl_http_status": 200
      },
      "notes": "Volunteer-run all-ages DIY venue in East Nashville; experimental/noise/electronic is a core welcome but the booking is broad (also punk, indie).",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "All-ages DIY venue especially welcoming to experimental, electronic, noise, and genre-defying projects, though it books across many genres including punk."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Frequent shows as an active all-ages venue and organizing space."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Roster spans punk, electronic, noise, and experimental; experimental/improv is one strand among many."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Prioritizes inclusivity, experimentation, and accessibility; welcoming to genre-defying projects."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer-run arts collective and all-ages venue, going ~10 years."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "A recognized hub of Nashville's DIY and experimental/electronic scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "DIY all-ages club rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "timucua-white-house",
      "name": "Timucua (the white house)",
      "aliases": [
        "Timucua Arts Foundation",
        "the white house"
      ],
      "status": "active",
      "location": {
        "address": "2000 S Summerlin Ave",
        "city": "Orlando",
        "region": "FL",
        "country": "US",
        "neighborhood": "SODO",
        "lat": 28.5245,
        "lon": -81.3695
      },
      "type": "dedicated_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://timucua.com/venue/timucua/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Nonprofit house concert hall presenting jazz and adventurous music, including experimental jazz sets (e.g. the Tuesday Again experimental-jazz trio) and a jazz jam.",
          "sources": [
            "https://timucua.com/venue/timucua/",
            "https://artsinorlando.com/event/moj-tuesday-again/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Hosts frequent concerts where \"the music comes first,\" including recurring jazz programming.",
          "sources": [
            "https://www.visitorlando.com/blog/post/timucua-arts-foundation-orlando/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Mostly jazz, chamber, and world music, with experimental jazz appearing as one strand; not primarily a free-improv roster.",
          "sources": [
            "https://artsinorlando.com/event/moj-tuesday-again/",
            "https://citysurfingorlando.com/2025/05/upcoming-events-at-timucua-arts-foundation-benoits-audiofiles-world-music-jazz-series-and-more/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as an intimate arts foundation and concert hall (a \"community living room\"), not specifically an experimental venue.",
          "sources": [
            "https://timucua.com/venue/timucua/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Timucua Arts Foundation nonprofit, founded by Benoit Glazer; concerts hosted in a custom 3-story home.",
          "sources": [
            "https://newsroom.ocfl.net/2025/05/timucua-arts-foundation-celebrates-25-years-of-bringing-art-to-life/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A 25-year Orlando institution for intimate live music.",
          "sources": [
            "https://newsroom.ocfl.net/2025/05/timucua-arts-foundation-celebrates-25-years-of-bringing-art-to-life/"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Purpose-built concert hall with an advanced acoustic control system for attentive listening.",
          "sources": [
            "https://timucua.com/venue/timucua/",
            "https://www.visitorlando.com/blog/post/timucua-arts-foundation-orlando/"
          ]
        }
      },
      "score": 60,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://timucua.com/venue/timucua/",
          "https://artsinorlando.com/event/moj-tuesday-again/",
          "https://newsroom.ocfl.net/2025/05/timucua-arts-foundation-celebrates-25-years-of-bringing-art-to-life/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "1f5812b1a73be552",
        "crawl_http_status": 200
      },
      "notes": "Orlando nonprofit house-concert listening room (Timucua Arts Foundation). Strong dedicated listening space and jazz program; experimental/free improv is present but secondary to jazz, chamber, and world music.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Nonprofit house concert hall presenting jazz and adventurous music, including experimental jazz sets (e.g. the Tuesday Again experimental-jazz trio) and a jazz jam."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Hosts frequent concerts where \"the music comes first,\" including recurring jazz programming."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Mostly jazz, chamber, and world music, with experimental jazz appearing as one strand; not primarily a free-improv roster."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as an intimate arts foundation and concert hall (a \"community living room\"), not specifically an experimental venue."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Timucua Arts Foundation nonprofit, founded by Benoit Glazer; concerts hosted in a custom 3-story home."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "A 25-year Orlando institution for intimate live music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Purpose-built concert hall with an advanced acoustic control system for attentive listening."
        }
      ]
    },
    {
      "id": "adobe-books-backroom-gallery",
      "name": "Adobe Books Backroom Gallery",
      "aliases": [
        "Adobe Books"
      ],
      "status": "active",
      "location": {
        "address": "3130 24th St",
        "city": "San Francisco",
        "region": "CA",
        "country": "US",
        "neighborhood": "Mission District",
        "lat": 37.7525,
        "lon": -122.4165
      },
      "type": "record_store",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "http://www.adobebooks.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Hosts a monthly free-improv music night (Improv Nite) on the last Thursday of the month in its backroom gallery.",
          "sources": [
            "http://www.adobebooks.com/events/2024/4/25/improv-nite-",
            "http://www.adobebooks.com/about-adobe-books"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Monthly improv night plus other music/literary events; music is one strand of programming.",
          "sources": [
            "http://www.adobebooks.com/events"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Local improvisers and experimental artists; a longtime alternative-arts backroom.",
          "sources": [
            "http://www.adobebooks.com/about-adobe-books"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes the Backroom Gallery as an experimental arts space where artists experiment freely.",
          "sources": [
            "http://www.adobebooks.com/about-adobe-books"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist-oriented bookshop/gallery; obtained a Limited Entertainment License to host music and literary events.",
          "sources": [
            "http://www.adobebooks.com/about-adobe-books"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Longstanding Mission cultural fixture; listed on Bay Improviser and Artforum.",
          "sources": [
            "https://www.artforum.com/venue/adobe-books-backroom-gallery/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Small backroom gallery; informal listening.",
          "sources": [
            "http://www.adobebooks.com/about-adobe-books"
          ]
        }
      },
      "score": 59,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://www.adobebooks.com/about-adobe-books",
          "http://www.adobebooks.com/events/2024/4/25/improv-nite-"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ed217bb170bf8f9d",
        "crawl_http_status": 200
      },
      "notes": "Mission bookstore whose Backroom Gallery runs a monthly free-improv night; experimental music is secondary to books/visual art.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Hosts a monthly free-improv music night (Improv Nite) on the last Thursday of the month in its backroom gallery."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Monthly improv night plus other music/literary events; music is one strand of programming."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Local improvisers and experimental artists; a longtime alternative-arts backroom."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes the Backroom Gallery as an experimental arts space where artists experiment freely."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist-oriented bookshop/gallery; obtained a Limited Entertainment License to host music and literary events."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Longstanding Mission cultural fixture; listed on Bay Improviser and Artforum."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Small backroom gallery; informal listening."
        }
      ]
    },
    {
      "id": "avant-garden-houston",
      "name": "Avant Garden",
      "aliases": [
        "AvantGarden"
      ],
      "status": "active",
      "location": {
        "address": "411 Westheimer Rd",
        "city": "Houston",
        "region": "TX",
        "country": "US",
        "neighborhood": "Montrose",
        "lat": 29.7437,
        "lon": -95.3918
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://www.avantgardenhouston.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Hosted Nameless Sound's They, Who Sound for nine years and remains a regular partner for experimental events; also runs a weekly Monday jazz jam.",
          "sources": [
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/",
            "https://www.avantgardenhouston.com/live-music/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Live music most nights across three performance areas, with experimental/jazz nights recurring in the mix.",
          "sources": [
            "https://www.avantgardenhouston.com/live-music/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books experimental music and jazz by acclaimed musicians alongside other genres.",
          "sources": [
            "https://houstoncaller.com/publications/houston-midtown/what-is-avantgarden"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as an artist collective and social/arts space where experimental music and jazz share the calendar.",
          "sources": [
            "https://houstoncaller.com/publications/houston-midtown/what-is-avantgarden"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independently owned Montrose bar/collective in a converted three-story house.",
          "sources": [
            "https://houstoncaller.com/publications/houston-midtown/what-is-avantgarden"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Named a generous longtime partner of Houston's experimental scene.",
          "sources": [
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Bar and social-patio environment rather than a formal listening room.",
          "sources": [
            "https://houstoncaller.com/publications/houston-midtown/what-is-avantgarden"
          ]
        }
      },
      "score": 59,
      "tier": "supportive",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.avantgardenhouston.com/",
          "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_crawl_error": "('Connection aborted.', RemoteDisconnected('Remote end closed connection without response'))"
      },
      "notes": "Montrose bar/collective; longtime They, Who Sound host and continuing supporter of Houston experimental programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Hosted Nameless Sound's They, Who Sound for nine years and remains a regular partner for experimental events; also runs a weekly Monday jazz jam."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Live music most nights across three performance areas, with experimental/jazz nights recurring in the mix."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Books experimental music and jazz by acclaimed musicians alongside other genres."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as an artist collective and social/arts space where experimental music and jazz share the calendar."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independently owned Montrose bar/collective in a converted three-story house."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Named a generous longtime partner of Houston's experimental scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Bar and social-patio environment rather than a formal listening room."
        }
      ]
    },
    {
      "id": "cat-in-the-cream-oberlin",
      "name": "Cat in the Cream",
      "aliases": [
        "Cat in the Cream Coffeehouse"
      ],
      "status": "active",
      "location": {
        "address": "180 W College St",
        "city": "Oberlin",
        "region": "OH",
        "country": "US",
        "neighborhood": "Oberlin College",
        "lat": 41.2932,
        "lon": -82.221
      },
      "type": "university",
      "operating_model": "university",
      "capacity": null,
      "website": "https://www.oberlin.edu/timara",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Oberlin College coffeehouse that hosts the weekly Jazz Forum for student ensembles and serves as a performance space for TIMARA (electronic/experimental) and the Oberlin Improv Fest.",
          "sources": [
            "https://calendar.oberlin.edu/event/oberlin_improv_fest_jazz_forum",
            "https://timara.oberlin.edu/recap-oberlin-improv-fest-2023-1657/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Weekly Jazz Forum during term plus recitals and festival events.",
          "sources": [
            "https://www.oberlin.edu/blogs/three-recitals-three-venues"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Student and faculty improvisers/experimentalists from the Jazz Studies and TIMARA programs, plus visiting artists.",
          "sources": [
            "https://timara.oberlin.edu/recap-oberlin-improv-fest-2023-1657/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "A student-run coffeehouse used for jazz, burlesque, poetry and multimedia performance.",
          "sources": [
            "https://www.oberlin.edu/blogs/three-recitals-three-venues"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Student-run venue within Oberlin College and Conservatory.",
          "sources": [
            "https://oberlinreview.org/34515/arts/yuka-honda-performs-at-cat-in-the-cream/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "sources": [
            "https://www.oberlin.edu/blogs/three-recitals-three-venues"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated coffeehouse room with a stage and built-in sound system for recitals.",
          "sources": [
            "https://www.oberlin.edu/blogs/three-recitals-three-venues"
          ]
        }
      },
      "score": 59,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://calendar.oberlin.edu/event/oberlin_improv_fest_jazz_forum",
          "https://timara.oberlin.edu/recap-oberlin-improv-fest-2023-1657/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "47514a1b99dc9843",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: Oberlin coffeehouse tied to the Jazz Forum, TIMARA and Oberlin Improv Fest; academic-calendar-driven, largely student programming. Coordinates approximate to the College Street campus block.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Oberlin College coffeehouse that hosts the weekly Jazz Forum for student ensembles and serves as a performance space for TIMARA (electronic/experimental) and the Oberlin Improv Fest."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Weekly Jazz Forum during term plus recitals and festival events."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Student and faculty improvisers/experimentalists from the Jazz Studies and TIMARA programs, plus visiting artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "A student-run coffeehouse used for jazz, burlesque, poetry and multimedia performance."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Student-run venue within Oberlin College and Conservatory."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated coffeehouse room with a stage and built-in sound system for recitals."
        }
      ]
    },
    {
      "id": "sound-exchange-houston",
      "name": "Sound Exchange",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "101 N Milby St",
        "city": "Houston",
        "region": "TX",
        "country": "US",
        "neighborhood": "East End",
        "lat": 29.7515,
        "lon": -95.3388
      },
      "type": "record_store",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://eastendhouston.com/sound-exchange-plants-its-flag-at-new-east-end-location-with-free-in-store-performances-and-events/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Hosts An Exchange of Noiz, a bimonthly series of live ambient, noise, electronic and weird music curated by Spike the Percussionist.",
          "sources": [
            "https://365thingsinhouston.com/calendar/an-exchange-of-noiz-at-sound-exchange/",
            "https://eastendhouston.com/sound-exchange-plants-its-flag-at-new-east-end-location-with-free-in-store-performances-and-events/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "An Exchange of Noiz runs the third Thursday every other month, plus other free in-store performances.",
          "sources": [
            "https://365thingsinhouston.com/calendar/an-exchange-of-noiz-at-sound-exchange/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "Format features around six local/regional noise, ambient and experimental artists per event with short sets.",
          "sources": [
            "https://365thingsinhouston.com/calendar/an-exchange-of-noiz-at-sound-exchange/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Independent record store devoting a standing series to noise and weird music.",
          "sources": [
            "https://eastendhouston.com/sound-exchange-plants-its-flag-at-new-east-end-location-with-free-in-store-performances-and-events/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Commercial independent record store with a DIY-leaning event program.",
          "sources": [
            "https://eastendhouston.com/sound-exchange-plants-its-flag-at-new-east-end-location-with-free-in-store-performances-and-events/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Named in Houston experimental-music coverage as an anchor for the noise/experimental scene.",
          "sources": [
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "In-store performance space rather than a seated listening room.",
          "sources": [
            "https://eastendhouston.com/sound-exchange-plants-its-flag-at-new-east-end-location-with-free-in-store-performances-and-events/"
          ]
        }
      },
      "score": 59,
      "tier": "supportive",
      "confidence": 0.63,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://eastendhouston.com/sound-exchange-plants-its-flag-at-new-east-end-location-with-free-in-store-performances-and-events/",
          "https://365thingsinhouston.com/calendar/an-exchange-of-noiz-at-sound-exchange/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "8a68000b49fce90c",
        "crawl_http_status": 200
      },
      "notes": "East End record store whose An Exchange of Noiz series is a standing home for Houston noise and experimental performers.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Hosts An Exchange of Noiz, a bimonthly series of live ambient, noise, electronic and weird music curated by Spike the Percussionist."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "An Exchange of Noiz runs the third Thursday every other month, plus other free in-store performances."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Format features around six local/regional noise, ambient and experimental artists per event with short sets."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Independent record store devoting a standing series to noise and weird music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Commercial independent record store with a DIY-leaning event program."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Named in Houston experimental-music coverage as an anchor for the noise/experimental scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "In-store performance space rather than a seated listening room."
        }
      ]
    },
    {
      "id": "korzo-den-haag",
      "name": "Korzo",
      "aliases": [
        "Korzo Theater"
      ],
      "status": "active",
      "location": {
        "address": "Prinsestraat 42",
        "city": "The Hague",
        "region": "Zuid-Holland",
        "country": "NL",
        "lat": 52.08,
        "lon": 4.306
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://korzo.nl/en/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Adventurous theatre and production house hosting the Rewire x Korzo experimental music series (since 2016); previously home to the Konceptions creative-jazz series (548 nights over a decade).",
          "sources": [
            "https://www.rewirefestival.nl/news/the-rewire-x-korzo-concert-series-returns-this-autumn",
            "https://konceptionsmusicseries.wordpress.com/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Experimental/improv music runs as periodic concert series within a program dominated by dance and theatre.",
          "sources": [
            "https://korzo.nl/en/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Rewire x Korzo presents experimental and improvising artists; Konceptions hosted creative jazz and improvised music.",
          "sources": [
            "https://konceptionsmusicseries.wordpress.com/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Stage for adventurous music, dance, circus and theatre in the heart of The Hague.",
          "sources": [
            "https://korzo.nl/en/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit theatre and dance production house.",
          "sources": [
            "https://denhaag.com/en/korzo-theater"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Known as an adventurous venue and a long-running Rewire festival partner.",
          "sources": [
            "https://www.rewirefestival.nl/event/rewire-x-korzo-23"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Seated theatre spaces used for concerts.",
          "sources": [
            "https://korzo.nl/en/"
          ]
        }
      },
      "score": 58,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://korzo.nl/en/",
          "https://www.rewirefestival.nl/news/the-rewire-x-korzo-concert-series-returns-this-autumn"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "d81cb5ffdfe1d1a1",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: mainly a dance/theatre house; experimental/improv music comes via the Rewire x Korzo series (and the ended Konceptions series).",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Adventurous theatre and production house hosting the Rewire x Korzo experimental music series (since 2016); previously home to the Konceptions creative-jazz series (548 nights over a decade)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Experimental/improv music runs as periodic concert series within a program dominated by dance and theatre."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Rewire x Korzo presents experimental and improvising artists; Konceptions hosted creative jazz and improvised music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Stage for adventurous music, dance, circus and theatre in the heart of The Hague."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit theatre and dance production house."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Known as an adventurous venue and a long-running Rewire festival partner."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Seated theatre spaces used for concerts."
        }
      ]
    },
    {
      "id": "real-art-tacoma",
      "name": "Real Art Tacoma",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "5412 S Tacoma Way",
        "city": "Tacoma",
        "region": "WA",
        "country": "US",
        "lat": 47.2072,
        "lon": -122.4665
      },
      "type": "diy_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.realarttacoma.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "All-ages, all-inclusive DIY nonprofit space that programs punk, hardcore and experimental bills, including experimental-jazz and improvised acts.",
          "sources": [
            "https://www.realarttacoma.com/",
            "https://www.realarttacoma.com/calendar/111822"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Frequent all-ages shows; experimental/improvised acts appear regularly within a mostly punk/underground calendar.",
          "sources": [
            "https://www.realarttacoma.com/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Hosts experimental and improvised acts (e.g. Rat Utopia Experiment, Jazz Scat Impression) alongside punk and underground bands.",
          "sources": [
            "https://www.realarttacoma.com/calendar/111822"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as an all-ages, all-inclusive creative space.",
          "sources": [
            "https://www.realarttacoma.com/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Licensed 501(c)(3) nonprofit, volunteer/DIY-run.",
          "sources": [
            "https://www.realarttacoma.com/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A well-known anchor of Tacoma's all-ages DIY/underground scene.",
          "sources": [
            "https://www.yelp.com/biz/real-art-tacoma-tacoma"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "All-ages DIY show room rather than a seated listening room.",
          "sources": [
            "https://www.realarttacoma.com/"
          ]
        }
      },
      "score": 58,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.realarttacoma.com/",
          "https://www.realarttacoma.com/calendar/111822",
          "https://www.yelp.com/biz/real-art-tacoma-tacoma"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "f222228abf78edcc",
        "crawl_http_status": 200
      },
      "notes": "Tacoma all-ages nonprofit DIY space; hosts experimental-jazz and improvised acts within a mostly punk/underground calendar.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "All-ages, all-inclusive DIY nonprofit space that programs punk, hardcore and experimental bills, including experimental-jazz and improvised acts."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Frequent all-ages shows; experimental/improvised acts appear regularly within a mostly punk/underground calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Hosts experimental and improvised acts (e.g. Rat Utopia Experiment, Jazz Scat Impression) alongside punk and underground bands."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as an all-ages, all-inclusive creative space."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Licensed 501(c)(3) nonprofit, volunteer/DIY-run."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "A well-known anchor of Tacoma's all-ages DIY/underground scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "All-ages DIY show room rather than a seated listening room."
        }
      ]
    },
    {
      "id": "sugar-city-buffalo",
      "name": "Sugar City",
      "aliases": [
        "Sugar City Arts Collaborative"
      ],
      "status": "active",
      "location": {
        "address": "1239 Niagara St",
        "city": "Buffalo",
        "region": "NY",
        "country": "US",
        "lat": 42.9231,
        "lon": -78.8994
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 170,
      "website": "https://www.facebook.com/BuffaloSugarCity/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Buffalo's volunteer-run, all-ages DIY performance space and gallery; among its programming it hosts experimental and improvised music alongside many genres.",
          "sources": [
            "https://buffalonews.com/entertainment/arts-and-theatre/article_a2352299-329b-5ea0-a9f0-b3d4b37e1062.html",
            "https://www.buffalorising.com/2019/05/behold-the-future-of-sugar-city/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Frequent all-ages, drug/alcohol-free shows and art events.",
          "sources": [
            "https://buffalovibe.com/local-guide/concert-venues/sugar-city-1"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Programs underground, experimental and noise acts within a broad DIY calendar.",
          "sources": [
            "https://dodiy.org/usa/ny/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Self-described DIY, volunteer-run all-ages performance venue and art gallery.",
          "sources": [
            "https://www.buffalorising.com/2019/05/behold-the-future-of-sugar-city/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer-run DIY arts collaborative.",
          "sources": [
            "https://www.buffalorising.com/2019/05/behold-the-future-of-sugar-city/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized Buffalo DIY institution; received a Rauschenberg Foundation grant.",
          "sources": [
            "https://buffalonews.com/entertainment/arts-and-theatre/article_a2352299-329b-5ea0-a9f0-b3d4b37e1062.html"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "All-ages performance/gallery space rather than a dedicated listening room.",
          "sources": [
            "https://buffalovibe.com/local-guide/concert-venues/sugar-city-1"
          ]
        }
      },
      "score": 58,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.buffalorising.com/2019/05/behold-the-future-of-sugar-city/",
          "https://buffalonews.com/entertainment/arts-and-theatre/article_a2352299-329b-5ea0-a9f0-b3d4b37e1062.html"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 400,
          "detail": "HTTP 400"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ccb688438bf946df",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: DIY all-genre space; confirm current share of free/experimental/improv programming and current activity.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Buffalo's volunteer-run, all-ages DIY performance space and gallery; among its programming it hosts experimental and improvised music alongside many genres."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Frequent all-ages, drug/alcohol-free shows and art events."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Programs underground, experimental and noise acts within a broad DIY calendar."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Self-described DIY, volunteer-run all-ages performance venue and art gallery."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer-run DIY arts collaborative."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized Buffalo DIY institution; received a Rauschenberg Foundation grant."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "All-ages performance/gallery space rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "glad-cafe-glasgow",
      "name": "The Glad Cafe",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "1006A Pollokshaws Rd",
        "city": "Glasgow",
        "region": "Scotland",
        "country": "GB",
        "neighborhood": "Shawlands",
        "lat": 55.8285,
        "lon": -4.2735
      },
      "type": "bar_club",
      "operating_model": "nonprofit",
      "capacity": 130,
      "website": "https://www.thegladcafe.co.uk/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Hosts the recurring Glasgow Experimental Music Series among a broad arts program.",
          "sources": [
            "https://www.thegladcafe.co.uk/events/2024-12-06-glasgow-experimental-music-series-the-glad-cafe",
            "https://www.theskinny.co.uk/whats-on/glasgow/restaurants/the-glad-cafe/glasgow-experimental-music-series"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Frequent gigs, but experimental/improvised music is a periodic strand of a wider indie/electronic/traditional program.",
          "sources": [
            "https://communalleisure.com/the-glad-cafe/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Features experimental and improvising acts alongside indie, electronic and traditional musicians.",
          "sources": [
            "https://www.thegladcafe.co.uk/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Not-for-profit multi-arts venue known for experimental and improvised programming and good acoustics.",
          "sources": [
            "https://www.thegladcafe.co.uk/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Not-for-profit venue with an associated foundation (The Glad Foundation SCIO).",
          "sources": [
            "https://www.thegladcafe.co.uk/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Established Southside venue cited by The Skinny for its experimental series.",
          "sources": [
            "https://www.theskinny.co.uk/whats-on/glasgow/restaurants/the-glad-cafe/glasgow-experimental-music-series"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Well-equipped room noted for its acoustics; also a licensed cafe/bar.",
          "sources": [
            "https://www.thegladcafe.co.uk/"
          ]
        }
      },
      "score": 58,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.thegladcafe.co.uk/",
          "https://www.theskinny.co.uk/whats-on/glasgow/restaurants/the-glad-cafe/glasgow-experimental-music-series"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "939ee097e91fc307",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: confirm 2026 cadence of the Glasgow Experimental Music Series and overall experimental share.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Hosts the recurring Glasgow Experimental Music Series among a broad arts program."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Frequent gigs, but experimental/improvised music is a periodic strand of a wider indie/electronic/traditional program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Features experimental and improvising acts alongside indie, electronic and traditional musicians."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Not-for-profit multi-arts venue known for experimental and improvised programming and good acoustics."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Not-for-profit venue with an associated foundation (The Glad Foundation SCIO)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Established Southside venue cited by The Skinny for its experimental series."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Well-equipped room noted for its acoustics; also a licensed cafe/bar."
        }
      ]
    },
    {
      "id": "king-georg-cologne",
      "name": "King Georg",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "Sudermanstr. 2",
        "city": "Cologne",
        "region": "North Rhine-Westphalia",
        "country": "DE",
        "neighborhood": "Ebertplatz",
        "lat": 50.949,
        "lon": 6.9583
      },
      "type": "bar_club",
      "operating_model": "nonprofit",
      "capacity": 80,
      "website": "https://miz.org/en/institutions/king-georg-i36060",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Jazz club and bar with live jazz concerts at least twice weekly, plus DJ sets and cultural events; jazz-focused rather than dedicated to free/improv.",
          "sources": [
            "https://miz.org/en/institutions/king-georg-i36060",
            "https://www.jazz-fun.de/jazzclub-king-georg-koeln.html"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Live jazz twice weekly plus young-talent gigs; adventurous/improvised music is part of but not central to the program.",
          "sources": [
            "https://miz.org/en/institutions/king-georg-i36060"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "International jazz artists curated by pianist Martin Sasse; program leans toward the wider jazz spectrum.",
          "sources": [
            "https://magazine.cologne-tourism.com/culture/colognes-king-georg-jazz-club-where-top-international-artists-grace-the-stage/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Motto 'jazz to touch for connoisseurs and the curious'; blends jazz and club culture.",
          "sources": [
            "https://miz.org/en/institutions/king-georg-i36060"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Run by the nonprofit Cologne Jazz Supporters e.V.",
          "sources": [
            "https://miz.org/en/institutions/king-georg-i36060"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Long-standing (since 1968) Ebertplatz jazz institution.",
          "sources": [
            "https://www.cologne-tourism.com/arts-culture/sights/detail/king-georg"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Small warm concert room with a living-room vibe.",
          "sources": [
            "https://magazine.cologne-tourism.com/culture/colognes-king-georg-jazz-club-where-top-international-artists-grace-the-stage/"
          ]
        }
      },
      "score": 57,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://miz.org/en/institutions/king-georg-i36060",
          "https://www.cologne-tourism.com/arts-culture/sights/detail/king-georg"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "7398d746da434275",
        "crawl_http_status": 200
      },
      "notes": "Nonprofit Cologne jazz club/bar with a mostly mainstream jazz program; adventurous music is secondary.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Jazz club and bar with live jazz concerts at least twice weekly, plus DJ sets and cultural events; jazz-focused rather than dedicated to free/improv."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Live jazz twice weekly plus young-talent gigs; adventurous/improvised music is part of but not central to the program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "International jazz artists curated by pianist Martin Sasse; program leans toward the wider jazz spectrum."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Motto 'jazz to touch for connoisseurs and the curious'; blends jazz and club culture."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Run by the nonprofit Cologne Jazz Supporters e.V."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Long-standing (since 1968) Ebertplatz jazz institution."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Small warm concert room with a living-room vibe."
        }
      ]
    },
    {
      "id": "the-cherry-arts-ithaca",
      "name": "The Cherry Arts",
      "aliases": [
        "The Cherry Artspace"
      ],
      "status": "active",
      "location": {
        "address": "102 Cherry St",
        "city": "Ithaca",
        "region": "NY",
        "country": "US",
        "neighborhood": "West End",
        "lat": 42.4363,
        "lon": -76.5188
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://thecherry.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Multi-arts hub built for collaboration and experimentation across boundaries; its programming spans music (including new/improvised work) alongside theater, dance and more.",
          "sources": [
            "https://thecherry.org/about/",
            "https://www.downtownithaca.com/venue/the-cherry-arts/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Music is one strand of a broad performance calendar rather than a dedicated recurring improv series.",
          "sources": [
            "https://thecherry.org/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Presents formally innovative, locally and internationally sourced music and performance.",
          "sources": [
            "https://thecherry.org/about/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Describes itself as creating spaces for experimentation across artistic and cultural boundaries.",
          "sources": [
            "https://thecherry.org/about/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit, artist-founded multi-arts organization.",
          "sources": [
            "https://thecherry.org/about/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized adventurous performing-arts venue in Ithaca.",
          "sources": [
            "https://www.visitithaca.com/listing/the-cherry-arts/3495/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate purpose-built performance space on the Cayuga Inlet.",
          "sources": [
            "https://thecherry.org/about/"
          ]
        }
      },
      "score": 57,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://thecherry.org/about/",
          "https://www.downtownithaca.com/venue/the-cherry-arts/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "16a153cff95e5f48",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: experimentation-focused multi-arts venue, but confirm how central free/improvised music is versus theater/dance programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Multi-arts hub built for collaboration and experimentation across boundaries; its programming spans music (including new/improvised work) alongside theater, dance and more."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Music is one strand of a broad performance calendar rather than a dedicated recurring improv series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Presents formally innovative, locally and internationally sourced music and performance."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Describes itself as creating spaces for experimentation across artistic and cultural boundaries."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit, artist-founded multi-arts organization."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized adventurous performing-arts venue in Ithaca."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Intimate purpose-built performance space on the Cayuga Inlet."
        }
      ]
    },
    {
      "id": "automata-la",
      "name": "Automata",
      "aliases": [
        "Automata Arts"
      ],
      "status": "active",
      "location": {
        "address": "504 Chung King Ct",
        "city": "Los Angeles",
        "region": "CA",
        "country": "US",
        "neighborhood": "Chinatown",
        "lat": 34.0637,
        "lon": -118.2385
      },
      "type": "diy_space",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "http://www.automata-la.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Nonprofit storefront focused on experimental film and puppet theatre that also presents experimental/new music and sound performances; music is secondary to its film/puppetry core.",
          "sources": [
            "http://www.automata-la.org/",
            "https://arts.ca.gov/grantee/automata-arts-2/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Regular programming, but experimental-music events are a subset of a film/puppet/performance calendar.",
          "sources": [
            "http://www.automata-la.org/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Composers, new-media experimenters and sound artists among its collaborators.",
          "sources": [
            "https://wilhelmfamilyfoundation.org/grantee/automata-arts/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Committed to experimental film, puppet theatre and other modern experimental art practices.",
          "sources": [
            "http://www.automata-la.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit founded 2004 by Susan Simpson and Janie Geiser.",
          "sources": [
            "https://arts.ca.gov/grantee/automata-arts-2/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Established Chinatown experimental-arts storefront; grant-supported.",
          "sources": [
            "https://wilhelmfamilyfoundation.org/grantee/automata-arts/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Small storefront performance space.",
          "sources": [
            "http://www.automata-la.org/"
          ]
        }
      },
      "score": 56,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://www.automata-la.org/",
          "https://arts.ca.gov/grantee/automata-arts-2/",
          "https://wilhelmfamilyfoundation.org/grantee/automata-arts/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "c25878f761a0a122",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: Chinatown nonprofit centered on experimental film/puppetry that also hosts experimental music; confirm the frequency of music/improv events.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Nonprofit storefront focused on experimental film and puppet theatre that also presents experimental/new music and sound performances; music is secondary to its film/puppetry core."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Regular programming, but experimental-music events are a subset of a film/puppet/performance calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Composers, new-media experimenters and sound artists among its collaborators."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Committed to experimental film, puppet theatre and other modern experimental art practices."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit founded 2004 by Susan Simpson and Janie Geiser."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Established Chinatown experimental-arts storefront; grant-supported."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Small storefront performance space."
        }
      ]
    },
    {
      "id": "blanton-museum-soundspace-austin",
      "name": "Blanton Museum of Art (SoundSpace)",
      "aliases": [
        "Blanton Museum",
        "SoundSpace"
      ],
      "status": "active",
      "location": {
        "address": "200 E Martin Luther King Jr Blvd",
        "city": "Austin",
        "region": "TX",
        "country": "US",
        "lat": 30.2809,
        "lon": -97.7373
      },
      "type": "university",
      "operating_model": "university",
      "capacity": null,
      "website": "https://blantonmuseum.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Hosts the SoundSpace series of site-specific experimental performances in its galleries (curated by Steve Parker) and has co-hosted the improv-focused No Idea Festival.",
          "sources": [
            "https://artsandculturetx.com/sonic-expansions-austins-experimental-music-scene/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "SoundSpace events run on selected Sundays a few times per year rather than continuously.",
          "sources": [
            "https://artsandculturetx.com/sonic-expansions-austins-experimental-music-scene/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Programs experimental and improvising musicians across simultaneous gallery performances.",
          "sources": [
            "https://artsandculturetx.com/sonic-expansions-austins-experimental-music-scene/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "An art museum; experimental music is one curated strand of its programming.",
          "sources": [
            "https://blantonmuseum.org/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Art museum of the University of Texas at Austin.",
          "sources": [
            "https://blantonmuseum.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "SoundSpace named in surveys of Austin's experimental scene; draws large audiences.",
          "sources": [
            "https://artsandculturetx.com/sonic-expansions-austins-experimental-music-scene/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Gallery performances with attentive, roving audiences.",
          "sources": [
            "https://artsandculturetx.com/sonic-expansions-austins-experimental-music-scene/"
          ]
        }
      },
      "score": 56,
      "tier": "supportive",
      "confidence": 0.62,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://blantonmuseum.org/",
          "https://artsandculturetx.com/sonic-expansions-austins-experimental-music-scene/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "7e6b346b09bdb216",
        "crawl_http_status": 200
      },
      "notes": "University art museum whose SoundSpace series brings experimental/improvised music into the galleries; also a No Idea Festival host.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Hosts the SoundSpace series of site-specific experimental performances in its galleries (curated by Steve Parker) and has co-hosted the improv-focused No Idea Festival."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "SoundSpace events run on selected Sundays a few times per year rather than continuously."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Programs experimental and improvising musicians across simultaneous gallery performances."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "An art museum; experimental music is one curated strand of its programming."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Art museum of the University of Texas at Austin."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "SoundSpace named in surveys of Austin's experimental scene; draws large audiences."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Gallery performances with attentive, roving audiences."
        }
      ]
    },
    {
      "id": "sugar-maple-milwaukee",
      "name": "The Sugar Maple",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "441 E Lincoln Ave",
        "city": "Milwaukee",
        "region": "WI",
        "country": "US",
        "neighborhood": "Bay View",
        "lat": 42.9974,
        "lon": -87.9016
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://mysugarmaple.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Bay View craft-beer bar that serves as a home venue for IMprovised SOund - Milwaukee (IMSO), which presents improvised/experimental concerts there.",
          "sources": [
            "https://improvisedsound.org/",
            "https://mysugarmaple.com/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "IMSO shows are periodic rather than weekly.",
          "sources": [
            "https://improvisedsound.org/"
          ]
        },
        "artist_roster": {
          "value": 4,
          "evidence": "IMSO dates have featured improvisers such as Jason Stein, Damon Smith and Adam Shead.",
          "sources": [
            "https://improvisedsound.org/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Primarily presents as a craft-beer bar / community hub.",
          "sources": [
            "https://mysugarmaple.com/"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial craft-beer bar hosting an outside improv-music series.",
          "sources": [
            "https://mysugarmaple.com/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized Bay View venue used by Milwaukee's improvised-music community via IMSO.",
          "sources": [
            "https://improvisedsound.org/"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://improvisedsound.org/"
          ]
        }
      },
      "score": 56,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://improvisedsound.org/",
          "https://mysugarmaple.com/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "40ed84a00e11a5d5",
        "crawl_http_status": 403
      },
      "notes": "NEEDS REVIEW: craft-beer bar that hosts the IMSO improvised-music series; confirm current cadence of IMSO dates at this location.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Bay View craft-beer bar that serves as a home venue for IMprovised SOund - Milwaukee (IMSO), which presents improvised/experimental concerts there."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "IMSO shows are periodic rather than weekly."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "IMSO dates have featured improvisers such as Jason Stein, Damon Smith and Adam Shead."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Primarily presents as a craft-beer bar / community hub."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial craft-beer bar hosting an outside improv-music series."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized Bay View venue used by Milwaukee's improvised-music community via IMSO."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "kuumbwa-jazz-center",
      "name": "Kuumbwa Jazz Center",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "320 Cedar St",
        "city": "Santa Cruz",
        "region": "CA",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 36.9738,
        "lon": -122.0273
      },
      "type": "presenter",
      "operating_model": "nonprofit",
      "capacity": 200,
      "website": "https://www.kuumbwajazz.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Nonprofit jazz institution presenting classic and experimental jazz; adventurous programming is a subset of a mostly mainstream/national jazz calendar.",
          "sources": [
            "https://www.kuumbwajazz.org/",
            "https://downtownsantacruz.com/go/kuumbwa-jazz-center"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Over 120 concerts a year, but only a portion is experimental/avant.",
          "sources": [
            "https://www.kuumbwajazz.org/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "National and international jazz artists including some in the creative/avant spectrum.",
          "sources": [
            "https://www.kuumbwajazz.org/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Dedicated to the full spectrum of jazz including experimental performances; \"Kuumbwa\" means act of spontaneous creativity.",
          "sources": [
            "https://www.kuumbwajazz.org/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Long-running nonprofit jazz-presenting institution (since 1975).",
          "sources": [
            "https://www.kuumbwajazz.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "One of the most respected jazz-presenting institutions in the country.",
          "sources": [
            "https://www.kuumbwajazz.org/"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Intimate 200-seat listening room where audiences sit near the performers.",
          "sources": [
            "https://www.tripadvisor.com/Attraction_Review-g33048-d1489079-Reviews-Kuumbwa_Jazz_Center-Santa_Cruz_California.html"
          ]
        }
      },
      "score": 55,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.kuumbwajazz.org/",
          "https://downtownsantacruz.com/go/kuumbwa-jazz-center"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ba7f071f5d95ce0e",
        "crawl_http_status": 200
      },
      "notes": "Respected nonprofit Santa Cruz jazz room; mostly mainstream/national jazz with occasional adventurous booking, so supportive rather than a dedicated improv home.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Nonprofit jazz institution presenting classic and experimental jazz; adventurous programming is a subset of a mostly mainstream/national jazz calendar."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Over 120 concerts a year, but only a portion is experimental/avant."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "National and international jazz artists including some in the creative/avant spectrum."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Dedicated to the full spectrum of jazz including experimental performances; \"Kuumbwa\" means act of spontaneous creativity."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Long-running nonprofit jazz-presenting institution (since 1975)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "One of the most respected jazz-presenting institutions in the country."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Intimate 200-seat listening room where audiences sit near the performers."
        }
      ]
    },
    {
      "id": "resonant-head-okc",
      "name": "Resonant Head",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "400 SW 25th St",
        "city": "Oklahoma City",
        "region": "OK",
        "country": "US",
        "neighborhood": "Capitol Hill",
        "lat": 35.4472,
        "lon": -97.5175
      },
      "type": "dedicated_space",
      "operating_model": "commercial",
      "capacity": 250,
      "website": "https://www.resonanthead.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Independent, arts-forward room known for left-of-center lineups mixing indie, punk, experimental and electronic acts; experimental music is a recurring but not exclusive strand.",
          "sources": [
            "https://www.resonanthead.com/",
            "https://www.visitokc.com/listing/resonant-head/5822/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Active concert calendar with frequent shows; a share of the programming is experimental/electronic.",
          "sources": [
            "https://www.resonanthead.com/shows"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Mixes rising local artists with touring acts across indie, punk, experimental and electronic music.",
          "sources": [
            "https://www.visitokc.com/listing/resonant-head/5822/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as a no-frills, arts-forward space that prioritizes sound and community.",
          "sources": [
            "https://www.resonanthead.com/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independently operated commercial music venue with full bar and kitchen.",
          "sources": [
            "https://community.okgazette.com/oklahoma/resonant-head/Location?oid=10810331"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized OKC destination for creative, left-of-center programming.",
          "sources": [
            "https://community.okgazette.com/oklahoma/resonant-head/Location?oid=10810331"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate room that puts audiences a few steps from the stage and prioritizes sound.",
          "sources": [
            "https://www.resonanthead.com/"
          ]
        }
      },
      "score": 55,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.resonanthead.com/",
          "https://www.visitokc.com/listing/resonant-head/5822/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "884c1abe01d2365c",
        "crawl_http_status": 200
      },
      "notes": "Independent Capitol Hill venue known for left-of-center booking; experimental music is one part of a broad calendar. Share of true free/improv programming not fully verified.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Independent, arts-forward room known for left-of-center lineups mixing indie, punk, experimental and electronic acts; experimental music is a recurring but not exclusive strand."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Active concert calendar with frequent shows; a share of the programming is experimental/electronic."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Mixes rising local artists with touring acts across indie, punk, experimental and electronic music."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as a no-frills, arts-forward space that prioritizes sound and community."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independently operated commercial music venue with full bar and kitchen."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized OKC destination for creative, left-of-center programming."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Intimate room that puts audiences a few steps from the stage and prioritizes sound."
        }
      ]
    },
    {
      "id": "zebulon-los-angeles",
      "name": "Zebulon Cafe Concert",
      "aliases": [
        "Zebulon"
      ],
      "status": "active",
      "location": {
        "address": "2478 Fletcher Dr",
        "city": "Los Angeles",
        "region": "CA",
        "country": "US",
        "neighborhood": "Frogtown",
        "lat": 34.1099,
        "lon": -118.2596
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://zebulon.la/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Cafe/concert venue that reopened in LA's Frogtown in 2017 continuing the Brooklyn Zebulon's legacy as a hub for jazz, experimental and indie music; experimental programming is part of a broad nightly calendar.",
          "sources": [
            "https://en.wikipedia.org/wiki/Zebulon_Cafe_Concert",
            "https://buzzbands.la/2017/10/19/interview-jesse-peterson-zebulons-collectivist-approach-wide-ranging-fare/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Nightly performances by local and international musicians, a portion of it experimental/avant.",
          "sources": [
            "https://zebulon.la/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Wide-ranging bookings from avant/experimental figures (Kim Gordon, This Heat) to indie and jazz artists.",
          "sources": [
            "https://en.wikipedia.org/wiki/Zebulon_Cafe_Concert"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Continues the Brooklyn Zebulon's identity as a home for jazz, experimental and indie music with a collectivist approach.",
          "sources": [
            "https://buzzbands.la/2017/10/19/interview-jesse-peterson-zebulons-collectivist-approach-wide-ranging-fare/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial cafe/venue with a collectivist ethos.",
          "sources": [
            "https://buzzbands.la/2017/10/19/interview-jesse-peterson-zebulons-collectivist-approach-wide-ranging-fare/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Beloved successor to the storied Brooklyn Zebulon jazz/experimental hub.",
          "sources": [
            "https://www.artnews.com/art-news/news/former-williamsburg-music-venue-zebulon-to-open-new-space-in-los-angeles-7466/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Combined cafe/bar and concert room.",
          "sources": [
            "https://zebulon.la/"
          ]
        }
      },
      "score": 55,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://en.wikipedia.org/wiki/Zebulon_Cafe_Concert",
          "https://buzzbands.la/2017/10/19/interview-jesse-peterson-zebulons-collectivist-approach-wide-ranging-fare/",
          "https://zebulon.la/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "97fe2976255cf257",
        "crawl_http_status": 200
      },
      "notes": "Frogtown cafe/concert venue continuing the Brooklyn Zebulon legacy; books jazz and experimental music among wide-ranging indie programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Cafe/concert venue that reopened in LA's Frogtown in 2017 continuing the Brooklyn Zebulon's legacy as a hub for jazz, experimental and indie music; experimental programming is part of a broad nightly calendar."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Nightly performances by local and international musicians, a portion of it experimental/avant."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Wide-ranging bookings from avant/experimental figures (Kim Gordon, This Heat) to indie and jazz artists."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Continues the Brooklyn Zebulon's identity as a home for jazz, experimental and indie music with a collectivist approach."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial cafe/venue with a collectivist ethos."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Beloved successor to the storied Brooklyn Zebulon jazz/experimental hub."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Combined cafe/bar and concert room."
        }
      ]
    },
    {
      "id": "zeitgeist-arts-center-nola",
      "name": "Zeitgeist Multi-Disciplinary Arts Center",
      "aliases": [
        "Zeitgeist Theatre & Lounge",
        "Zeitgeist NOLA"
      ],
      "status": "active",
      "location": {
        "address": "6621 St Claude Ave",
        "city": "Arabi",
        "region": "LA",
        "country": "US",
        "neighborhood": "Arabi (Greater New Orleans)",
        "lat": 29.956,
        "lon": -89.996
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.zeitgeistnola.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Long-running multi-disciplinary arts center (founded 1986) that blends independent film with live music, including experimental and improvised performances, though not as a single named series.",
          "sources": [
            "https://www.zeitgeistnola.org/",
            "https://www.vianolavie.org/2019/07/18/zeitgeist-means-the-spirit-of-the-times-as-reflected-in-art/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Rotating schedule of live music amid film and other programming; music nights are periodic.",
          "sources": [
            "https://www.zeitgeistnola.org/calendar.html"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Champions local and touring artists including experimental musicians.",
          "sources": [
            "https://www.neworleans.com/listing/zeitgeist-multi-disciplinary-arts-center/32297/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Self-describes as a multi-disciplinary arts center blending film, live music, comedy and spoken word.",
          "sources": [
            "https://www.zeitgeistnola.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Long-running independent nonprofit arts center run by Rene Broussard, now in the Arabi Cultural Arts District.",
          "sources": [
            "https://www.theadvocate.com/gambit/new_orleans/news/zeitgeist-theatre-lounge-moves-to-arabi-with-opening-week-festivities/article_a803c848-3b9a-11e9-af1d-f7f644afcdcf.html"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Decades-old fixture of the New Orleans alternative-arts landscape.",
          "sources": [
            "https://www.vianolavie.org/2019/07/18/zeitgeist-means-the-spirit-of-the-times-as-reflected-in-art/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate theater/lounge room built for attentive audiences.",
          "sources": [
            "https://www.zeitgeistnola.org/"
          ]
        }
      },
      "score": 55,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.zeitgeistnola.org/",
          "https://www.theadvocate.com/gambit/new_orleans/news/zeitgeist-theatre-lounge-moves-to-arabi-with-opening-week-festivities/article_a803c848-3b9a-11e9-af1d-f7f644afcdcf.html"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "ef0437bd3e997b14",
        "crawl_http_status": 200
      },
      "notes": "Veteran New Orleans-area nonprofit arts center (now in Arabi). Primarily an art-house cinema; the share and regularity of experimental/improvised music programming was not fully verified.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Long-running multi-disciplinary arts center (founded 1986) that blends independent film with live music, including experimental and improvised performances, though not as a single named series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
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          "points": 8.0,
          "max_points": 20,
          "evidence": "Rotating schedule of live music amid film and other programming; music nights are periodic."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Champions local and touring artists including experimental musicians."
        },
        {
          "key": "self_description",
          "label": "Self-description",
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          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Self-describes as a multi-disciplinary arts center blending film, live music, comedy and spoken word."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Long-running independent nonprofit arts center run by Rene Broussard, now in the Arabi Cultural Arts District."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Decades-old fixture of the New Orleans alternative-arts landscape."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Intimate theater/lounge room built for attentive audiences."
        }
      ]
    },
    {
      "id": "angelo-mai-rome",
      "name": "Angelo Mai",
      "aliases": [
        "Angelo Mai Altrove Occupato"
      ],
      "status": "active",
      "location": {
        "address": "Viale delle Terme di Caracalla 55",
        "city": "Rome",
        "region": "Lazio",
        "country": "IT",
        "lat": 41.8788,
        "lon": 12.493
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.angelomai.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Self-managed cultural space for music, theatre and experimentation since 2004; hosts concerts, performances and workshops, with some experimental and jazz programming among a broad electronic/pop offering.",
          "sources": [
            "https://www.turismoroma.it/en/places/angelo-mai",
            "https://www.spottedbylocals.com/rome/angelo-mai/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Frequent and varied events; music leans toward techno, house and pop as well as experimentation.",
          "sources": [
            "https://www.spottedbylocals.com/rome/angelo-mai/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Mixed program; adventurous/experimental acts appear but are not the core focus.",
          "sources": [
            "https://zero.eu/en/luoghi/2818-angelo-mai,roma/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as a place for music, theatre and experimentation, a creative laboratory.",
          "sources": [
            "https://www.turismoroma.it/en/places/angelo-mai"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Run by an occupied-space collective of musicians, actors and cultural workers.",
          "sources": [
            "https://www.spottedbylocals.com/rome/angelo-mai/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "sources": [
            "https://www.turismoroma.it/en/places/angelo-mai"
          ]
        },
        "listening_room": {
          "value": 2,
          "sources": [
            "https://www.spottedbylocals.com/rome/angelo-mai/"
          ]
        }
      },
      "score": 54,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.turismoroma.it/en/places/angelo-mai",
          "https://www.spottedbylocals.com/rome/angelo-mai/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "error",
          "http": 500,
          "detail": "HTTP 500"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "affdfa31ff319504",
        "crawl_http_status": 500
      },
      "notes": "Occupied DIY cultural collective; experimentation is part of the identity but the music program leans electronic/pop, so free-jazz/improv weight is uncertain. Address/coords approximate.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Self-managed cultural space for music, theatre and experimentation since 2004; hosts concerts, performances and workshops, with some experimental and jazz programming among a broad electronic/pop offering."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Frequent and varied events; music leans toward techno, house and pop as well as experimentation."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Mixed program; adventurous/experimental acts appear but are not the core focus."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as a place for music, theatre and experimentation, a creative laboratory."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Run by an occupied-space collective of musicians, actors and cultural workers."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "cafe-central-madrid",
      "name": "Caf\u00e9 Central",
      "aliases": [
        "Caf\u00e9 Central Ateneo"
      ],
      "status": "active",
      "location": {
        "address": "Ateneo de Madrid, Calle del Prado 21",
        "city": "Madrid",
        "region": "Community of Madrid",
        "country": "ES",
        "lat": 40.4148,
        "lon": -3.6985
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 140,
      "website": "https://cafecentralmadrid.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Historic Madrid jazz club (since 1982) presenting live jazz nightly; mostly mainstream jazz with occasional adventurous acts.",
          "sources": [
            "https://cafecentralmadrid.com/",
            "https://www.esmadrid.com/en/nightlife/cafe-central"
          ]
        },
        "show_frequency": {
          "value": 4,
          "evidence": "Two concerts a night, effectively every night of the year.",
          "sources": [
            "https://cafecentralmadrid.com/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Broad jazz roster; not primarily a free/improv venue.",
          "sources": [
            "https://www.esmadrid.com/en/nightlife/cafe-central"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Calls itself the temple of jazz in Madrid.",
          "sources": [
            "https://cafecentralmadrid.com/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial club, recently relocated into the Ateneo de Madrid.",
          "sources": [
            "https://www.telemadrid.es/programas/nos-vemos-en-el-bar/Cafe-Central-el-club-historico-de-la-musica-jazz-en-Madrid-2-2619658023--20231129101700.html"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Named by DownBeat and The Guardian among the best jazz clubs in the world/Europe.",
          "sources": [
            "https://www.spottedbylocals.com/madrid/cafe-central/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate room where the audience sits metres from the performers.",
          "sources": [
            "https://www.esmadrid.com/en/nightlife/cafe-central"
          ]
        }
      },
      "score": 54,
      "tier": "supportive",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://cafecentralmadrid.com/",
          "https://www.esmadrid.com/en/nightlife/cafe-central"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "b72c3bc66fa3be69",
        "crawl_http_status": 200
      },
      "notes": "Historic Madrid jazz club, relocated to the Ateneo de Madrid in 2026; mostly mainstream jazz - supportive rather than a free/improv venue.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Historic Madrid jazz club (since 1982) presenting live jazz nightly; mostly mainstream jazz with occasional adventurous acts."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 4.0,
          "max_value": 5,
          "points": 16.0,
          "max_points": 20,
          "evidence": "Two concerts a night, effectively every night of the year."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Broad jazz roster; not primarily a free/improv venue."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Calls itself the temple of jazz in Madrid."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial club, recently relocated into the Ateneo de Madrid."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Named by DownBeat and The Guardian among the best jazz clubs in the world/Europe."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Intimate room where the audience sits metres from the performers."
        }
      ]
    },
    {
      "id": "healer-indianapolis",
      "name": "Healer",
      "aliases": [
        "Healer DIY"
      ],
      "status": "active",
      "location": {
        "address": "3631 E Raymond St",
        "city": "Indianapolis",
        "region": "IN",
        "country": "US",
        "neighborhood": "Christian Park",
        "lat": 39.7248,
        "lon": -86.1122
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 299,
      "website": "https://www.facebook.com/healerindianapolis/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Immersive DIY art-and-music venue (a converted office building) presenting experimental and adventurous music across genres; no single named improv series, but a hub for the city's experimental/DIY acts.",
          "sources": [
            "https://www.atlasobscura.com/places/healer-2",
            "https://do317.com/venues/healer"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "All-ages venue with shows most nights of the week, indoors and outdoors.",
          "sources": [
            "https://www.indieonthemove.com/venues/healer-indianapolis-indiana"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Programs experimental, noise and adventurous underground acts alongside other genres.",
          "sources": [
            "https://indytoday.6amcity.com/city-guide/live/live-music-venues-indianapolis-in"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as an immersive DIY art and music venue and 'incubator for creating and engaging with art of all kinds.'",
          "sources": [
            "https://www.atlasobscura.com/places/healer-2"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "DIY, artist-run all-ages venue.",
          "sources": [
            "https://www.instagram.com/healerdiy/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "sources": [
            "https://indytoday.6amcity.com/city-guide/live/live-music-venues-indianapolis-in"
          ]
        },
        "listening_room": {
          "value": 2,
          "sources": [
            "https://do317.com/venues/healer"
          ]
        }
      },
      "score": 54,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.atlasobscura.com/places/healer-2",
          "https://do317.com/venues/healer"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 400,
          "detail": "HTTP 400"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "dac38bcd4ec73989",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: DIY Indianapolis art/music venue that hosts experimental and adventurous music; confirm how much of the calendar is improv/experimental vs. broader indie/DIY.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Immersive DIY art-and-music venue (a converted office building) presenting experimental and adventurous music across genres; no single named improv series, but a hub for the city's experimental/DIY acts."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "All-ages venue with shows most nights of the week, indoors and outdoors."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Programs experimental, noise and adventurous underground acts alongside other genres."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as an immersive DIY art and music venue and 'incubator for creating and engaging with art of all kinds.'"
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "DIY, artist-run all-ages venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "occii-amsterdam",
      "name": "OCCII",
      "aliases": [
        "Onafhankelijk Cultureel Centrum In It"
      ],
      "status": "active",
      "location": {
        "address": "Amstelveenseweg 134",
        "city": "Amsterdam",
        "region": "Noord-Holland",
        "country": "NL",
        "lat": 52.356,
        "lon": 4.864
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 250,
      "website": "https://occii.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Venue for alternative and independent music in a legalised squat; program includes experimental hip-hop and obscure jazz among many underground genres.",
          "sources": [
            "https://en.wikipedia.org/wiki/OCCII",
            "https://occii.org/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Open most nights across the underground music spectrum, of which experimental/improv is one part.",
          "sources": [
            "https://occii.org/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Books DIY touring bands across punk, noise, experimental and obscure jazz rather than a dedicated improv roster.",
          "sources": [
            "https://occii.org/diy/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Represents DIY methods and volunteer self-organisation; a hub for the global underground music scene.",
          "sources": [
            "https://occii.org/diy/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Volunteer-run legalised squat rooted in the squatting movement, active since 1992.",
          "sources": [
            "https://en.wikipedia.org/wiki/OCCII"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Legendary Amsterdam DIY venue and a long-standing stop for European underground tours.",
          "sources": [
            "https://en.wikipedia.org/wiki/OCCII"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Standing-room DIY gig space rather than a seated listening room.",
          "sources": [
            "https://occii.org/"
          ]
        }
      },
      "score": 54,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://occii.org/",
          "https://en.wikipedia.org/wiki/OCCII"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e9356f26a06d8b90",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: DIY squat venue with broad underground programming; free/improv jazz is occasional. Confirm improv share.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Venue for alternative and independent music in a legalised squat; program includes experimental hip-hop and obscure jazz among many underground genres."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Open most nights across the underground music spectrum, of which experimental/improv is one part."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Books DIY touring bands across punk, noise, experimental and obscure jazz rather than a dedicated improv roster."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Represents DIY methods and volunteer self-organisation; a hub for the global underground music scene."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Volunteer-run legalised squat rooted in the squatting movement, active since 1992."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Legendary Amsterdam DIY venue and a long-standing stop for European underground tours."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Standing-room DIY gig space rather than a seated listening room."
        }
      ]
    },
    {
      "id": "ot301-amsterdam",
      "name": "OT301",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "Overtoom 301",
        "city": "Amsterdam",
        "region": "Noord-Holland",
        "country": "NL",
        "lat": 52.36,
        "lon": 4.862
      },
      "type": "diy_space",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.ot301.nl/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Self-managed legalised squat and artist collective offering a stage for experimental music, film, dance and theatre; music is one of several strands.",
          "sources": [
            "https://en.wikipedia.org/wiki/OT301"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular concerts and club nights across experimental and underground genres.",
          "sources": [
            "https://radar.squat.net/en/amsterdam/ot301-studio"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Books experimental and underground artists among a broad program; not a dedicated improv roster.",
          "sources": [
            "https://en.wikipedia.org/wiki/OT301"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Platform for artists to live and work together with public programming for experimental music.",
          "sources": [
            "https://en.wikipedia.org/wiki/OT301"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run, self-managed social centre owned by the user association EHBK; awarded the Amsterdam Prize for the Arts in 2007.",
          "sources": [
            "https://en.wikipedia.org/wiki/OT301"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Celebrated example of Amsterdam's squat-to-cultural-institution scene.",
          "sources": [
            "https://theglobalgrid.org/ot301-rooted-in-amsterdams-squatter-movement-now-a-thriving-experiment-in-self-management/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "DIY concert/club space rather than a dedicated listening room.",
          "sources": [
            "https://en.wikipedia.org/wiki/OT301"
          ]
        }
      },
      "score": 54,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://en.wikipedia.org/wiki/OT301"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "c979228345b79ec2",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: artist-run former-squat with broad experimental programming; free/improv jazz share uncertain.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Self-managed legalised squat and artist collective offering a stage for experimental music, film, dance and theatre; music is one of several strands."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular concerts and club nights across experimental and underground genres."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Books experimental and underground artists among a broad program; not a dedicated improv roster."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Platform for artists to live and work together with public programming for experimental music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run, self-managed social centre owned by the user association EHBK; awarded the Amsterdam Prize for the Arts in 2007."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Celebrated example of Amsterdam's squat-to-cultural-institution scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "DIY concert/club space rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "spark-contemporary-art-space",
      "name": "Spark Contemporary Art Space",
      "aliases": [
        "Spark Art Space"
      ],
      "status": "active",
      "location": {
        "address": "1001 E Fayette St",
        "city": "Syracuse",
        "region": "NY",
        "country": "US",
        "lat": 43.0489,
        "lon": -76.1329
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": null,
      "website": "https://www.facebook.com/sparkartspace/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Longstanding Syracuse DIY, community-based art space used as a home base by musicians and artists; hosts experimental and improvised music within a broad calendar.",
          "sources": [
            "https://cityseeker.com/syracuse-ny/795979-spark-contemporary-art-space",
            "https://www.songkick.com/venues/49377-spark-contemporary-art-space"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Hosts concerts and art events; setlist/concert listings show ongoing music programming.",
          "sources": [
            "https://www.setlist.fm/venue/spark-art-space-syracuse-ny-usa-6bd7468a.html"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Home base for a wide range of Syracuse-area musicians including experimental acts.",
          "sources": [
            "https://cityseeker.com/syracuse-ny/795979-spark-contemporary-art-space"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Framed as a grassroots DIY contemporary-art space serving artists of all mediums.",
          "sources": [
            "https://cityseeker.com/syracuse-ny/795979-spark-contemporary-art-space"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Grassroots, DIY, artist-run space.",
          "sources": [
            "https://cityseeker.com/syracuse-ny/795979-spark-contemporary-art-space"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "One of Syracuse's longest-standing community art centers (20+ years).",
          "sources": [
            "https://cityseeker.com/syracuse-ny/795979-spark-contemporary-art-space"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Multi-use art space rather than a dedicated listening room.",
          "sources": [
            "https://cityseeker.com/syracuse-ny/795979-spark-contemporary-art-space"
          ]
        }
      },
      "score": 54,
      "tier": "supportive",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://cityseeker.com/syracuse-ny/795979-spark-contemporary-art-space",
          "https://www.songkick.com/venues/49377-spark-contemporary-art-space"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 400,
          "detail": "HTTP 400"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "d41f5b4977ee05c6",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: reporting has mentioned possible relocation; confirm current address, activity and share of experimental/improv programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Longstanding Syracuse DIY, community-based art space used as a home base by musicians and artists; hosts experimental and improvised music within a broad calendar."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Hosts concerts and art events; setlist/concert listings show ongoing music programming."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Home base for a wide range of Syracuse-area musicians including experimental acts."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Framed as a grassroots DIY contemporary-art space serving artists of all mediums."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Grassroots, DIY, artist-run space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "One of Syracuse's longest-standing community art centers (20+ years)."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Multi-use art space rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "robadors-23-barcelona",
      "name": "23 Robadors",
      "aliases": [
        "Robadors 23"
      ],
      "status": "active",
      "location": {
        "address": "Carrer d'En Robador 23",
        "city": "Barcelona",
        "region": "Catalonia",
        "country": "ES",
        "neighborhood": "El Raval",
        "lat": 41.3796,
        "lon": 2.1706
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 60,
      "website": "https://23robadors.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 3,
          "evidence": "Intimate Raval bar with daily live music; weekly La Jam de Jazz (Wednesdays) that is free for musicians and known for free-leaning jazz jams.",
          "sources": [
            "https://23robadors.com/",
            "https://ma.to/event/la-jam-de-jazz-23robadors-1-april-2026"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Live music most days; weekly jazz jam plus flamenco and other genres.",
          "sources": [
            "https://23robadors.com/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Local jam-based jazz scene with some free-jazz players; broad mix with flamenco, funk and rock.",
          "sources": [
            "https://www.barcelona-metropolitan.com/locations/23-robadors-barcelona-music-venue/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as a raw, unpretentious live-music bar rather than a dedicated experimental venue.",
          "sources": [
            "https://www.barcelona-metropolitan.com/locations/23-robadors-barcelona-music-venue/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Small independent Raval bar operating since 2004.",
          "sources": [
            "https://www.barcelona-metropolitan.com/locations/23-robadors-barcelona-music-venue/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A Raval institution for authentic live jazz and flamenco jams.",
          "sources": [
            "https://barcelonaurbana.com/en/blog/best-live-music-bars-barcelona"
          ]
        },
        "listening_room": {
          "value": 2,
          "sources": [
            "https://23robadors.com/"
          ]
        }
      },
      "score": 53,
      "tier": "supportive",
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://23robadors.com/",
          "https://www.barcelona-metropolitan.com/locations/23-robadors-barcelona-music-venue/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "1a6addf4cf39b19d",
        "crawl_http_status": 200
      },
      "notes": "Tiny Raval bar with a weekly free-leaning jazz jam among a broad live-music program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 3.0,
          "max_value": 5,
          "points": 15.0,
          "max_points": 25,
          "evidence": "Intimate Raval bar with daily live music; weekly La Jam de Jazz (Wednesdays) that is free for musicians and known for free-leaning jazz jams."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Live music most days; weekly jazz jam plus flamenco and other genres."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Local jam-based jazz scene with some free-jazz players; broad mix with flamenco, funk and rock."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as a raw, unpretentious live-music bar rather than a dedicated experimental venue."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Small independent Raval bar operating since 2004."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "A Raval institution for authentic live jazz and flamenco jams."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "arts-mission-oak-cliff-dallas",
      "name": "Arts Mission Oak Cliff",
      "aliases": [
        "AMOC"
      ],
      "status": "active",
      "location": {
        "address": "410 S Windomere Ave",
        "city": "Dallas",
        "region": "TX",
        "country": "US",
        "neighborhood": "North Oak Cliff",
        "lat": 32.7475,
        "lon": -96.8392
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.artsmissionoc.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Nonprofit performing/visual-arts center in a repurposed 1929 church that hosts experimental and improvised performance; a documented venue for the Transitory Sound and Movement Collective.",
          "sources": [
            "https://www.artsmissionoc.org/",
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Diverse performance calendar in which experimental/improvised music is periodic.",
          "sources": [
            "https://do214.com/venues/arts-mission-oak-cliff"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Hosts experimental interdisciplinary artists (e.g. the Transitory Sound and Movement Collective) among broader programming.",
          "sources": [
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as a creative community and performing/visual-arts center supporting artists' development.",
          "sources": [
            "https://www.artsmissionoc.org/mission"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "501(c)(3) nonprofit community and coworking arts center.",
          "sources": [
            "https://www.artsmissionoc.org/mission"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Recognized North Oak Cliff arts hub; presence in regional experimental programming.",
          "sources": [
            "https://do214.com/venues/arts-mission-oak-cliff"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Church-sanctuary performance space suited to attentive audiences.",
          "sources": [
            "https://www.artsmissionoc.org/visit"
          ]
        }
      },
      "score": 53,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.artsmissionoc.org/",
          "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "71f6d555c3ba6c95",
        "crawl_http_status": 200
      },
      "notes": "Nonprofit Oak Cliff arts center in a converted church; hosts experimental/improvised interdisciplinary work. Regularity of dedicated improv programming not fully verified.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Nonprofit performing/visual-arts center in a repurposed 1929 church that hosts experimental and improvised performance; a documented venue for the Transitory Sound and Movement Collective."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Diverse performance calendar in which experimental/improvised music is periodic."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Hosts experimental interdisciplinary artists (e.g. the Transitory Sound and Movement Collective) among broader programming."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as a creative community and performing/visual-arts center supporting artists' development."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "501(c)(3) nonprofit community and coworking arts center."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Recognized North Oak Cliff arts hub; presence in regional experimental programming."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Church-sanctuary performance space suited to attentive audiences."
        }
      ]
    },
    {
      "id": "hairpin-arts-center",
      "name": "Hairpin Arts Center",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "2810 N Milwaukee Ave",
        "city": "Chicago",
        "region": "IL",
        "country": "US",
        "neighborhood": "Avondale",
        "lat": 41.9322,
        "lon": -87.7118
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.hairpinartscenter.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Community art center offering traditional and experimental programming across performing arts (music, theater, spoken word, dance); experimental music appears within a broad calendar rather than a named improv series.",
          "sources": [
            "https://www.hairpinartscenter.org/",
            "https://en.wikipedia.org/wiki/Hairpin_Arts_Center"
          ]
        },
        "show_frequency": {
          "value": 2,
          "sources": [
            "https://do312.com/venues/hairpin-arts-center"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Connects local, national and international artists and arts groups to the community.",
          "sources": [
            "https://www.hairpinartscenter.org/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes offering 'a variety of traditional and experimental programming.'",
          "sources": [
            "https://www.choosechicago.com/listing/hairpin-arts-center/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit community art center in the historic Morris B. Sachs building.",
          "sources": [
            "https://en.wikipedia.org/wiki/Hairpin_Arts_Center"
          ]
        },
        "community_reputation": {
          "value": 2,
          "sources": [
            "https://www.choosechicago.com/listing/hairpin-arts-center/"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://www.hairpinartscenter.org/"
          ]
        }
      },
      "score": 53,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.hairpinartscenter.org/",
          "https://en.wikipedia.org/wiki/Hairpin_Arts_Center"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "f67eb83f27cea48e",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: nonprofit Avondale arts center that hosts experimental performances; confirm frequency/share of improv-specific programming.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Community art center offering traditional and experimental programming across performing arts (music, theater, spoken word, dance); experimental music appears within a broad calendar rather than a named improv series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Connects local, national and international artists and arts groups to the community."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes offering 'a variety of traditional and experimental programming.'"
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit community art center in the historic Morris B. Sachs building."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "real-time-and-space-oakland",
      "name": "Real Time & Space",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "125 10th St",
        "city": "Oakland",
        "region": "CA",
        "country": "US",
        "neighborhood": "Chinatown",
        "lat": 37.8017,
        "lon": -122.2666
      },
      "type": "diy_space",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.realtimeandspace.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Artist-run studios with a public-program venue that hosts experimental and interdisciplinary performances; music is one strand among residencies and talks.",
          "sources": [
            "https://www.realtimeandspace.org/",
            "https://soex.org/alternative-exposure/grant-recipients-projects/real-time-and-space"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Public programming tied to a residency cycle rather than a frequent concert series.",
          "sources": [
            "https://soex.org/alternative-exposure/grant-recipients-projects/real-time-and-space"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Local and international experimental artists in residence, some presenting sound/music work.",
          "sources": [
            "https://www.realtimeandspace.org/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Artist-run organization providing studio space and a public platform for experimental practice.",
          "sources": [
            "https://www.realtimeandspace.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run nonprofit-style collective in a converted print shop.",
          "sources": [
            "https://soex.org/alternative-exposure/grant-recipients-projects/real-time-and-space"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Known in the East Bay artist community; listed on Bay Improviser.",
          "sources": [
            "https://www.bayimproviser.com/venues.aspx"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Flexible public-program space within a studio building.",
          "sources": [
            "https://www.realtimeandspace.org/"
          ]
        }
      },
      "score": 53,
      "tier": "supportive",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.realtimeandspace.org/",
          "https://soex.org/alternative-exposure/grant-recipients-projects/real-time-and-space"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "2189ecbdd4441eac",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: primarily an artist-studio/residency space with occasional public experimental-music programming; confirm music-event frequency.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Artist-run studios with a public-program venue that hosts experimental and interdisciplinary performances; music is one strand among residencies and talks."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Public programming tied to a residency cycle rather than a frequent concert series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Local and international experimental artists in residence, some presenting sound/music work."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Artist-run organization providing studio space and a public platform for experimental practice."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run nonprofit-style collective in a converted print shop."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Known in the East Bay artist community; listed on Bay Improviser."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Flexible public-program space within a studio building."
        }
      ]
    },
    {
      "id": "understudy-denver",
      "name": "Understudy",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "890 C 14th St",
        "city": "Denver",
        "region": "CO",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 39.7448,
        "lon": -104.9958
      },
      "type": "gallery",
      "operating_model": "municipal",
      "capacity": null,
      "website": "https://do303.com/venues/understudy",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "An experimental arts-and-culture space in the Colorado Convention Center with rotating exhibitions and collaborations that include musicians, performance artists and collectives; music is one strand among many.",
          "sources": [
            "https://www.westword.com/best-of-denver/2021/arts-and-entertainment/best-experimental-art-space-11960067/",
            "https://www.westword.com/arts/denver-theatre-district-launches-understudy-an-experimental-art-space-9560867"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Regularly rotating programming, but experimental-music events are intermittent.",
          "sources": [
            "https://do303.com/venues/understudy"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Showcases collaborations across the city's cultural scene, including experimental musicians.",
          "sources": [
            "https://www.westword.com/best-of-denver/2021/arts-and-entertainment/best-experimental-art-space-11960067/"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Bills itself as a first-of-its-kind experimental art space / arts incubator.",
          "sources": [
            "https://www.westword.com/arts/denver-theatre-district-launches-understudy-an-experimental-art-space-9560867"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Curated and funded by the Denver Theatre District in a civic convention-center space.",
          "sources": [
            "https://www.westword.com/arts/denver-theatre-district-launches-understudy-an-experimental-art-space-9560867"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Named \"Best Experimental Art Space\" by Westword.",
          "sources": [
            "https://www.westword.com/best-of-denver/2021/arts-and-entertainment/best-experimental-art-space-11960067/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Small (700 sq ft) gallery/incubator space; attentive but multi-use.",
          "sources": [
            "https://www.westword.com/arts/denver-theatre-district-launches-understudy-an-experimental-art-space-9560867"
          ]
        }
      },
      "score": 53,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.westword.com/best-of-denver/2021/arts-and-entertainment/best-experimental-art-space-11960067/",
          "https://www.westword.com/arts/denver-theatre-district-launches-understudy-an-experimental-art-space-9560867",
          "https://do303.com/venues/understudy"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e3b0c44298fc1c14",
        "crawl_http_status": 403
      },
      "notes": "Experimental art space in the Colorado Convention Center. Music is one part of a multidisciplinary program; frequency/current music focus needs confirmation.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "An experimental arts-and-culture space in the Colorado Convention Center with rotating exhibitions and collaborations that include musicians, performance artists and collectives; music is one strand among many."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Regularly rotating programming, but experimental-music events are intermittent."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Showcases collaborations across the city's cultural scene, including experimental musicians."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Bills itself as a first-of-its-kind experimental art space / arts incubator."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Curated and funded by the Denver Theatre District in a civic convention-center space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Named \"Best Experimental Art Space\" by Westword."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Small (700 sq ft) gallery/incubator space; attentive but multi-use."
        }
      ]
    },
    {
      "id": "match-houston",
      "name": "MATCH - Midtown Arts & Theater Center Houston",
      "aliases": [
        "MATCH Houston",
        "Midtown Arts and Theater Center Houston"
      ],
      "status": "active",
      "location": {
        "address": "3400 Main St",
        "city": "Houston",
        "region": "TX",
        "country": "US",
        "neighborhood": "Midtown",
        "lat": 29.7392,
        "lon": -95.3782
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://matchouston.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Multi-stage nonprofit arts center that hosts new-music and experimental programming (including Nameless Sound and contemporary ensembles) among a broad performing-arts calendar.",
          "sources": [
            "https://matchouston.org/",
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Experimental/new-music events occur periodically within a heavily theater- and dance-weighted schedule.",
          "sources": [
            "https://matchouston.org/calendar"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Resident and visiting groups include contemporary/new-music ensembles alongside adventurous programming.",
          "sources": [
            "https://matchouston.org/calendar"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as a hub for Houston's performing and visual arts broadly, not specifically experimental music.",
          "sources": [
            "https://matchouston.org/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit, purpose-built multidisciplinary arts center opened 2015.",
          "sources": [
            "https://matchouston.org/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Established Midtown arts hub used by the city's new-music and experimental presenters.",
          "sources": [
            "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Proper theaters/black-box stages built for attentive audiences.",
          "sources": [
            "https://matchouston.org/"
          ]
        }
      },
      "score": 52,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://matchouston.org/",
          "https://artsandculturetx.com/a-brief-survey-of-experimental-music-in-houston/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "4f1965f3e5934dd1",
        "crawl_http_status": 200
      },
      "notes": "Nonprofit multidisciplinary arts center; hosts new-music/experimental events as part of a wide program. Frequency of specifically improv/free programming not fully verified.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Multi-stage nonprofit arts center that hosts new-music and experimental programming (including Nameless Sound and contemporary ensembles) among a broad performing-arts calendar."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Experimental/new-music events occur periodically within a heavily theater- and dance-weighted schedule."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Resident and visiting groups include contemporary/new-music ensembles alongside adventurous programming."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as a hub for Houston's performing and visual arts broadly, not specifically experimental music."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit, purpose-built multidisciplinary arts center opened 2015."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Established Midtown arts hub used by the city's new-music and experimental presenters."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Proper theaters/black-box stages built for attentive audiences."
        }
      ]
    },
    {
      "id": "sala-diaz-san-antonio",
      "name": "Sala Diaz",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "San Antonio",
        "region": "TX",
        "country": "US",
        "neighborhood": "King William / Cultural Arts District",
        "lat": 29.4092,
        "lon": -98.4848
      },
      "type": "gallery",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "http://www.saladiazart.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Artist-centric experimental nonprofit art venue (founded 1995) that hosts performance, sound and experimental events alongside its exhibitions and residency program.",
          "sources": [
            "http://www.saladiazart.org/about",
            "https://medium.com/the-operating-system/welcome-to-sala-diaz-an-artist-centric-experimental-venue-in-san-antonio-62377965b972"
          ]
        },
        "show_frequency": {
          "value": 1,
          "evidence": "Music/sound events are occasional within a primarily visual-art and residency program.",
          "sources": [
            "https://glasstire.com/venues/sala-diaz/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Programs experimental artists across disciplines, including sound and performance.",
          "sources": [
            "https://medium.com/the-operating-system/welcome-to-sala-diaz-an-artist-centric-experimental-venue-in-san-antonio-62377965b972"
          ]
        },
        "self_description": {
          "value": 4,
          "evidence": "Self-describes as an experimental nonprofit venue promoting an artist-centric model.",
          "sources": [
            "http://www.saladiazart.org/about"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Artist-run 501(c)(3) nonprofit contemporary-art space.",
          "sources": [
            "http://www.saladiazart.org/about"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Long-standing pillar of San Antonio's experimental/contemporary-art community.",
          "sources": [
            "https://glasstire.com/venues/sala-diaz/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Intimate gallery/house setting rather than a dedicated music listening room.",
          "sources": [
            "http://www.saladiazart.org/about"
          ]
        }
      },
      "score": 51,
      "tier": "supportive",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://www.saladiazart.org/",
          "https://medium.com/the-operating-system/welcome-to-sala-diaz-an-artist-centric-experimental-venue-in-san-antonio-62377965b972"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e685d21af90bea2e",
        "crawl_http_status": 200
      },
      "notes": "Artist-run experimental art nonprofit in San Antonio's King William area (coordinates approximate); hosts sound/performance work but is primarily a visual-art space. Music frequency not fully verified.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Artist-centric experimental nonprofit art venue (founded 1995) that hosts performance, sound and experimental events alongside its exhibitions and residency program."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 1.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 20,
          "evidence": "Music/sound events are occasional within a primarily visual-art and residency program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Programs experimental artists across disciplines, including sound and performance."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 4.0,
          "max_value": 5,
          "points": 9.6,
          "max_points": 12,
          "evidence": "Self-describes as an experimental nonprofit venue promoting an artist-centric model."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Artist-run 501(c)(3) nonprofit contemporary-art space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Long-standing pillar of San Antonio's experimental/contemporary-art community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Intimate gallery/house setting rather than a dedicated music listening room."
        }
      ]
    },
    {
      "id": "the-old-church-portland",
      "name": "The Old Church Concert Hall",
      "aliases": [
        "TOC"
      ],
      "status": "active",
      "location": {
        "address": "1422 SW 11th Ave",
        "city": "Portland",
        "region": "OR",
        "country": "US",
        "neighborhood": "West End",
        "lat": 45.5155,
        "lon": -122.6869
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": 300,
      "website": "https://www.tocportland.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "A 300-seat nonprofit concert hall presenting alternative, world, indie, classical and jazz; hosts adventurous/new-music programming (including Creative Music Guild and Extradition events) as part of a wide slate.",
          "sources": [
            "https://www.tocportland.org/about"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Busy year-round calendar, but experimental/improvised music is an occasional subset.",
          "sources": [
            "https://www.tocportland.org/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Mostly chamber, classical, indie and singer-songwriter; some adventurous and jazz bookings.",
          "sources": [
            "https://www.tocportland.org/about"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Bills itself as \"Portland's Sanctuary of Sound,\" a cornerstone of the city's creative and cultural district.",
          "sources": [
            "https://www.tocportland.org/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Nonprofit historic-landmark concert hall (built 1882).",
          "sources": [
            "https://www.travelportland.com/meetings/hotel-venue-finder/the-old-church-concert-hall/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Long-established, acoustically prized listening room central to Portland's arts scene.",
          "sources": [
            "https://cmnw.org/venues/the-old-church-concert-hall"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Intimate 300-seat seated hall renowned for its acoustics.",
          "sources": [
            "https://www.travelportland.com/meetings/hotel-venue-finder/the-old-church-concert-hall/"
          ]
        }
      },
      "score": 51,
      "tier": "supportive",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.tocportland.org/",
          "https://www.tocportland.org/about",
          "https://www.travelportland.com/meetings/hotel-venue-finder/the-old-church-concert-hall/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "cf2866221b8c1ede",
        "crawl_http_status": 200
      },
      "notes": "Historic 1882 nonprofit concert hall; a strong listening room that programs adventurous/new music occasionally within a broad calendar.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "A 300-seat nonprofit concert hall presenting alternative, world, indie, classical and jazz; hosts adventurous/new-music programming (including Creative Music Guild and Extradition events) as part of a wide slate."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Busy year-round calendar, but experimental/improvised music is an occasional subset."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Mostly chamber, classical, indie and singer-songwriter; some adventurous and jazz bookings."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Bills itself as \"Portland's Sanctuary of Sound,\" a cornerstone of the city's creative and cultural district."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Nonprofit historic-landmark concert hall (built 1882)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Long-established, acoustically prized listening room central to Portland's arts scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Intimate 300-seat seated hall renowned for its acoustics."
        }
      ]
    },
    {
      "id": "hot-clube-de-portugal-lisbon",
      "name": "Hot Clube de Portugal",
      "aliases": [
        "Hot Club of Portugal"
      ],
      "status": "active",
      "location": {
        "address": "Pra\u00e7a da Alegria 48",
        "city": "Lisbon",
        "region": "Lisbon",
        "country": "PT",
        "lat": 38.7186,
        "lon": -9.1447
      },
      "type": "bar_club",
      "operating_model": "nonprofit",
      "capacity": 80,
      "website": "https://hcp.pt/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Oldest jazz club in Portugal (since 1948); a home for jazz broadly, with occasional adventurous programming, and runs a jazz school.",
          "sources": [
            "https://en.wikipedia.org/wiki/Hot_Club_of_Portugal",
            "https://hcp.pt/"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Live jazz Tuesday to Saturday.",
          "sources": [
            "https://www.jazznearyou.com/lisbon/venue/hot-clube-de-portugal"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Mainly a broad jazz roster; not primarily a free/improv venue.",
          "sources": [
            "https://en.wikipedia.org/wiki/Hot_Club_of_Portugal"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Motto \"disclosure of jazz music\"; general jazz identity.",
          "sources": [
            "https://en.wikipedia.org/wiki/Hot_Club_of_Portugal"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Long-running membership jazz association.",
          "sources": [
            "https://en.wikipedia.org/wiki/Hot_Club_of_Portugal"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Listed by DownBeat and The Guardian among the world's/Europe's best jazz clubs.",
          "sources": [
            "https://hcp.pt/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate cellar listening club.",
          "sources": [
            "https://www.visitlisboa.com/en/places/hot-clube-de-portugal"
          ]
        }
      },
      "score": 50,
      "tier": "supportive",
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://en.wikipedia.org/wiki/Hot_Club_of_Portugal",
          "https://hcp.pt/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "e47e2eef0c2453ac",
        "crawl_http_status": 200
      },
      "notes": "Historic Lisbon jazz club; mostly straight-ahead jazz with occasional adventurous programming - supportive rather than a free/improv cornerstone.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Oldest jazz club in Portugal (since 1948); a home for jazz broadly, with occasional adventurous programming, and runs a jazz school."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Live jazz Tuesday to Saturday."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Mainly a broad jazz roster; not primarily a free/improv venue."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Motto \"disclosure of jazz music\"; general jazz identity."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Long-running membership jazz association."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Listed by DownBeat and The Guardian among the world's/Europe's best jazz clubs."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Intimate cellar listening club."
        }
      ]
    },
    {
      "id": "ps118-gallery",
      "name": "PS118 Gallery",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "118 W Parrish St",
        "city": "Durham",
        "region": "NC",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 35.9958,
        "lon": -78.9008
      },
      "type": "gallery",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.mallarmemusic.org/venue/ps118-gallery/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Small downtown gallery used as an intimate venue for new/chamber and improvised music (e.g. Mallarme Music's Dynamic Duos mini-festival).",
          "sources": [
            "https://www.mallarmemusic.org/venue/ps118-gallery/",
            "https://cvnc.org/article.cfm?articleId=10426"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Hosts occasional concerts as one of several small Durham venues used by presenters.",
          "sources": [
            "https://cvnc.org/article.cfm?articleId=10426"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Programs new-music and improvising performers via partner presenters.",
          "sources": [
            "https://www.mallarmemusic.org/venue/ps118-gallery/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as an art gallery that also hosts intimate performances.",
          "sources": [
            "https://www.mallarmemusic.org/venue/ps118-gallery/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Independent artist/gallery space.",
          "sources": [
            "https://www.mallarmemusic.org/venue/ps118-gallery/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Known locally as an intimate Durham performance venue.",
          "sources": [
            "https://cvnc.org/article.cfm?articleId=10426"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Small gallery setting suited to attentive listening.",
          "sources": [
            "https://www.mallarmemusic.org/venue/ps118-gallery/"
          ]
        }
      },
      "score": 50,
      "tier": "supportive",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.mallarmemusic.org/venue/ps118-gallery/",
          "https://cvnc.org/article.cfm?articleId=10426"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "cafd2ba147f138e7",
        "crawl_http_status": 200
      },
      "notes": "Downtown Durham gallery used as an intimate concert venue by new-music/improv presenters. Frequency and current improv-specific programming not fully verified; needs human review.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Small downtown gallery used as an intimate venue for new/chamber and improvised music (e.g. Mallarme Music's Dynamic Duos mini-festival)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Hosts occasional concerts as one of several small Durham venues used by presenters."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Programs new-music and improvising performers via partner presenters."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as an art gallery that also hosts intimate performances."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Independent artist/gallery space."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Known locally as an intimate Durham performance venue."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Small gallery setting suited to attentive listening."
        }
      ]
    },
    {
      "id": "star-and-shadow-newcastle",
      "name": "Star and Shadow Cinema",
      "aliases": [
        "Star & Shadow"
      ],
      "status": "active",
      "location": {
        "address": "Warwick St",
        "city": "Newcastle upon Tyne",
        "region": "England",
        "country": "GB",
        "neighborhood": "Byker",
        "lat": 54.979,
        "lon": -1.596
      },
      "type": "diy_space",
      "operating_model": "diy_collective",
      "capacity": 200,
      "website": "https://www.starandshadow.org.uk/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Volunteer-run DIY arts/music/cinema co-op; hosts experimental music festivals and gigs among a wide program, but no single standing improv series.",
          "sources": [
            "https://www.starandshadow.org.uk/about/sas/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Frequent events, with experimental/improvised music one strand of a varied grassroots calendar.",
          "sources": [
            "https://www.starandshadow.org.uk/about/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Anyone who volunteers can put on a gig; program includes experimental music alongside film, DJ and community events.",
          "sources": [
            "https://www.starandshadow.org.uk/about/sas/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Dedicated to independent grass-roots culture; hosts weird DJ sets and experimental music festivals.",
          "sources": [
            "https://www.starandshadow.org.uk/about/sas/"
          ]
        },
        "operating_model": {
          "value": 5,
          "evidence": "Entirely volunteer-run co-operative that owns and built its own building; no bosses, consensus decision-making.",
          "sources": [
            "https://www.starandshadow.org.uk/about/sas/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Long-standing North East DIY institution (since 2006) noted by NARC. and local press.",
          "sources": [
            "https://narcmagazine.com/my-year-star-shadow-cinema/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "200-capacity music room plus an 80-seat cinema; often standing gigs.",
          "sources": [
            "https://www.starandshadow.org.uk/about/"
          ]
        }
      },
      "score": 50,
      "tier": "supportive",
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.starandshadow.org.uk/about/sas/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "75550b7aa16cd78e",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: DIY volunteer co-op with broad programming; experimental/improv music is one strand. Confirm current cadence.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Volunteer-run DIY arts/music/cinema co-op; hosts experimental music festivals and gigs among a wide program, but no single standing improv series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Frequent events, with experimental/improvised music one strand of a varied grassroots calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Anyone who volunteers can put on a gig; program includes experimental music alongside film, DJ and community events."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Dedicated to independent grass-roots culture; hosts weird DJ sets and experimental music festivals."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 5,
          "max_value": 5,
          "points": 10.0,
          "max_points": 10,
          "evidence": "Entirely volunteer-run co-operative that owns and built its own building; no bosses, consensus decision-making."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Long-standing North East DIY institution (since 2006) noted by NARC. and local press."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "200-capacity music room plus an 80-seat cinema; often standing gigs."
        }
      ]
    },
    {
      "id": "clements-place-newark",
      "name": "Clement's Place",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "15 Washington St",
        "city": "Newark",
        "region": "NJ",
        "country": "US",
        "lat": 40.7395,
        "lon": -74.1725
      },
      "type": "presenter",
      "operating_model": "university",
      "capacity": null,
      "website": "https://www.newark.rutgers.edu/event/jazz-jam-sessions-clements-place-presented-institute-jazz-studies-and-njpac-0",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Jazz venue on the Rutgers-Newark campus presenting a monthly jazz series and jam sessions via the Institute of Jazz Studies and NJPAC, where musicians jam and improvise with a professional band.",
          "sources": [
            "https://www.njpac.org/event/jazz-jams-at-clements-place-nov/",
            "https://www.newark.rutgers.edu/event/jazz-jam-sessions-clements-place-presented-institute-jazz-studies-and-njpac-0"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular monthly jazz jam sessions plus additional jazz performances.",
          "sources": [
            "https://gregoryburrusproductions.com/2024/01/03/clements-place-schedule-fall-23-24/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Features established and emerging jazz musicians; program leans mainstream/straight-ahead jazz rather than free improvisation.",
          "sources": [
            "https://www.jazznearyou.com/newark/venue/clements-place"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as an intimate jazz club with jam sessions honoring historian Clement Price; improvisation is welcomed at the jams.",
          "sources": [
            "https://www.njsymphony.org/venues/detail/clements-place-at-rutgers-university-newark"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "University-affiliated venue run with the Rutgers Institute of Jazz Studies and NJPAC.",
          "sources": [
            "https://www.njsymphony.org/venues/detail/clements-place-at-rutgers-university-newark"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized Newark jazz venue tied to the Institute of Jazz Studies.",
          "sources": [
            "https://www.newarkhappening.com/listing/clements-place/999/"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate jazz-club listening setting with a full bar.",
          "sources": [
            "https://www.njsymphony.org/venues/detail/clements-place-at-rutgers-university-newark"
          ]
        }
      },
      "score": 49,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.njpac.org/event/jazz-jams-at-clements-place-nov/",
          "https://www.newark.rutgers.edu/event/jazz-jam-sessions-clements-place-presented-institute-jazz-studies-and-njpac-0"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "3ca9a2764f4dfc23",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: real, active jazz venue but leans straight-ahead jazz/jam sessions; confirm how much genuine free/creative improv it programs.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Jazz venue on the Rutgers-Newark campus presenting a monthly jazz series and jam sessions via the Institute of Jazz Studies and NJPAC, where musicians jam and improvise with a professional band."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular monthly jazz jam sessions plus additional jazz performances."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Features established and emerging jazz musicians; program leans mainstream/straight-ahead jazz rather than free improvisation."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as an intimate jazz club with jam sessions honoring historian Clement Price; improvisation is welcomed at the jams."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "University-affiliated venue run with the Rutgers Institute of Jazz Studies and NJPAC."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized Newark jazz venue tied to the Institute of Jazz Studies."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": "Intimate jazz-club listening setting with a full bar."
        }
      ]
    },
    {
      "id": "icehouse",
      "name": "Icehouse",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Minneapolis",
        "region": "MN",
        "country": "US",
        "neighborhood": "Eat Street",
        "lat": 44.9553,
        "lon": -93.278
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://icehousempls.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Two-story supper club booking a wide range including adventurous jazz; not free-jazz-dedicated.",
          "sources": [
            "https://www.exploreminnesota.com/profile/icehouse/4037"
          ]
        },
        "show_frequency": {
          "value": 3,
          "sources": [
            "https://www.exploreminnesota.com/profile/icehouse/4037"
          ]
        },
        "artist_roster": {
          "value": 3,
          "sources": [
            "https://www.exploreminnesota.com/profile/icehouse/4037"
          ]
        },
        "self_description": {
          "value": 2,
          "sources": [
            "https://www.exploreminnesota.com/profile/icehouse/4037"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial supper club / music venue.",
          "sources": [
            "https://www.exploreminnesota.com/profile/icehouse/4037"
          ]
        },
        "community_reputation": {
          "value": 2,
          "sources": [
            "https://www.exploreminnesota.com/profile/icehouse/4037"
          ]
        },
        "listening_room": {
          "value": 3,
          "sources": [
            "https://www.exploreminnesota.com/profile/icehouse/4037"
          ]
        }
      },
      "score": 49,
      "tier": "supportive",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.exploreminnesota.com/profile/icehouse/4037"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://www.icehousempls.com/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "4c30609451f98ab4",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: books some creative music but broad commercial booking.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Two-story supper club booking a wide range including adventurous jazz; not free-jazz-dedicated."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial supper club / music venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 3.0,
          "max_value": 5,
          "points": 3.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "snug-harbor-nola",
      "name": "Snug Harbor Jazz Bistro",
      "aliases": [
        "Snug Harbor"
      ],
      "status": "active",
      "location": {
        "address": "626 Frenchmen St",
        "city": "New Orleans",
        "region": "LA",
        "country": "US",
        "neighborhood": "Faubourg Marigny",
        "lat": 29.9637,
        "lon": -90.0575
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 86,
      "website": "https://snugjazz.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "New Orleans' premier modern-jazz club and an incubator for the city's forward-leaning players, but not specifically a free/avant series.",
          "sources": [
            "https://snugjazz.com/about/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Live jazz seven nights a week; genuinely adventurous/improv-forward sets are a portion of a mostly modern-jazz calendar.",
          "sources": [
            "https://snugjazz.com/"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Books modern-jazz artists (Marsalis family, Charmaine Neville and others) whose sets feature complex improvisation.",
          "sources": [
            "https://snugjazz.com/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Describes itself as a modern jazz, blues and R&B listening bistro.",
          "sources": [
            "https://snugjazz.com/about/"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial jazz club and restaurant.",
          "sources": [
            "https://snugjazz.com/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Widely regarded as the city's serious modern-jazz room, positioned against tourist-oriented venues.",
          "sources": [
            "https://grokipedia.com/page/snug_harbor_jazz_club"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "A strict listening room - no photography, filming or loud talking during sets, dedicated music room.",
          "sources": [
            "https://www.tripadvisor.com/Attraction_Review-g60864-d107257-Reviews-Snug_Harbor_Jazz_Bistro-New_Orleans_Louisiana.html"
          ]
        }
      },
      "score": 49,
      "tier": "supportive",
      "confidence": 0.62,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://snugjazz.com/",
          "https://snugjazz.com/about/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "40ed84a00e11a5d5",
        "crawl_http_status": 403
      },
      "notes": "Frenchmen St modern-jazz listening room; committed to serious improvised jazz but predominantly straight-modern rather than free/avant, so supportive.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "New Orleans' premier modern-jazz club and an incubator for the city's forward-leaning players, but not specifically a free/avant series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Live jazz seven nights a week; genuinely adventurous/improv-forward sets are a portion of a mostly modern-jazz calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Books modern-jazz artists (Marsalis family, Charmaine Neville and others) whose sets feature complex improvisation."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Describes itself as a modern jazz, blues and R&B listening bistro."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial jazz club and restaurant."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Widely regarded as the city's serious modern-jazz room, positioned against tourist-oriented venues."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "A strict listening room - no photography, filming or loud talking during sets, dedicated music room."
        }
      ]
    },
    {
      "id": "passos-manuel-porto",
      "name": "Passos Manuel",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "Rua de Passos Manuel 137",
        "city": "Porto",
        "region": "Porto",
        "country": "PT",
        "lat": 41.1472,
        "lon": -8.6062
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 200,
      "website": "https://www.passosmanuel.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Former cinema turned bar/club and performance space; hosts some experimental and jazz programming among a broad concert/club offering.",
          "sources": [
            "https://ra.co/clubs/12890",
            "https://www.songkick.com/venues/126585-passos-manuel"
          ]
        },
        "show_frequency": {
          "value": 3,
          "evidence": "Regular concerts and club nights.",
          "sources": [
            "https://www.bandsintown.com/v/10167561-passos-manuel"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Mixed program; experimental and jazz acts appear but are not the core.",
          "sources": [
            "https://ra.co/clubs/12890"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as a cultural bar/club and concert space rather than a dedicated experimental venue.",
          "sources": [
            "https://www.portugal.com/activities-experiences/5-best-live-music-clubs-in-porto/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial venue.",
          "sources": [
            "https://ra.co/clubs/12890"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Recognized part of Porto's Rua Passos Manuel cultural hub.",
          "sources": [
            "https://www.portugal.com/activities-experiences/5-best-live-music-clubs-in-porto/"
          ]
        },
        "listening_room": {
          "value": 2,
          "sources": [
            "https://ra.co/clubs/12890"
          ]
        }
      },
      "score": 48,
      "tier": "supportive",
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://ra.co/clubs/12890",
          "https://www.portugal.com/activities-experiences/5-best-live-music-clubs-in-porto/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "unreachable",
          "detail": "URLError: <urlopen error [Errno 8] nodename nor servname provided, or not known>"
        },
        "last_crawled": "2026-08-17",
        "last_crawl_error": "HTTPSConnectionPool(host='www.passosmanuel.com', port=443): Max retries exceeded with url: / (Caused by NameResolutionError(\"HTTPSConnection(host='www.passosmanuel.com', port=443): Failed to resolve '"
      },
      "notes": "Porto former-cinema club with a broad program; experimental/jazz content is occasional, so free-improv weight is uncertain.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Former cinema turned bar/club and performance space; hosts some experimental and jazz programming among a broad concert/club offering."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Regular concerts and club nights."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Mixed program; experimental and jazz acts appear but are not the core."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as a cultural bar/club and concert space rather than a dedicated experimental venue."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Recognized part of Porto's Rua Passos Manuel cultural hub."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "crosstown-arts",
      "name": "Crosstown Arts",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Memphis",
        "region": "TN",
        "country": "US",
        "neighborhood": "Crosstown Concourse",
        "lat": 35.1537,
        "lon": -89.9925
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": 417,
      "website": "https://crosstownarts.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Broad contemporary arts center (visual art, residencies, film, music); books some adventurous music but is not free-jazz-dedicated.",
          "sources": [
            "https://crosstownarts.org/",
            "https://wearememphis.com/play/music/venue-profile-the-green-room-at-crosstown-concourse/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "sources": [
            "https://crosstownarts.org/",
            "https://wearememphis.com/play/music/venue-profile-the-green-room-at-crosstown-concourse/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Wide-ranging lineups (Todd Snider, The Bad Plus, Booker T. Jones, Rebirth Brass Band) \u2014 mostly not the free/avant circuit.",
          "sources": [
            "https://crosstownarts.org/",
            "https://wearememphis.com/play/music/venue-profile-the-green-room-at-crosstown-concourse/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Describes itself as a contemporary arts center, not an experimental-music venue.",
          "sources": [
            "https://crosstownarts.org/",
            "https://wearememphis.com/play/music/venue-profile-the-green-room-at-crosstown-concourse/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit arts organization, institutional in scale.",
          "sources": [
            "https://crosstownarts.org/",
            "https://wearememphis.com/play/music/venue-profile-the-green-room-at-crosstown-concourse/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "sources": [
            "https://crosstownarts.org/",
            "https://wearememphis.com/play/music/venue-profile-the-green-room-at-crosstown-concourse/"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "The Green Room is a genuine acoustically-treated listening room without bar distractions.",
          "sources": [
            "https://crosstownarts.org/",
            "https://wearememphis.com/play/music/venue-profile-the-green-room-at-crosstown-concourse/"
          ]
        }
      },
      "score": 47,
      "tier": "supportive",
      "confidence": 0.85,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://crosstownarts.org/",
          "https://wearememphis.com/play/music/venue-profile-the-green-room-at-crosstown-concourse/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "2927c78cf886b2c0",
        "crawl_http_status": 200
      },
      "notes": "ANCHOR: calibrated as MODERATE \u2014 on the list, but a broad arts center, not free-jazz-dedicated.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Broad contemporary arts center (visual art, residencies, film, music); books some adventurous music but is not free-jazz-dedicated."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Wide-ranging lineups (Todd Snider, The Bad Plus, Booker T. Jones, Rebirth Brass Band) \u2014 mostly not the free/avant circuit."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Describes itself as a contemporary arts center, not an experimental-music venue."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit arts organization, institutional in scale."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "The Green Room is a genuine acoustically-treated listening room without bar distractions."
        }
      ]
    },
    {
      "id": "revolver-taipei",
      "name": "Revolver",
      "aliases": [
        "Revolver Taipei"
      ],
      "status": "active",
      "location": {
        "address": "1-2 Roosevelt Rd Sec 1, Zhongzheng District",
        "city": "Taipei",
        "region": "Taipei",
        "country": "TW",
        "neighborhood": "Zhongzheng",
        "lat": 25.033,
        "lon": 121.5185
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 120,
      "website": "https://www.revolver.tw/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Two-storey bar/live venue (est. 2010) mainly for punk/metal/alt-rock; experimental noise appears occasionally within a very broad program.",
          "sources": [
            "https://www.revolver.tw/en/venue",
            "https://taiwanbeats.taicca.tw/en/news/taiwanmusicscene-venue"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Live shows nearly nightly, but free/avant/experimental sets are only an occasional part of the calendar.",
          "sources": [
            "https://www.kiremico.com/blog/best-indie-music-venues-in-taipei-a-guide-to-the-citys-live-music-scene"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Mostly rock/punk/hip-hop with some experimental and noise acts.",
          "sources": [
            "https://ra.co/events/2015230"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "A seven-nights-a-week haven for independent, forward-thinking music \"from rock to experimental and everything in between.\"",
          "sources": [
            "https://taiwanbeats.taicca.tw/en/news/taiwanmusicscene-venue"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial bar/live venue.",
          "sources": [
            "https://taiwanbeats.taicca.tw/en/news/taiwanmusicscene-venue"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "An incubator for Taipei's underground/new-sound scene.",
          "sources": [
            "https://taiwanbeats.taicca.tw/en/news/taiwanmusicscene-venue"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Bar-and-stage hybrid rather than a dedicated listening room.",
          "sources": [
            "https://www.revolver.tw/en/venue"
          ]
        }
      },
      "score": 46,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.revolver.tw/en/venue",
          "https://taiwanbeats.taicca.tw/en/news/taiwanmusicscene-venue",
          "https://ra.co/events/2015230"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "20c920fede44409b",
        "crawl_http_status": 200
      },
      "notes": "Taipei bar/live venue (est. 2010); primarily punk/rock but a recurring host for experimental and noise nights. Free/avant is occasional, not the core.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Two-storey bar/live venue (est. 2010) mainly for punk/metal/alt-rock; experimental noise appears occasionally within a very broad program."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Live shows nearly nightly, but free/avant/experimental sets are only an occasional part of the calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Mostly rock/punk/hip-hop with some experimental and noise acts."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "A seven-nights-a-week haven for independent, forward-thinking music \"from rock to experimental and everything in between.\""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial bar/live venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "An incubator for Taipei's underground/new-sound scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Bar-and-stage hybrid rather than a dedicated listening room."
        }
      ]
    },
    {
      "id": "sidneys-saloon-nola",
      "name": "Sidney's Saloon",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "1200 St Bernard Ave",
        "city": "New Orleans",
        "region": "LA",
        "country": "US",
        "neighborhood": "Treme / 7th Ward",
        "lat": 29.9709,
        "lon": -90.064
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://www.facebook.com/sidneys.saloon.nola/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Neighborhood bar near the French Quarter that hosts adventurous local music nights, including improvised and experimental sets, but not a single named series I could verify.",
          "sources": [
            "https://www.frenchquarter.com/nola/sidneys-saloon/16413/",
            "https://www.reverbnation.com/venue/1374677"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Regular live-music and performance nights; frequency of specifically improvised programming unclear.",
          "sources": [
            "https://www.gigtown.com/venues/sidneys-saloon-new-orleans"
          ]
        },
        "artist_roster": {
          "value": 3,
          "evidence": "Draws from the Treme/7th Ward creative-music community; venue for grassroots local players.",
          "sources": [
            "https://www.neworleans.com/listing/sidneys-saloon/33754/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as a low-key neighborhood live-music bar.",
          "sources": [
            "https://www.frenchquarter.com/nola/sidneys-saloon/16413/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent neighborhood bar.",
          "sources": [
            "https://www.neworleans.com/listing/sidneys-saloon/33754/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Known locally as an off-the-beaten-path spot for grassroots music.",
          "sources": [
            "https://www.tripadvisor.com/Attraction_Review-g60864-d10209125-Reviews-Sidney_s_Saloon-New_Orleans_Louisiana.html"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Casual bar setting.",
          "sources": [
            "https://www.frenchquarter.com/nola/sidneys-saloon/16413/"
          ]
        }
      },
      "score": 46,
      "tier": "supportive",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.frenchquarter.com/nola/sidneys-saloon/16413/",
          "https://www.neworleans.com/listing/sidneys-saloon/33754/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "blocked",
          "http": 400,
          "detail": "HTTP 400"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "17079538556bae15",
        "crawl_http_status": 200
      },
      "notes": "Treme/7th Ward neighborhood bar in the New Orleans grassroots-music orbit. Extent of dedicated improvised/experimental programming not fully verified.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Neighborhood bar near the French Quarter that hosts adventurous local music nights, including improvised and experimental sets, but not a single named series I could verify."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Regular live-music and performance nights; frequency of specifically improvised programming unclear."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": "Draws from the Treme/7th Ward creative-music community; venue for grassroots local players."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as a low-key neighborhood live-music bar."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent neighborhood bar."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Known locally as an off-the-beaten-path spot for grassroots music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Casual bar setting."
        }
      ]
    },
    {
      "id": "the-fruit-durham",
      "name": "The Fruit",
      "aliases": [
        "Durham Fruit and Produce Company"
      ],
      "status": "active",
      "location": {
        "address": "305 S Dillard St",
        "city": "Durham",
        "region": "NC",
        "country": "US",
        "neighborhood": "Downtown / East Durham",
        "lat": 35.9922,
        "lon": -78.8955
      },
      "type": "arts_center",
      "operating_model": "artist_run",
      "capacity": null,
      "website": "https://www.durhamfruit.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "An arts warehouse and hub for experimental artists; music is one strand within dance, theater, film and visual art.",
          "sources": [
            "https://www.durhamfruit.com/about.html",
            "https://arts.duke.edu/places/the-fruit/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Hosts live and electronic music and interdisciplinary events, but not a dedicated improv series.",
          "sources": [
            "https://www.durhamfruit.com/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Supports alternative/local/emerging artists across genres; experimental and jazz appear among many event types.",
          "sources": [
            "https://www.discoverdurham.com/blog/music-lovers-guide-to-durham/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as an arts warehouse and hub for experimental artists supporting experimentation.",
          "sources": [
            "https://www.durhamfruit.com/about.html"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Artist-run 22,000 sq ft warehouse with residencies, galleries, and a black-box theater.",
          "sources": [
            "https://www.durhamfruit.com/about.html"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Award-winning Durham arts space, voted the city's \"Best Kept Secret.\"",
          "sources": [
            "https://www.discoverdurham.com/blog/music-lovers-guide-to-durham/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Multi-use warehouse with a full bar; not a dedicated listening room.",
          "sources": [
            "https://www.durhamfruit.com/space-1"
          ]
        }
      },
      "score": 46,
      "tier": "supportive",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.durhamfruit.com/about.html",
          "https://arts.duke.edu/places/the-fruit/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "b6705cec866cab43",
        "crawl_http_status": 200
      },
      "notes": "Broad artist-run arts warehouse in Durham that supports experimental artists across disciplines; improvised music is present but secondary to the wider program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "An arts warehouse and hub for experimental artists; music is one strand within dance, theater, film and visual art."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Hosts live and electronic music and interdisciplinary events, but not a dedicated improv series."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Supports alternative/local/emerging artists across genres; experimental and jazz appear among many event types."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as an arts warehouse and hub for experimental artists supporting experimentation."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Artist-run 22,000 sq ft warehouse with residencies, galleries, and a black-box theater."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Award-winning Durham arts space, voted the city's \"Best Kept Secret.\""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Multi-use warehouse with a full bar; not a dedicated listening room."
        }
      ]
    },
    {
      "id": "b-flat-berlin",
      "name": "b-flat",
      "aliases": [
        "b-flat Acoustic Music & Jazzclub"
      ],
      "status": "active",
      "location": {
        "address": "Dircksenstr. 40",
        "city": "Berlin",
        "region": "Berlin",
        "country": "DE",
        "neighborhood": "Mitte",
        "lat": 52.5243,
        "lon": 13.4041
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 120,
      "website": "https://b-flat-berlin.de/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Broad acoustic-music and jazz club (jazz, soul, swing, bebop, funk); free and experimental jazz appears but is not the venue's focus.",
          "sources": [
            "https://en.wikipedia.org/wiki/B-flat_(jazz_club)",
            "https://b-flat-berlin.de/programm"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Open nightly, but adventurous/free-jazz programming is occasional within a wide-ranging jazz calendar.",
          "sources": [
            "https://b-flat-berlin.de/programm"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Mostly mainstream and modern jazz; some free-jazz figures such as Aki Takase and Alexander von Schlippenbach have played.",
          "sources": [
            "https://en.wikipedia.org/wiki/B-flat_(jazz_club)"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as an acoustic-music and jazz club spanning many styles.",
          "sources": [
            "https://b-flat-berlin.de/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial club launched 1995.",
          "sources": [
            "https://en.wikipedia.org/wiki/B-flat_(jazz_club)"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Long-established fixture of the Berlin jazz scene.",
          "sources": [
            "https://www.visitberlin.de/en/b-flat-acoustic-music-jazz-club"
          ]
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated acoustic-music listening club.",
          "sources": [
            "https://www.visitberlin.de/en/b-flat-acoustic-music-jazz-club"
          ]
        }
      },
      "score": 46,
      "tier": "supportive",
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://b-flat-berlin.de/",
          "https://en.wikipedia.org/wiki/B-flat_(jazz_club)"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "767d79fa4fa0cd6b",
        "crawl_http_status": 200
      },
      "notes": "Mainstream Berlin jazz club that programs free/experimental jazz occasionally; supportive rather than dedicated.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Broad acoustic-music and jazz club (jazz, soul, swing, bebop, funk); free and experimental jazz appears but is not the venue's focus."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Open nightly, but adventurous/free-jazz programming is occasional within a wide-ranging jazz calendar."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Mostly mainstream and modern jazz; some free-jazz figures such as Aki Takase and Alexander von Schlippenbach have played."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as an acoustic-music and jazz club spanning many styles."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial club launched 1995."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Long-established fixture of the Berlin jazz scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated acoustic-music listening club."
        }
      ]
    },
    {
      "id": "empty-bottle-chicago",
      "name": "Empty Bottle",
      "aliases": [],
      "status": "active",
      "location": {
        "address": "1035 N Western Ave",
        "city": "Chicago",
        "region": "IL",
        "country": "US",
        "neighborhood": "Ukrainian Village",
        "lat": 41.9003,
        "lon": -87.687
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 400,
      "website": "https://emptybottle.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Home of the landmark Empty Bottle Jazz & Improvised Music Series (curated by John Corbett and Ken Vandermark, 1996-2005), which helped make Chicago a center for experimental jazz; that weekly series has ended, though the venue still presents occasional improvised/experimental shows.",
          "sources": [
            "https://corbettvsdempsey.com/records/the-bottle-tapes/",
            "https://www.jazztimes.com/features/profiles/anything-but-empty-at-the-empty-bottle/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Primarily an indie/rock room today; improvised/experimental bookings are occasional.",
          "sources": [
            "https://www.wbez.org/music/2025/10/31/empty-bottle-33-1-3-birthday-chicago-live-music"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Historically presented ~100 international improvisers; current roster is mostly indie/rock with intermittent creative-music dates.",
          "sources": [
            "https://corbettvsdempsey.com/records/the-bottle-tapes/"
          ]
        },
        "self_description": {
          "value": 2,
          "sources": [
            "https://www.wbez.org/music/2025/10/31/empty-bottle-33-1-3-birthday-chicago-live-music"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Long-running independent commercial music venue.",
          "sources": [
            "https://www.wbez.org/music/2025/10/31/empty-bottle-33-1-3-birthday-chicago-live-music"
          ]
        },
        "community_reputation": {
          "value": 4,
          "evidence": "Its 1996-2005 jazz series is internationally celebrated as a landmark in creative music.",
          "sources": [
            "https://corbettvsdempsey.com/records/the-bottle-tapes/"
          ]
        },
        "listening_room": {
          "value": 2,
          "sources": [
            "https://www.wbez.org/music/2025/10/31/empty-bottle-33-1-3-birthday-chicago-live-music"
          ]
        }
      },
      "score": 45,
      "tier": "supportive",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://corbettvsdempsey.com/records/the-bottle-tapes/",
          "https://www.wbez.org/music/2025/10/31/empty-bottle-33-1-3-birthday-chicago-live-music"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://www.emptybottle.com/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "3bca3ecc7b72ef55",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: historically central to Chicago improv via its 1996-2005 jazz series; today mostly indie/rock. Confirm current cadence of any improvised bookings.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Home of the landmark Empty Bottle Jazz & Improvised Music Series (curated by John Corbett and Ken Vandermark, 1996-2005), which helped make Chicago a center for experimental jazz; that weekly series has ended, though the venue still presents occasional improvised/experimental shows."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Primarily an indie/rock room today; improvised/experimental bookings are occasional."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Historically presented ~100 international improvisers; current roster is mostly indie/rock with intermittent creative-music dates."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Long-running independent commercial music venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 4.0,
          "max_value": 5,
          "points": 6.4,
          "max_points": 8,
          "evidence": "Its 1996-2005 jazz series is internationally celebrated as a landmark in creative music."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "yuyintang-shanghai",
      "name": "Yuyintang",
      "aliases": [
        "\u80b2\u97f3\u5802",
        "YYT",
        "Yuyintang Park"
      ],
      "status": "active",
      "location": {
        "address": "Changning District",
        "city": "Shanghai",
        "region": "Shanghai",
        "country": "CN",
        "neighborhood": "Changning",
        "lat": 31.2205,
        "lon": 121.4195
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 300,
      "website": "https://www.smartshanghai.com/venue/15069/yuyintang_park",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 2,
          "evidence": "Shanghai's oldest underground live house (est. 2004), rock/punk-focused but a host for experimental and improvised nights (e.g. NoiShanghai).",
          "sources": [
            "https://www.smartshanghai.com/venue/2002/Yuyintang_shanghai",
            "https://archive.org/details/noishanghai_vi"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Gigs most weekends; improvised/experimental events are occasional within a rock-led program.",
          "sources": [
            "https://www.smartshanghai.com/venue/2002/Yuyintang_shanghai"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Mostly indie/rock/punk with some experimental and noise acts.",
          "sources": [
            "https://archive.org/details/noishanghai_vi"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents as a grassroots underground live house for Shanghai/Chinese rock, open to experimental acts.",
          "sources": [
            "https://www.smartshanghai.com/venue/2002/Yuyintang_shanghai"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial live house (now runs multiple rooms).",
          "sources": [
            "https://www.smartshanghai.com/venue/15069/yuyintang_park"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "A long-standing staple of Shanghai's underground music scene.",
          "sources": [
            "https://www.smartshanghai.com/venue/2002/Yuyintang_shanghai"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "Loud rock live house rather than an attentive listening room.",
          "sources": [
            "https://www.smartshanghai.com/venue/2002/Yuyintang_shanghai"
          ]
        }
      },
      "score": 44,
      "tier": "occasional",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.smartshanghai.com/venue/2002/Yuyintang_shanghai",
          "https://www.smartshanghai.com/venue/15069/yuyintang_park",
          "https://archive.org/details/noishanghai_vi"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "1fcc41af1f4fa2ed",
        "crawl_http_status": 200
      },
      "notes": "Shanghai's oldest underground live house (est. 2004); rock-led but hosts occasional experimental/improv/noise events. Free/avant is secondary to the main program.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 2.0,
          "max_value": 5,
          "points": 10.0,
          "max_points": 25,
          "evidence": "Shanghai's oldest underground live house (est. 2004), rock/punk-focused but a host for experimental and improvised nights (e.g. NoiShanghai)."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Gigs most weekends; improvised/experimental events are occasional within a rock-led program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Mostly indie/rock/punk with some experimental and noise acts."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents as a grassroots underground live house for Shanghai/Chinese rock, open to experimental acts."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial live house (now runs multiple rooms)."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "A long-standing staple of Shanghai's underground music scene."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "Loud rock live house rather than an attentive listening room."
        }
      ]
    },
    {
      "id": "dazzle",
      "name": "Dazzle",
      "aliases": [],
      "status": "active",
      "location": {
        "city": "Denver",
        "region": "CO",
        "country": "US",
        "lat": 39.742,
        "lon": -104.987
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://dazzledenver.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 1,
          "evidence": "Prominent Denver jazz club; mostly mainstream/straight-ahead with occasional adventurous booking."
        },
        "show_frequency": {
          "value": 3
        },
        "artist_roster": {
          "value": 2
        },
        "self_description": {
          "value": 2
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercial jazz club/restaurant."
        },
        "community_reputation": {
          "value": 2
        },
        "listening_room": {
          "value": 4,
          "evidence": "Seated club listening environment."
        }
      },
      "score": 41,
      "tier": "occasional",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://www.dazzledenver.com/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "6d61805a55e1252f",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: included for Rocky Mountain coverage; leans mainstream jazz \u2014 low free/avant commitment.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 1.0,
          "max_value": 5,
          "points": 5.0,
          "max_points": 25,
          "evidence": "Prominent Denver jazz club; mostly mainstream/straight-ahead with occasional adventurous booking."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 3.0,
          "max_value": 5,
          "points": 12.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": ""
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercial jazz club/restaurant."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 4.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 5,
          "evidence": "Seated club listening environment."
        }
      ]
    },
    {
      "id": "kessler-theater-dallas",
      "name": "The Kessler Theater",
      "aliases": [
        "The Kessler"
      ],
      "status": "active",
      "location": {
        "address": "1230 W Davis St",
        "city": "Dallas",
        "region": "TX",
        "country": "US",
        "neighborhood": "Oak Cliff",
        "lat": 32.7458,
        "lon": -96.8342
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 577,
      "website": "https://thekessler.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 1,
          "evidence": "A restored 1942 theater booking a wide range of touring and local acts; adventurous/creative music appears occasionally but there is no dedicated free/improv series.",
          "sources": [
            "https://thekessler.org/",
            "https://www.dallasobserver.com/location/the-kessler-theater-6445181/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Frequent concerts across many genres, of which improv/avant programming is a small share.",
          "sources": [
            "https://thekessler.org/calendar/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Books music stars and up-and-coming locals broadly; a minority of bookings are creative/experimental.",
          "sources": [
            "https://thekessler.org/press/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Positions itself as an intimate listening-focused concert destination, not an experimental space.",
          "sources": [
            "https://thekessler.org/"
          ]
        },
        "operating_model": {
          "value": 2,
          "evidence": "Commercially owned/operated concert theater.",
          "sources": [
            "https://www.dallasobserver.com/location/the-kessler-theater-6445181/"
          ]
        },
        "community_reputation": {
          "value": 3,
          "evidence": "Widely called the best listening room in Dallas-Fort Worth since the demise of Caravan of Dreams.",
          "sources": [
            "https://www.dallasobserver.com/location/the-kessler-theater-6445181/"
          ]
        },
        "listening_room": {
          "value": 5,
          "evidence": "Designed as an intimate, acoustically strong seated listening room.",
          "sources": [
            "https://thekessler.org/"
          ]
        }
      },
      "score": 40,
      "tier": "occasional",
      "confidence": 0.58,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://thekessler.org/",
          "https://www.dallasobserver.com/location/the-kessler-theater-6445181/"
        ],
        "needs_human_review": false,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "40ed84a00e11a5d5",
        "crawl_http_status": 403
      },
      "notes": "Oak Cliff's premier listening room; a broad-genre concert theater that hosts adventurous music occasionally rather than as a mission.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 1.0,
          "max_value": 5,
          "points": 5.0,
          "max_points": 25,
          "evidence": "A restored 1942 theater booking a wide range of touring and local acts; adventurous/creative music appears occasionally but there is no dedicated free/improv series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Frequent concerts across many genres, of which improv/avant programming is a small share."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Books music stars and up-and-coming locals broadly; a minority of bookings are creative/experimental."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Positions itself as an intimate listening-focused concert destination, not an experimental space."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 2.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 10,
          "evidence": "Commercially owned/operated concert theater."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 3.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 8,
          "evidence": "Widely called the best listening room in Dallas-Fort Worth since the demise of Caravan of Dreams."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 5,
          "max_value": 5,
          "points": 5.0,
          "max_points": 5,
          "evidence": "Designed as an intimate, acoustically strong seated listening room."
        }
      ]
    },
    {
      "id": "contemporary-arts-center-cincinnati",
      "name": "Contemporary Arts Center",
      "aliases": [
        "CAC Cincinnati"
      ],
      "status": "active",
      "location": {
        "address": "44 E 6th St",
        "city": "Cincinnati",
        "region": "OH",
        "country": "US",
        "neighborhood": "Downtown",
        "lat": 39.101,
        "lon": -84.5115
      },
      "type": "arts_center",
      "operating_model": "nonprofit",
      "capacity": null,
      "website": "https://www.contemporaryartscenter.org/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 1,
          "evidence": "Non-collecting contemporary art museum focused on painting, sculpture, photography, performance and new media; presents performance and occasional experimental music/sound events but has no standing improv series.",
          "sources": [
            "https://www.contemporaryartscenter.org/",
            "https://www.e-flux.com/directory/1485/contemporary-arts-center"
          ]
        },
        "show_frequency": {
          "value": 1,
          "sources": [
            "https://www.contemporaryartscenter.org/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "sources": [
            "https://www.contemporaryartscenter.org/"
          ]
        },
        "self_description": {
          "value": 3,
          "evidence": "Describes itself as a contemporary arts center including performance and new media.",
          "sources": [
            "https://www.visitcincy.com/things-to-do/arts-culture/museums/contemporary-arts-center/"
          ]
        },
        "operating_model": {
          "value": 4,
          "evidence": "Nonprofit non-collecting contemporary arts institution.",
          "sources": [
            "https://www.contemporaryartscenter.org/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "sources": [
            "https://www.e-flux.com/directory/1485/contemporary-arts-center"
          ]
        },
        "listening_room": {
          "value": 2,
          "sources": [
            "https://www.contemporaryartscenter.org/"
          ]
        }
      },
      "score": 37,
      "tier": "occasional",
      "confidence": 0.45,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.contemporaryartscenter.org/",
          "https://www.e-flux.com/directory/1485/contemporary-arts-center"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "fb3fde91c8bb7f54",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: Cincinnati's flagship contemporary art museum presents performance/new media and occasional experimental sound, but improvised music is incidental. Cincinnati's stronger experimental thread runs through the pop-up Talk Low festival (Whited Sepulchre Records) rather than a fixed venue.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 1.0,
          "max_value": 5,
          "points": 5.0,
          "max_points": 25,
          "evidence": "Non-collecting contemporary art museum focused on painting, sculpture, photography, performance and new media; presents performance and occasional experimental music/sound events but has no standing improv series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 1.0,
          "max_value": 5,
          "points": 4.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": ""
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 3.0,
          "max_value": 5,
          "points": 7.2,
          "max_points": 12,
          "evidence": "Describes itself as a contemporary arts center including performance and new media."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 4.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 10,
          "evidence": "Nonprofit non-collecting contemporary arts institution."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": ""
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": ""
        }
      ]
    },
    {
      "id": "end-of-all-music-jxn",
      "name": "The End of All Music JXN",
      "aliases": [
        "End of All Music Jackson"
      ],
      "status": "active",
      "location": {
        "address": "3011 N State St",
        "city": "Jackson",
        "region": "MS",
        "country": "US",
        "neighborhood": "Fondren",
        "lat": 32.3351,
        "lon": -90.1741
      },
      "type": "record_store",
      "operating_model": "commercial",
      "capacity": null,
      "website": "https://www.theendofallmusicjxn.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 1,
          "evidence": "Independent record store (sister to the Oxford original) that regularly hosts live in-store performances, though not a dedicated experimental/improv series.",
          "sources": [
            "https://www.theendofallmusicjxn.com/",
            "https://www.visitjackson.com/directory/the-end-of-all-music-jxn/"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Hosts recurring in-store performances by local and touring artists.",
          "sources": [
            "https://www.visitjackson.com/directory/the-end-of-all-music-jxn/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "In-stores feature local talent and touring artists across genres; deep jazz and reissue stock, but experimental billing is incidental.",
          "sources": [
            "https://www.theendofallmusicjxn.com/"
          ]
        },
        "self_description": {
          "value": 2,
          "evidence": "Presents itself as an independent vinyl shop and community hub, not specifically an experimental venue.",
          "sources": [
            "https://www.visitmississippi.org/things-to-do/music/the-end-of-all-music-jxn/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial record store.",
          "sources": [
            "https://theendofallmusic.com/locations/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Well-regarded Fondren record store and a hub for Jackson's music community.",
          "sources": [
            "https://www.visitjackson.com/directory/the-end-of-all-music-jxn/"
          ]
        },
        "listening_room": {
          "value": 2,
          "evidence": "In-store performance area rather than a seated listening room.",
          "sources": [
            "https://www.theendofallmusicjxn.com/"
          ]
        }
      },
      "score": 37,
      "tier": "occasional",
      "confidence": 0.42,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "https://www.theendofallmusicjxn.com/",
          "https://www.visitjackson.com/directory/the-end-of-all-music-jxn/"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "56d829c1ad0dc16d",
        "crawl_http_status": 200
      },
      "notes": "Fondren-district independent record store with recurring in-store performances; included as Mississippi's most plausible improv-adjacent host, but experimental programming is incidental and unverified.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 1.0,
          "max_value": 5,
          "points": 5.0,
          "max_points": 25,
          "evidence": "Independent record store (sister to the Oxford original) that regularly hosts live in-store performances, though not a dedicated experimental/improv series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Hosts recurring in-store performances by local and touring artists."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "In-stores feature local talent and touring artists across genres; deep jazz and reissue stock, but experimental billing is incidental."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 2.0,
          "max_value": 5,
          "points": 4.8,
          "max_points": 12,
          "evidence": "Presents itself as an independent vinyl shop and community hub, not specifically an experimental venue."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial record store."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Well-regarded Fondren record store and a hub for Jackson's music community."
        },
        {
          "key": "listening_room",
          "label": "Listening-room intent",
          "value": 2.0,
          "max_value": 5,
          "points": 2.0,
          "max_points": 5,
          "evidence": "In-store performance area rather than a seated listening room."
        }
      ]
    },
    {
      "id": "servant-jazz-quarters-london",
      "name": "Servant Jazz Quarters",
      "aliases": [
        "SJQ"
      ],
      "status": "active",
      "location": {
        "address": "10A Bradbury St",
        "city": "London",
        "region": "England",
        "country": "GB",
        "neighborhood": "Dalston",
        "lat": 51.547,
        "lon": -0.0745
      },
      "type": "bar_club",
      "operating_model": "commercial",
      "capacity": 100,
      "website": "http://servantjazzquarters.com/",
      "active_this_year": true,
      "signals": {
        "dedicated_series": {
          "value": 1,
          "evidence": "Boutique music venue and cocktail bar; live music through the week but no dedicated free/improv series.",
          "sources": [
            "http://servantjazzquarters.com/",
            "https://www.timeout.com/london/music/sjq"
          ]
        },
        "show_frequency": {
          "value": 2,
          "evidence": "Frequent live music, but jazz/improv is only part of a broad indie/soul/funk/DJ program.",
          "sources": [
            "https://thenudge.com/london-bars/servant-jazz-quarters/"
          ]
        },
        "artist_roster": {
          "value": 2,
          "evidence": "Mostly rising indie and up-and-coming bands; some jazz and improvised acts.",
          "sources": [
            "https://thenudge.com/london-bars/servant-jazz-quarters/"
          ]
        },
        "self_description": {
          "value": 1,
          "evidence": "Presents itself as a boutique live-music venue and cocktail bar, not an experimental space.",
          "sources": [
            "http://servantjazzquarters.com/"
          ]
        },
        "operating_model": {
          "value": 3,
          "evidence": "Independent commercial bar/venue.",
          "sources": [
            "http://servantjazzquarters.com/"
          ]
        },
        "community_reputation": {
          "value": 2,
          "evidence": "Known Dalston small venue; occasionally hosts improvised/experimental gigs.",
          "sources": [
            "https://www.timeout.com/london/music/sjq"
          ]
        },
        "listening_room": {
          "value": 3,
          "evidence": "Intimate basement stage under exposed beams.",
          "sources": [
            "https://thenudge.com/london-bars/servant-jazz-quarters/"
          ]
        }
      },
      "score": 36,
      "tier": "occasional",
      "confidence": 0.5,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "last_confirmed": "2026-07",
        "source_urls": [
          "http://servantjazzquarters.com/",
          "https://www.timeout.com/london/music/sjq"
        ],
        "needs_human_review": true,
        "link_check": {
          "checked": "2026-08-17",
          "status": "ok",
          "http": 200,
          "final_url": "https://www.sjqdalston.com/"
        },
        "last_crawled": "2026-08-17",
        "last_content_hash": "267c1fde1670f14c",
        "crawl_http_status": 200
      },
      "notes": "NEEDS REVIEW: general Dalston live-music/cocktail venue; free-jazz/improv is incidental. Included as an honest occasional-tier entry.",
      "score_breakdown": [
        {
          "key": "dedicated_series",
          "label": "Dedicated series / mission",
          "value": 1.0,
          "max_value": 5,
          "points": 5.0,
          "max_points": 25,
          "evidence": "Boutique music venue and cocktail bar; live music through the week but no dedicated free/improv series."
        },
        {
          "key": "show_frequency",
          "label": "Frequency of relevant shows",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Frequent live music, but jazz/improv is only part of a broad indie/soul/funk/DJ program."
        },
        {
          "key": "artist_roster",
          "label": "Artist roster",
          "value": 2.0,
          "max_value": 5,
          "points": 8.0,
          "max_points": 20,
          "evidence": "Mostly rising indie and up-and-coming bands; some jazz and improvised acts."
        },
        {
          "key": "self_description",
          "label": "Self-description",
          "value": 1.0,
          "max_value": 5,
          "points": 2.4,
          "max_points": 12,
          "evidence": "Presents itself as a boutique live-music venue and cocktail bar, not an experimental space."
        },
        {
          "key": "operating_model",
          "label": "Operating model",
          "value": 3.0,
          "max_value": 5,
          "points": 6.0,
          "max_points": 10,
          "evidence": "Independent commercial bar/venue."
        },
        {
          "key": "community_reputation",
          "label": "Community reputation",
          "value": 2.0,
          "max_value": 5,
          "points": 3.2,
          "max_points": 8,
          "evidence": "Known Dalston small venue; occasionally hosts improvised/experimental gigs."
        },
        {
          "key": "listening_room",
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            "https://thedailytexan.com/2023/11/15/austins-jazz-map/"
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          ]
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            "https://elephantroom.com/"
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          ]
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          ]
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      },
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          "sources": [
            "https://en.wikipedia.org/wiki/Jack_London_Revue"
          ]
        }
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      },
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          ]
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            "https://en.wikipedia.org/wiki/Arthur's_Tavern"
          ]
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            "https://en.wikipedia.org/wiki/Arthur's_Tavern"
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            "https://arthurstavern.nyc/",
            "https://en.wikipedia.org/wiki/Arthur's_Tavern"
          ]
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        },
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      },
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  "musicians": [
    {
      "id": "adam-linz",
      "name": "Adam Linz",
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        "bass"
      ],
      "roles": [
        "performer"
      ],
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        "region": null,
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      },
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      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
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      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://georgecartwright.bandcamp.com/album/a-tenacious-slew-2",
          "https://georgecartwright.bandcamp.com/album/black-ants-crawling-2",
          "https://georgecartwright.bandcamp.com/album/send-help-2",
          "https://georgecartwright.bandcamp.com/album/the-ghostly-bee-2"
        ],
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              "The Ghostly Bee"
            ],
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          }
        ],
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        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "akira-sakata",
      "name": "Akira Sakata",
      "instruments": [
        "alto saxophone",
        "clarinet"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
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        "region": "Tokyo",
        "country": "JP"
      },
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        "shinjuku-pit-inn-tokyo",
        "ftarri-tokyo"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "alden-ikeda",
      "name": "Alden Ikeda",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
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      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "George Cartwright's GloryLand PonyCat"
      ],
      "labels": [
        "Mahakala Music"
      ],
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          "https://mahakalamusic.com",
          "https://georgecartwright.bandcamp.com/album/a-tenacious-slew-2",
          "https://georgecartwright.bandcamp.com/album/black-ants-crawling-2",
          "https://georgecartwright.bandcamp.com/album/send-help-2"
        ],
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              "A Tenacious Slew",
              "Black Ants Crawling",
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            ],
            "years": "2023\u20132024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "alex-greene",
      "name": "Alex Greene",
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        "piano",
        "keyboards"
      ],
      "roles": [
        "performer"
      ],
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        "country": null
      },
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      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Echo Party"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-lewitt-etudes",
          "https://mahakalamusic.bandcamp.com/album/who-does-not-seek-the-sky"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
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            "release_titles": [
              "The LeWitt Etudes",
              "Who Does Not Seek The Sky?"
            ],
            "years": "2022\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "alexander-von-schlippenbach",
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        "piano"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
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        "region": "Berlin",
        "country": "DE"
      },
      "active_this_year": true,
      "associated_venues": [
        "sowieso-berlin",
        "km28-berlin",
        "ausland-berlin"
      ],
      "collectives": [
        "Globe Unity Orchestra"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
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        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "alvin-fielder",
      "name": "Alvin Fielder",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Dopolarians"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/sunday-morning-sermon"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Sunday Morning Sermon"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "anders-griffen",
      "name": "Anders Griffen",
      "instruments": [
        "drums",
        "trumpet"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
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      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/birdsong",
          "https://mahakalamusic.bandcamp.com/album/broken-unbroken",
          "https://mahakalamusic.bandcamp.com/album/thinking-unthinking",
          "https://musicoffranklowe.bandcamp.com/album/nothing-but-love"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 4,
            "release_titles": [
              "Birdsong",
              "Broken Unbroken",
              "Nothing But Love",
              "Thinking Unthinking"
            ],
            "years": "2020\u20132024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "andrew-broder",
      "name": "Andrew Broder",
      "instruments": [
        "guitar",
        "voice"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://georgecartwright.bandcamp.com/album/send-help-2"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Send Help"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "andrew-cyrille",
      "name": "Andrew Cyrille",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/embracing-the-unknown"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Embracing the Unknown"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "anthony-cox",
      "name": "Anthony Cox",
      "instruments": [
        "bass",
        "cello"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/murmuration"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Murmuration"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "art-baron",
      "name": "Art Baron",
      "instruments": [
        "trombone",
        "didgeridoo"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "art-edmaiston",
      "name": "Art Edmaiston",
      "instruments": [
        "tenor saxophone",
        "soprano saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Echo Party"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/memphis-mandala",
          "https://mahakalamusic.bandcamp.com/album/who-does-not-seek-the-sky"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Memphis Mandala",
              "Who Does Not Seek The Sky?"
            ],
            "years": "2026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "aruan-ortiz",
      "name": "Aruan Ortiz",
      "instruments": [
        "piano"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/prophecy"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Prophecy"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ava-mendoza",
      "name": "Ava Mendoza",
      "instruments": [
        "guitar",
        "voice"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://avamendozamusic.bandcamp.com/album/of-it-but-not-is-it",
          "https://sewelson.bandcamp.com/album/of-it-but-not-is-it"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Of It But Not Is It"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "axel-dorner",
      "name": "Axel D\u00f6rner",
      "instruments": [
        "trumpet"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": "Berlin",
        "region": "Berlin",
        "country": "DE"
      },
      "active_this_year": true,
      "associated_venues": [
        "km28-berlin",
        "sowieso-berlin",
        "ausland-berlin",
        "exploratorium-berlin"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "ayumi-ishito",
      "name": "Ayumi Ishito",
      "instruments": [
        "tenor saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-lewitt-etudes"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The LeWitt Etudes"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "barry-stephenson",
      "name": "Barry Stephenson",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/mellifluous-excursions-vol-1-where-you-been"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Mellifluous Excursions Vol. 1 - Where You Been"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ben-stapp",
      "name": "Ben Stapp",
      "instruments": [
        "tuba"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ben-zucker",
      "name": "Ben Zucker",
      "instruments": [
        "trumpet",
        "percussion",
        "composition"
      ],
      "roles": [
        "performer",
        "curator"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "elastic-arts"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://elasticarts.org/improvised-music-series"
        ],
        "needs_human_review": true,
        "note": "Current co-curator of the Elastic Improvised Music Series."
      }
    },
    {
      "id": "bernard-santacruz",
      "name": "Bernard Santacruz",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://musicoffranklowe.bandcamp.com/album/nothing-but-love"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Nothing But Love"
            ],
            "years": "2020",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "bernice-boom-boom-brooks",
      "name": "Bernice \u201cBoom Boom\u201d Brooks",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://sewelson.bandcamp.com/album/smooth-freejazz"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Smooth FreeJazz"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "bill-huntington",
      "name": "Bill Huntington",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://christopherparkerkellyhurt.bandcamp.com/album/no-tears-suite"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "No Tears Suite"
            ],
            "years": "2020",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "bobby-kapp",
      "name": "Bobby Kapp",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/trichotomy",
          "https://mahakalamusic.bandcamp.com/album/whirlpool"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Trichotomy",
              "Whirlpool"
            ],
            "years": "2023\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "bobby-lavell",
      "name": "Bobby LaVell",
      "instruments": [
        "tenor saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://christopherparkerkellyhurt.bandcamp.com/album/no-tears-suite"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "No Tears Suite"
            ],
            "years": "2020",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "bobby-zankel",
      "name": "Bobby Zankel",
      "instruments": [
        "alto saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/a-change-of-destiny"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Change Of Destiny"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "booker-t-williams",
      "name": "Booker T. Williams",
      "instruments": [
        "alto saxophone",
        "tenor saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Booker T & The Plasmic Bleeds"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/ode-to-bc-ly-and-eye-know-bo-da-prez"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Ode To BC/LY... And Eye Know BO.... da Prez"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "brad-holden",
      "name": "Brad Holden",
      "instruments": [
        "saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Original Mind"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://originalmind.bandcamp.com/album/you-know-when-its-time"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "You Know When It's Time"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "brandon-lopez",
      "name": "Brandon Lopez",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/walkabout"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Walkabout"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "bruce-golden",
      "name": "Bruce Golden",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://georgecartwright.bandcamp.com/album/the-ghostly-bee-2"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Ghostly Bee"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "caylie-davis",
      "name": "Caylie Davis",
      "instruments": [
        "trumpet"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Things Of This Nature"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/things-of-this-nature"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Things Of This Nature"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "chad-anderson",
      "name": "Chad Anderson",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Dopolarians",
        "Ivo Perelman Quartet",
        "Booker T & The Plasmic Bleeds"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/blues-for-alvin-fielder",
          "https://mahakalamusic.bandcamp.com/album/magic-dust",
          "https://mahakalamusic.bandcamp.com/album/mellifluous-excursions-vol-1-where-you-been",
          "https://mahakalamusic.bandcamp.com/album/ode-to-bc-ly-and-eye-know-bo-da-prez"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 4,
            "release_titles": [
              "Blues For Alvin Fielder",
              "Magic Dust",
              "Mellifluous Excursions Vol. 1 - Where You Been",
              "Ode To BC/LY... And Eye Know BO.... da Prez"
            ],
            "years": "2022\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "chad-fowler",
      "name": "Chad Fowler",
      "instruments": [
        "stritch",
        "saxello",
        "saxophone",
        "alto flute",
        "alto saxophone",
        "flute",
        "bass flute",
        "baritone saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Dopolarians",
        "Eri Yamamoto Quadraphonic",
        "Booker T & The Plasmic Bleeds",
        "Sparks Quartet",
        "Echo Party"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://christopherparkerkellyhurt.bandcamp.com/album/no-tears-suite",
          "https://dopolarians.bandcamp.com/album/the-bond",
          "https://eriyamamoto.bandcamp.com/album/fly-with-the-wings",
          "https://fowleranderson.bandcamp.com/album/lacrimosa"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 25,
            "release_titles": [
              "Alien Skin",
              "Birdsong",
              "Blues For Alvin Fielder",
              "Broken Unbroken",
              "Ebb & Flow",
              "Embracing the Unknown",
              "Fly With The Wings",
              "Lacrimosa",
              "Memphis Mandala",
              "Miserere",
              "No Tears Suite",
              "Nothing But Love"
            ],
            "years": "2020\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "charles-waters",
      "name": "Charles Waters",
      "instruments": [
        "alto saxophone",
        "clarinet",
        "flute"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "cheryl-pyle",
      "name": "Cheryl Pyle",
      "instruments": [
        "flute",
        "alto flute"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "chris-ferrari",
      "name": "Chris Ferrari",
      "instruments": [
        "winds"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Things Of This Nature"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/things-of-this-nature"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Things Of This Nature"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "chris-hemmingway",
      "name": "Chris Hemmingway",
      "instruments": [
        "tenor saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/dancing-shadows"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Dancing Shadows"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "christina-baldwin",
      "name": "Christina Baldwin",
      "instruments": [
        "voice",
        "pre-recorded voice"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://georgecartwright.bandcamp.com/album/a-tenacious-slew-2",
          "https://georgecartwright.bandcamp.com/album/send-help-2"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "A Tenacious Slew",
              "Send Help"
            ],
            "years": "2023\u20132024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "christopher-forbes",
      "name": "Christopher Forbes",
      "instruments": [
        "piano"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "christopher-parker",
      "name": "Christopher Parker",
      "instruments": [
        "piano",
        "keyboards",
        "voice"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Dopolarians",
        "Christopher Parker & the Band of Guardian Angels",
        "Ivo Perelman Quartet",
        "Booker T & The Plasmic Bleeds"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://christopherparker.bandcamp.com/album/yeah-yeah",
          "https://christopherparkerkellyhurt.bandcamp.com/album/no-tears-suite",
          "https://dopolarians.bandcamp.com/album/the-bond",
          "https://georgecartwright.bandcamp.com/album/a-tenacious-slew-2"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 14,
            "release_titles": [
              "A Tenacious Slew",
              "Blues For Alvin Fielder",
              "Magic Dust",
              "Miserere",
              "No Tears Suite",
              "Nothing But Love",
              "Notice That There",
              "Ode To BC/LY... And Eye Know BO.... da Prez",
              "Park Hill Saudade",
              "Soul Food",
              "Sunday Morning Sermon",
              "The Bond"
            ],
            "years": "2020\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "claire-daly",
      "name": "Claire Daly",
      "instruments": [
        "baritone saxophone",
        "flute"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "claire-de-brunner",
      "name": "Claire De Brunner",
      "instruments": [
        "bassoon"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "clifford-pee-wee-jackson",
      "name": "Clifford \"Pee Wee\" Jackson",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/memphis-mandala"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Memphis Mandala"
            ],
            "years": "2026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "colin-stetson",
      "name": "Colin Stetson",
      "instruments": [
        "contrabass saxophone",
        "tubax"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "curt-cloninger",
      "name": "Curt Cloninger",
      "instruments": [
        "synthesizer"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/drum-major-instinct"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Drum Major Instinct"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "damon-smith",
      "name": "Damon Smith",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/memphis-mandala"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Memphis Mandala"
            ],
            "years": "2026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "daniel-carter",
      "name": "Daniel Carter",
      "instruments": [
        "saxophone",
        "trumpet",
        "winds",
        "flute",
        "piano",
        "clarinet",
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Christopher Parker & the Band of Guardian Angels"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://christopherparker.bandcamp.com/album/yeah-yeah",
          "https://mahakalamusic.bandcamp.com/album/phosphene",
          "https://mahakalamusic.bandcamp.com/album/playing-retention",
          "https://mahakalamusic.bandcamp.com/album/soul-food"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 5,
            "release_titles": [
              "Convocation",
              "Phosphene",
              "Playing Retention",
              "Soul Food",
              "Yeah, Yeah!"
            ],
            "years": "2021\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "daniel-levin",
      "name": "Daniel Levin",
      "instruments": [
        "cello"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/personal-myths",
          "https://mahakalamusic.bandcamp.com/album/watching-and-listening"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Personal Myths",
              "Watching and Listening"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "dave-burrell",
      "name": "Dave Burrell",
      "instruments": [
        "piano"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/trichotomy"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Trichotomy"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "dave-hofstra",
      "name": "Dave Hofstra",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://sewelson.bandcamp.com/album/smooth-freejazz"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Smooth FreeJazz"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "dave-king",
      "name": "Dave King",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/stick-insect"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Stick Insect"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "dave-liebman",
      "name": "Dave Liebman",
      "instruments": [
        "soprano saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "dave-rempis",
      "name": "Dave Rempis",
      "instruments": [
        "alto saxophone",
        "tenor saxophone",
        "baritone saxophone"
      ],
      "roles": [
        "performer",
        "curator"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "elastic-arts"
      ],
      "collectives": [
        "Elastic Improvised Music Series"
      ],
      "website": null,
      "confidence": 0.78,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://elasticarts.org/improvised-music-series"
        ],
        "needs_human_review": false,
        "note": "Curated the Elastic Improvised Music Series 2002-2023."
      }
    },
    {
      "id": "dave-sewelson",
      "name": "Dave Sewelson",
      "instruments": [
        "baritone saxophone",
        "voice",
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://avamendozamusic.bandcamp.com/album/of-it-but-not-is-it",
          "https://mahakalamusic.bandcamp.com/album/murmuration",
          "https://mahakalamusic.bandcamp.com/album/the-gate",
          "https://sewelson.bandcamp.com/album/more-music-for-a-free-world"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 7,
            "release_titles": [
              "More Music for a Free World",
              "Murmuration",
              "Muscle Memory",
              "Of It But Not Is It",
              "Smooth FreeJazz",
              "The Gate"
            ],
            "years": "2020\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "dave-soldier",
      "name": "Dave Soldier",
      "instruments": [
        "violin",
        "mandolin",
        "5-string banjo"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-lewitt-etudes"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The LeWitt Etudes"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "david-dove",
      "name": "David Dove",
      "instruments": [
        "trombone"
      ],
      "roles": [
        "performer",
        "educator",
        "director"
      ],
      "home_base": {
        "city": "Houston",
        "region": "TX",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "nameless-sound"
      ],
      "collectives": [
        "Nameless Sound"
      ],
      "website": null,
      "confidence": 0.72,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://en.wikipedia.org/wiki/Nameless_Sound"
        ],
        "needs_human_review": false,
        "note": "Founder/director of Nameless Sound."
      }
    },
    {
      "id": "david-murray",
      "name": "David Murray",
      "instruments": [
        "bass clarinet"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "diane-monroe",
      "name": "Diane Monroe",
      "instruments": [
        "violin"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/a-change-of-destiny"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Change Of Destiny"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "dick-studer",
      "name": "Dick Studer",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Original Mind"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://originalmind.bandcamp.com/album/you-know-when-its-time"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "You Know When It's Time"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "douglas-ewart",
      "name": "Douglas Ewart",
      "instruments": [
        "sopranino saxophone",
        "english horn",
        "piccolo",
        "home-made digeridoo"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Dopolarians"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/blues-for-alvin-fielder"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Blues For Alvin Fielder"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "eddie-prevost",
      "name": "Eddie Pr\u00e9vost",
      "instruments": [
        "drums",
        "percussion"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": "London",
        "region": "England",
        "country": "GB"
      },
      "active_this_year": true,
      "associated_venues": [
        "cafe-oto-london"
      ],
      "collectives": [
        "AMM"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "edward-kidd-jordan",
      "name": "Edward \"Kidd\" Jordan",
      "instruments": [
        "tenor saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Dopolarians"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://alvinfieldertribute.bandcamp.com/album/a-tribute-to-alvin-fielder-live-at-vision-festival-xxiv",
          "https://mahakalamusic.bandcamp.com/album/sunday-morning-sermon"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "A Tribute to Alvin Fielder, Live at Vision Festival XXIV",
              "Sunday Morning Sermon"
            ],
            "years": "2020\u20132022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "elliott-sharp",
      "name": "Elliott Sharp",
      "instruments": [
        "electronics",
        "guitar"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/artificial-intelligence",
          "https://ivoperelman.bandcamp.com/album/trifecta"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Artificial Intelligence",
              "Trifecta"
            ],
            "years": "2023\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "elson-nascimento",
      "name": "Elson Nascimento",
      "instruments": [
        "percussion"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/dancing-shadows"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Dancing Shadows"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "eri-yamamoto",
      "name": "Eri Yamamoto",
      "instruments": [
        "piano",
        "voice",
        "melodica"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Eri Yamamoto Quadraphonic",
        "Sparks Quartet"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://eriyamamoto.bandcamp.com/album/colors-of-the-night",
          "https://eriyamamoto.bandcamp.com/album/fly-with-the-wings",
          "https://eriyamamoto.bandcamp.com/album/horizon",
          "https://mahakalamusic.bandcamp.com/album/sparks"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 6,
            "release_titles": [
              "Colors Of The Night",
              "Fly With The Wings",
              "Horizon",
              "Root Causes (featuring Eri Yamamoto and William Parker)",
              "Sparks",
              "Sparks Quartet Live At Vision Festival XXVI"
            ],
            "years": "2022\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "evan-parker",
      "name": "Evan Parker",
      "instruments": [
        "soprano saxophone",
        "tenor saxophone"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "London",
        "region": "England",
        "country": "GB"
      },
      "active_this_year": true,
      "associated_venues": [
        "cafe-oto-london",
        "mopomoso-london",
        "vortex-jazz-club-london"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "fay-victor",
      "name": "Fay Victor",
      "instruments": [
        "voice"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/messa-di-voce"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Messa Di Voce"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "frank-trompeter",
      "name": "Frank Trompeter",
      "instruments": [
        "tenor saxophone",
        "alto saxophone",
        "soprano saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/antifascist-freedom-music"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Antifascist Freedom Music"
            ],
            "years": "2026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "fred-frith",
      "name": "Fred Frith",
      "instruments": [
        "guitar"
      ],
      "roles": [
        "performer",
        "educator"
      ],
      "home_base": {
        "city": "Oakland",
        "region": "CA",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "the-lab",
        "mills-college-ccm-oakland"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "gary-hammon",
      "name": "Gary Hammon",
      "instruments": [
        "tenor saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Booker T & The Plasmic Bleeds"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/ode-to-bc-ly-and-eye-know-bo-da-prez"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Ode To BC/LY... And Eye Know BO.... da Prez"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "george-cartwright",
      "name": "George Cartwright",
      "instruments": [
        "saxophone",
        "alto saxophone",
        "guitar",
        "tenor saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "George Cartwright's GloryLand PonyCat"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://georgecartwright.bandcamp.com/album/a-tenacious-slew-2",
          "https://georgecartwright.bandcamp.com/album/black-ants-crawling-2",
          "https://georgecartwright.bandcamp.com/album/send-help-2",
          "https://mahakalamusic.bandcamp.com/album/miserere"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 7,
            "release_titles": [
              "A Tenacious Slew",
              "Black Ants Crawling",
              "Miserere",
              "Murmuration",
              "Notice That There",
              "Send Help",
              "Stick Insect"
            ],
            "years": "2021\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "gerald-cleaver",
      "name": "Gerald Cleaver",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Christopher Parker & the Band of Guardian Angels"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://christopherparker.bandcamp.com/album/yeah-yeah",
          "https://mahakalamusic.bandcamp.com/album/soul-food"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Soul Food",
              "Yeah, Yeah!"
            ],
            "years": "2021\u20132023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "hamid-drake",
      "name": "Hamid Drake",
      "instruments": [
        "drums",
        "percussion"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://alvinfieldertribute.bandcamp.com/album/a-tribute-to-alvin-fielder-live-at-vision-festival-xxiv"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Tribute to Alvin Fielder, Live at Vision Festival XXIV"
            ],
            "years": "2020",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "hans-tammen",
      "name": "Hans Tammen",
      "instruments": [
        "guitar",
        "electronics"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-lewitt-etudes"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The LeWitt Etudes"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "hilliard-greene",
      "name": "Hilliard Greene",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ikuo-takeuchi",
      "name": "Ikuo Takeuchi",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Eri Yamamoto Quadraphonic"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://eriyamamoto.bandcamp.com/album/colors-of-the-night",
          "https://eriyamamoto.bandcamp.com/album/fly-with-the-wings"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Colors Of The Night",
              "Fly With The Wings"
            ],
            "years": "2023\u20132024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "immanuel-wilkins",
      "name": "Immanuel Wilkins",
      "instruments": [
        "alto saxophone"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "New York",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "solar-myth"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.75,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://www.arsnovaworkshop.org/"
        ],
        "needs_human_review": false,
        "note": "Quartet closing Philly Music Fest at Solar Myth, Oct 2026."
      }
    },
    {
      "id": "ingebrigt-haker-flaten",
      "name": "Ingebrigt H\u00e5ker Flaten",
      "instruments": [
        "double bass"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Austin",
        "region": "TX",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "epistrophy-arts",
        "church-of-the-friendly-ghost-austin",
        "blaa-oslo"
      ],
      "collectives": [
        "The Young Mothers"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "ingrid-laubrock",
      "name": "Ingrid Laubrock",
      "instruments": [
        "saxophone"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Brooklyn",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "roulette-intermedium",
        "the-stone",
        "ibeam-brooklyn"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "ishmael-ali",
      "name": "Ishmael Ali",
      "instruments": [
        "cello",
        "guitar",
        "electronics"
      ],
      "roles": [
        "performer",
        "curator"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "elastic-arts"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.7,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://elasticarts.org/improvised-music-series"
        ],
        "needs_human_review": false,
        "note": "Current co-curator of the Elastic Improvised Music Series."
      }
    },
    {
      "id": "iva-bittova",
      "name": "Iva Bittov\u00e1",
      "instruments": [
        "voice",
        "violin"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/vox-popoli-vox-dei"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Vox Popoli Vox Dei"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ivo-perelman",
      "name": "Ivo Perelman",
      "instruments": [
        "tenor saxophone",
        "saxophone"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "New York",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "ibeam-brooklyn",
        "the-stone"
      ],
      "collectives": [
        "(D)IVO Saxophone Quartet",
        "Ivo Perelman Quartet"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://divo-quartet.bandcamp.com/album/d-ivo",
          "https://ivoperelman.bandcamp.com/album/amalgam",
          "https://ivoperelman.bandcamp.com/album/artificial-intelligence",
          "https://ivoperelman.bandcamp.com/album/embracing-the-unknown"
        ],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web.",
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 15,
            "release_titles": [
              "(D)IVO",
              "Alien Skin",
              "Amalgam",
              "Artificial Intelligence",
              "Elliptic Time",
              "Embracing the Unknown",
              "Magic Dust",
              "Messa Di Voce",
              "Oxygen",
              "Prophecy",
              "Shamanism",
              "The Whisperers"
            ],
            "years": "2020\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "review_note": "Label credits added by catalogue import; existing curation left untouched."
      },
      "labels": [
        "Mahakala Music"
      ]
    },
    {
      "id": "jj-mazza",
      "name": "JJ Mazza",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Things Of This Nature"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/things-of-this-nature"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Things Of This Nature"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jt-bates",
      "name": "JT Bates",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://georgecartwright.bandcamp.com/album/a-tenacious-slew-2"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Tenacious Slew"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jack-desalvo",
      "name": "Jack DeSalvo",
      "instruments": [
        "guitar",
        "banjo",
        "oud"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jaimie-branch",
      "name": "Jaimie Branch",
      "instruments": [
        "trumpet"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Christopher Parker & the Band of Guardian Angels"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://christopherparker.bandcamp.com/album/yeah-yeah",
          "https://mahakalamusic.bandcamp.com/album/soul-food"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Soul Food",
              "Yeah, Yeah!"
            ],
            "years": "2021\u20132023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jaleel-shaw",
      "name": "Jaleel Shaw",
      "instruments": [
        "alto saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/a-change-of-destiny"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Change Of Destiny"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "james-carter",
      "name": "James Carter",
      "instruments": [
        "baritone saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "(D)IVO Saxophone Quartet"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://divo-quartet.bandcamp.com/album/d-ivo",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "(D)IVO",
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "james-emory",
      "name": "James Emory",
      "instruments": [
        "guitar"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/the-whisperers"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Whisperers"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jay-rosen",
      "name": "Jay Rosen",
      "instruments": [
        "percussion",
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Blue Reality Quartet"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://bluerealityquartet.bandcamp.com/album/blue-reality-quartet",
          "https://mahakalamusic.bandcamp.com/album/ellas-island",
          "https://mahakalamusic.bandcamp.com/album/numbq"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 3,
            "release_titles": [
              "Blue Reality Quartet!",
              "Ella's Island",
              "NuMBq"
            ],
            "years": "2021\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jeff-arnal",
      "name": "Jeff Arnal",
      "instruments": [
        "percussion",
        "electronics"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/astral-chronology",
          "https://mahakalamusic.bandcamp.com/album/drum-major-instinct"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Astral Chronology",
              "Drum Major Instinct"
            ],
            "years": "2022\u20132023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jeremy-carlstedt",
      "name": "Jeremy Carlstedt",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jim-clouse",
      "name": "Jim Clouse",
      "instruments": [
        "saxophone",
        "piano",
        "clarinet",
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/playing-retention"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Playing Retention"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jimmy-lyons",
      "name": "Jimmy Lyons",
      "instruments": [
        "saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/inneraction"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Inneraction"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "joe-lovano",
      "name": "Joe Lovano",
      "instruments": [
        "c melody sax",
        "f soprano sax"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "joe-mcphee",
      "name": "Joe McPhee",
      "instruments": [
        "saxophone",
        "trumpet",
        "pocket trumpet",
        "winds",
        "tenor saxophone",
        "percussion"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Poughkeepsie",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "epistrophy-arts",
        "nameless-sound"
      ],
      "collectives": [
        "Blue Reality Quartet"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://www.furious.com/perfect/epistrophyarts.html",
          "https://mahakalamusic.com",
          "https://bluerealityquartet.bandcamp.com/album/blue-reality-quartet",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn",
          "https://mahakalamusic.bandcamp.com/album/ellas-island",
          "https://mahakalamusic.bandcamp.com/album/oxygen"
        ],
        "needs_human_review": true,
        "note": "Free-jazz elder presented by Epistrophy Arts and Nameless Sound.",
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 4,
            "release_titles": [
              "Blue Reality Quartet!",
              "Ella's Island",
              "Oxygen",
              "Reed Rapture in Brooklyn"
            ],
            "years": "2021\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "review_note": "Label credits added by catalogue import; existing curation left untouched."
      },
      "labels": [
        "Mahakala Music"
      ]
    },
    {
      "id": "joe-morris",
      "name": "Joe Morris",
      "instruments": [
        "guitar",
        "double bass",
        "bass"
      ],
      "roles": [
        "performer",
        "educator"
      ],
      "home_base": {
        "city": "New Haven",
        "region": "CT",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "firehouse-12",
        "outpost-186"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/messa-di-voce",
          "https://ivoperelman.bandcamp.com/album/shamanism",
          "https://ivoperelman.bandcamp.com/album/trifecta",
          "https://mahakalamusic.bandcamp.com/album/elliptic-time"
        ],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web.",
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 4,
            "release_titles": [
              "Elliptic Time",
              "Messa Di Voce",
              "Shamanism",
              "Trifecta"
            ],
            "years": "2020\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "review_note": "Label credits added by catalogue import; existing curation left untouched."
      },
      "labels": [
        "Mahakala Music"
      ]
    },
    {
      "id": "joel-futterman",
      "name": "Joel Futterman",
      "instruments": [
        "piano"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://alvinfieldertribute.bandcamp.com/album/a-tribute-to-alvin-fielder-live-at-vision-festival-xxiv",
          "https://mahakalamusic.bandcamp.com/album/ebb-flow",
          "https://mahakalamusic.bandcamp.com/album/inneraction",
          "https://mahakalamusic.bandcamp.com/album/the-deep"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 6,
            "release_titles": [
              "A Tribute to Alvin Fielder, Live at Vision Festival XXIV",
              "Ebb & Flow",
              "Inneraction",
              "The Deep",
              "Timeless Moments",
              "Warp & Weft"
            ],
            "years": "2020\u20132023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "joel-peterson",
      "name": "Joel Peterson",
      "instruments": [
        "bass",
        "guitar"
      ],
      "roles": [
        "performer",
        "organizer"
      ],
      "home_base": {
        "city": "Detroit",
        "region": "MI",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "trinosophes"
      ],
      "collectives": [
        "Trinosophes Projects"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://joelpetersonmusic.com/about"
        ],
        "needs_human_review": true,
        "note": "Co-founder/organizer at Trinosophes."
      }
    },
    {
      "id": "john-butcher",
      "name": "John Butcher",
      "instruments": [
        "saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": "London",
        "region": "England",
        "country": "GB"
      },
      "active_this_year": true,
      "associated_venues": [
        "cafe-oto-london",
        "iklectik-london"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "john-dierker",
      "name": "John Dierker",
      "instruments": [
        "bass clarinet",
        "tenor saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/astral-chronology"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Astral Chronology"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jon-irabagon",
      "name": "Jon Irabagon",
      "instruments": [
        "slide soprano sax",
        "sopranino saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "jose-luis-abreu",
      "name": "Jose Luis Abreu",
      "instruments": [
        "percussion"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "josh-berman",
      "name": "Josh Berman",
      "instruments": [
        "cornet"
      ],
      "roles": [
        "performer",
        "curator"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "the-hungry-brain",
        "elastic-arts"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "josh-granowski",
      "name": "Josh Granowski",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/stick-insect"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Stick Insect"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "joelle-leandre",
      "name": "Jo\u00eblle L\u00e9andre",
      "instruments": [
        "double bass"
      ],
      "roles": [
        "performer",
        "composer"
      ],
      "home_base": {
        "city": "Paris",
        "region": "Ile-de-France",
        "country": "FR"
      },
      "active_this_year": true,
      "associated_venues": [
        "instants-chavires-montreuil",
        "cafe-oto-london"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "juan-p-carletti",
      "name": "Juan P Carletti",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/walkabout"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Walkabout"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "kelley-hurt",
      "name": "Kelley Hurt",
      "instruments": [
        "voice"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Dopolarians",
        "Christopher Parker & the Band of Guardian Angels",
        "Booker T & The Plasmic Bleeds"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://christopherparker.bandcamp.com/album/yeah-yeah",
          "https://christopherparkerkellyhurt.bandcamp.com/album/no-tears-suite",
          "https://dopolarians.bandcamp.com/album/the-bond",
          "https://mahakalamusic.bandcamp.com/album/blues-for-alvin-fielder"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 10,
            "release_titles": [
              "Blues For Alvin Fielder",
              "Miserere",
              "No Tears Suite",
              "Nothing But Love",
              "Notice That There",
              "Ode To BC/LY... And Eye Know BO.... da Prez",
              "Soul Food",
              "Sunday Morning Sermon",
              "The Bond",
              "Yeah, Yeah!"
            ],
            "years": "2020\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ken-filiano",
      "name": "Ken Filiano",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/birdsong",
          "https://mahakalamusic.bandcamp.com/album/the-lewitt-etudes",
          "https://mahakalamusic.bandcamp.com/album/whirlpool"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 3,
            "release_titles": [
              "Birdsong",
              "The LeWitt Etudes",
              "Whirlpool"
            ],
            "years": "2022\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ken-vandermark",
      "name": "Ken Vandermark",
      "instruments": [
        "reeds",
        "clarinet",
        "saxophone",
        "winds"
      ],
      "roles": [
        "performer",
        "bandleader",
        "curator"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "the-hungry-brain",
        "elastic-arts",
        "constellation-chicago",
        "corbett-vs-dempsey"
      ],
      "collectives": [
        "Catalytic Sound"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn",
          "https://mahakalamusic.bandcamp.com/album/oxygen"
        ],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web.",
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Oxygen",
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "review_note": "Label credits added by catalogue import; existing curation left untouched."
      },
      "labels": [
        "Mahakala Music"
      ]
    },
    {
      "id": "kevin-thomas",
      "name": "Kevin Thomas",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Eri Yamamoto Quadraphonic"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://eriyamamoto.bandcamp.com/album/fly-with-the-wings"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Fly With The Wings"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "khari-wynn",
      "name": "Khari Wynn",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Echo Party"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/who-does-not-seek-the-sky"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Who Does Not Seek The Sky?"
            ],
            "years": "2026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "kurt-knuffke",
      "name": "Kurt Knuffke",
      "instruments": [
        "cornet"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-lewitt-etudes"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The LeWitt Etudes"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "larry-ochs",
      "name": "Larry Ochs",
      "instruments": [
        "saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": "Oakland",
        "region": "CA",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "the-lab",
        "center-for-new-music-sf"
      ],
      "collectives": [
        "Rova Saxophone Quartet"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "lee-odom",
      "name": "Lee Odom",
      "instruments": [
        "soprano saxophone",
        "flute"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "lee-smith",
      "name": "Lee Smith",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/a-change-of-destiny"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Change Of Destiny"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "lester-st-louis",
      "name": "Lester St. Louis",
      "instruments": [
        "cello"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/prophecy"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Prophecy"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "lotte-anker",
      "name": "Lotte Anker",
      "instruments": [
        "soprano saxophone",
        "alto saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "luke-stewart",
      "name": "Luke Stewart",
      "instruments": [
        "double bass",
        "bass",
        "electric bass"
      ],
      "roles": [
        "performer",
        "curator"
      ],
      "home_base": {
        "city": "Washington",
        "region": "DC",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "rhizome-dc",
        "capitalbop-dc-jazz-loft",
        "ibeam-brooklyn"
      ],
      "collectives": [
        "Irreversible Entanglements",
        "Booker T & The Plasmic Bleeds"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/miserere",
          "https://mahakalamusic.bandcamp.com/album/ode-to-bc-ly-and-eye-know-bo-da-prez",
          "https://mahakalamusic.bandcamp.com/album/the-lewitt-etudes"
        ],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web.",
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 3,
            "release_titles": [
              "Miserere",
              "Ode To BC/LY... And Eye Know BO.... da Prez",
              "The LeWitt Etudes"
            ],
            "years": "2022\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "review_note": "Label credits added by catalogue import; existing curation left untouched."
      },
      "labels": [
        "Mahakala Music"
      ]
    },
    {
      "id": "marc-franklin",
      "name": "Marc Franklin",
      "instruments": [
        "trumpet"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Dopolarians",
        "Booker T & The Plasmic Bleeds"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://christopherparkerkellyhurt.bandcamp.com/album/no-tears-suite",
          "https://dopolarians.bandcamp.com/album/the-bond",
          "https://mahakalamusic.bandcamp.com/album/blues-for-alvin-fielder",
          "https://mahakalamusic.bandcamp.com/album/ode-to-bc-ly-and-eye-know-bo-da-prez"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 4,
            "release_titles": [
              "Blues For Alvin Fielder",
              "No Tears Suite",
              "Ode To BC/LY... And Eye Know BO.... da Prez",
              "The Bond"
            ],
            "years": "2020\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "marc-ribot",
      "name": "Marc Ribot",
      "instruments": [
        "guitar"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/trifecta"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Trifecta"
            ],
            "years": "2026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "marianne-osiel",
      "name": "Marianne Osiel",
      "instruments": [
        "english horn"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/numbq"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "NuMBq"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "marshall-allen",
      "name": "Marshall Allen",
      "instruments": [
        "alto saxophone",
        "EVI",
        "saxophone",
        "evi"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Philadelphia",
        "region": "PA",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "solar-myth"
      ],
      "collectives": [
        "Sun Ra Arkestra",
        "Ghost Horizons"
      ],
      "website": null,
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://www.arsnovaworkshop.org/",
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/dancing-shadows"
        ],
        "needs_human_review": true,
        "note": "Ghost Horizons at Solar Myth, Feb 2026; centenarian free-jazz elder still active.",
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Dancing Shadows"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "review_note": "Label credits added by catalogue import; existing curation left untouched."
      },
      "labels": [
        "Mahakala Music"
      ]
    },
    {
      "id": "marvin-bugalu-smith",
      "name": "Marvin \"Bugalu\" Smith",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://sewelson.bandcamp.com/album/more-music-for-a-free-world"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "More Music for a Free World"
            ],
            "years": "2020",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "mary-cherney",
      "name": "Mary Cherney",
      "instruments": [
        "flute",
        "bass flute"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "mary-halvorson",
      "name": "Mary Halvorson",
      "instruments": [
        "guitar"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Brooklyn",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "roulette-intermedium",
        "the-stone"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "mat-maneri",
      "name": "Mat Maneri",
      "instruments": [
        "viola"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/personal-myths"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Personal Myths"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "mats-gustafsson",
      "name": "Mats Gustafsson",
      "instruments": [
        "saxophone"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Nickelsdorf",
        "region": "Burgenland",
        "country": "AT"
      },
      "active_this_year": true,
      "associated_venues": [
        "jazzgalerie-nickelsdorf",
        "fylkingen-stockholm",
        "brotz-gothenburg"
      ],
      "collectives": [
        "Catalytic Sound"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "matt-hollenberg",
      "name": "Matt Hollenberg",
      "instruments": [
        "guitar"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/bhakti"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Bhakti"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "matt-lambiase",
      "name": "Matt Lambiase",
      "instruments": [
        "trumpet",
        "flute"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "matt-lavelle",
      "name": "Matt Lavelle",
      "instruments": [
        "alto clarinet",
        "pocket trumpet",
        "bass",
        "e-flat piccolo clarinet"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one",
          "https://mahakalamusic.bandcamp.com/album/whirlpool"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "The Crop Circles Suite Part One",
              "Whirlpool"
            ],
            "years": "2024\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "matthew-shipp",
      "name": "Matthew Shipp",
      "instruments": [
        "piano"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": "New York",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "dissonant-works",
        "the-stone",
        "roulette-intermedium",
        "ibeam-brooklyn"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.8,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://www.stlmag.com/events/pianist-matthew-shipp-to-perform-at-dissonant-works-gallery/",
          "https://mahakalamusic.com",
          "https://eriyamamoto.bandcamp.com/album/horizon",
          "https://ivoperelman.bandcamp.com/album/amalgam",
          "https://ivoperelman.bandcamp.com/album/shamanism",
          "https://mahakalamusic.bandcamp.com/album/alien-skin"
        ],
        "needs_human_review": true,
        "note": "Performed at Dissonant Works, Sept 2025.",
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 6,
            "release_titles": [
              "Alien Skin",
              "Amalgam",
              "Horizon",
              "Muscle Memory",
              "Old Stories",
              "Shamanism"
            ],
            "years": "2020\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "review_note": "Label credits added by catalogue import; existing curation left untouched."
      },
      "labels": [
        "Mahakala Music"
      ]
    },
    {
      "id": "melanie-dyer",
      "name": "Melanie Dyer",
      "instruments": [
        "viola"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/birdsong",
          "https://mahakalamusic.bandcamp.com/album/numbq"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Birdsong",
              "NuMBq"
            ],
            "years": "2024\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "micah-thomas",
      "name": "Micah Thomas",
      "instruments": [
        "piano"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/bhakti"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Bhakti"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "michael-bisio",
      "name": "Michael Bisio",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/vox-popoli-vox-dei",
          "https://mahakalamusic.bandcamp.com/album/numbq"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "NuMBq",
              "Vox Popoli Vox Dei"
            ],
            "years": "2024\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "michael-marcus",
      "name": "Michael Marcus",
      "instruments": [
        "winds",
        "reeds"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Blue Reality Quartet"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://bluerealityquartet.bandcamp.com/album/blue-reality-quartet",
          "https://mahakalamusic.bandcamp.com/album/ellas-island"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Blue Reality Quartet!",
              "Ella's Island"
            ],
            "years": "2021\u20132022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "mike-neer",
      "name": "Mike Neer",
      "instruments": [
        "lap steel guitar"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://sewelson.bandcamp.com/album/smooth-freejazz"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Smooth FreeJazz"
            ],
            "years": "2021",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "mike-reed",
      "name": "Mike Reed",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer",
        "curator"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "constellation-chicago",
        "the-hungry-brain"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "molly-jones",
      "name": "Molly Jones",
      "instruments": [
        "saxophone",
        "flute"
      ],
      "roles": [
        "performer",
        "curator"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "elastic-arts"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.65,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://elasticarts.org/improvised-music-series"
        ],
        "needs_human_review": true,
        "note": "Current co-curator of the Elastic Improvised Music Series."
      }
    },
    {
      "id": "nate-wooley",
      "name": "Nate Wooley",
      "instruments": [
        "trumpet"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Brooklyn",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "roulette-intermedium",
        "ibeam-brooklyn"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "nduduzo-makhathini",
      "name": "Nduduzo Makhathini",
      "instruments": [
        "piano"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "New York",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "solar-myth"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://www.arsnovaworkshop.org/"
        ],
        "needs_human_review": true,
        "note": "Two nights at Solar Myth, July 2026. South African-born; confirm US/home base."
      }
    },
    {
      "id": "nicole-davis",
      "name": "Nicole Davis",
      "instruments": [
        "trumpet"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "nicole-mitchell",
      "name": "Nicole Mitchell",
      "instruments": [
        "flute"
      ],
      "roles": [
        "performer",
        "bandleader",
        "educator"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "experimental-sound-studio",
        "elastic-arts",
        "constellation-chicago"
      ],
      "collectives": [
        "AACM"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "nicoletta-manzini",
      "name": "Nicoletta Manzini",
      "instruments": [
        "alto saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/dancing-shadows"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Dancing Shadows"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "otomo-yoshihide",
      "name": "Otomo Yoshihide",
      "instruments": [
        "guitar",
        "turntables"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Tokyo",
        "region": "Tokyo",
        "country": "JP"
      },
      "active_this_year": true,
      "associated_venues": [
        "ftarri-tokyo"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "paal-nilssen-love",
      "name": "Paal Nilssen-Love",
      "instruments": [
        "drums",
        "percussion"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Oslo",
        "region": "Oslo",
        "country": "NO"
      },
      "active_this_year": true,
      "associated_venues": [
        "blaa-oslo",
        "nasjonal-jazzscene-victoria-oslo"
      ],
      "collectives": [
        "Catalytic Sound"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "pheeroan-aklaff",
      "name": "Pheeroan akLaff",
      "instruments": [
        "drums",
        "percussion"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/a-change-of-destiny"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Change Of Destiny"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ra-kalam-bob-moses",
      "name": "Ra Kalam Bob Moses",
      "instruments": [
        "drums",
        "percussion",
        "gongs"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/memphis-mandala"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Memphis Mandala"
            ],
            "years": "2026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ramon-lopez",
      "name": "Ramon Lopez",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/messa-di-voce"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Messa Di Voce"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ras-moshe",
      "name": "Ras Moshe",
      "instruments": [
        "tenor saxophone",
        "flute",
        "gong"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "rebecca-cherry",
      "name": "Rebecca Cherry",
      "instruments": [
        "violin"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-lewitt-etudes"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The LeWitt Etudes"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "reggie-workman",
      "name": "Reggie Workman",
      "instruments": [
        "bass",
        "percussion"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/embracing-the-unknown"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Embracing the Unknown"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "rent-romus",
      "name": "Rent Romus",
      "instruments": [
        "saxophone"
      ],
      "roles": [
        "performer",
        "curator",
        "producer"
      ],
      "home_base": {
        "city": "Oakland",
        "region": "CA",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "luggage-store-gallery"
      ],
      "collectives": [
        "Outsound Presents"
      ],
      "website": null,
      "confidence": 0.72,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://outsound.org/about/"
        ],
        "needs_human_review": false,
        "note": "Founder of Outsound Presents; curated the Luggage Store new-music series."
      }
    },
    {
      "id": "richard-davis",
      "name": "Richard Davis",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/inneraction"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Inneraction"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "richard-gilman-opalsky",
      "name": "Richard Gilman-Opalsky",
      "instruments": [
        "drums",
        "percussion",
        "wood flutes"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/antifascist-freedom-music"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Antifascist Freedom Music"
            ],
            "years": "2026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "rob-brown",
      "name": "Rob Brown",
      "instruments": [
        "alto saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/walkabout",
          "https://mahakalamusic.bandcamp.com/album/watching-and-listening"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "Walkabout",
              "Watching and Listening"
            ],
            "years": "2021\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "rob-mazurek",
      "name": "Rob Mazurek",
      "instruments": [
        "cornet",
        "electronics"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "elastic-arts",
        "constellation-chicago"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "robert-adkins",
      "name": "Robert Adkins",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/inneraction"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Inneraction"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "robin-eubanks",
      "name": "Robin Eubanks",
      "instruments": [
        "trombone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/a-change-of-destiny"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Change Of Destiny"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "roscoe-mitchell",
      "name": "Roscoe Mitchell",
      "instruments": [
        "bass sax"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "ruth-naomi-floyd",
      "name": "Ruth Naomi Floyd",
      "instruments": [
        "voice"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/a-change-of-destiny"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Change Of Destiny"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "sally-gates",
      "name": "Sally Gates",
      "instruments": [
        "guitar"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/phosphene"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Phosphene"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "sana-nagano",
      "name": "Sana Nagano",
      "instruments": [
        "violin"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/birdsong"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Birdsong"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "shanyse-strickland",
      "name": "Shanyse Strickland",
      "instruments": [
        "french horn",
        "flute",
        "voice"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/birdsong"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Birdsong"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "shogo-yamagishi",
      "name": "Shogo Yamagishi",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Things Of This Nature"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/things-of-this-nature"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Things Of This Nature"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "stephanie-griffin",
      "name": "Stephanie Griffin",
      "instruments": [
        "viola"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Matt Lavelle and the 12 Houses"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-crop-circles-suite-part-one"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The Crop Circles Suite Part One"
            ],
            "years": "2024",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "steve-beresford",
      "name": "Steve Beresford",
      "instruments": [
        "piano",
        "electronics"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": "London",
        "region": "England",
        "country": "GB"
      },
      "active_this_year": true,
      "associated_venues": [
        "cafe-oto-london",
        "mopomoso-london"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "steve-hirsh",
      "name": "Steve Hirsh",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Original Mind",
        "Sparks Quartet",
        "Echo Party"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/alien-skin",
          "https://mahakalamusic.bandcamp.com/album/ebb-flow",
          "https://mahakalamusic.bandcamp.com/album/miserere",
          "https://mahakalamusic.bandcamp.com/album/murmuration"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 16,
            "release_titles": [
              "Alien Skin",
              "Convocation",
              "Ebb & Flow",
              "Miserere",
              "Murmuration",
              "Muscle Memory",
              "Notice That There",
              "Phosphene",
              "Root Causes (featuring Eri Yamamoto and William Parker)",
              "Sparks",
              "Sparks Quartet Live At Vision Festival XXVI",
              "The Deep"
            ],
            "years": "2021\u20132026",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "steve-swell",
      "name": "Steve Swell",
      "instruments": [
        "trombone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://sewelson.bandcamp.com/album/more-music-for-a-free-world",
          "https://sewelson.bandcamp.com/album/muscle-memory"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "More Music for a Free World",
              "Muscle Memory"
            ],
            "years": "2020\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "sumi-tonooka",
      "name": "Sumi Tonooka",
      "instruments": [
        "piano"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/a-change-of-destiny"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "A Change Of Destiny"
            ],
            "years": "2023",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "susie-ibarra",
      "name": "Susie Ibarra",
      "instruments": [
        "drums",
        "percussion"
      ],
      "roles": [
        "performer",
        "composer"
      ],
      "home_base": {
        "city": "New York",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "epistrophy-arts"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.55,
      "provenance": {
        "added_by": "seed:web-research-2026-07",
        "added_on": "2026-07-17",
        "source_urls": [
          "https://www.furious.com/perfect/epistrophyarts.html"
        ],
        "needs_human_review": true,
        "note": "Presented at Epistrophy Arts' early shows; still active. Confirm current base."
      }
    },
    {
      "id": "tetuzi-akiyama",
      "name": "Tetuzi Akiyama",
      "instruments": [
        "guitar"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": "Tokyo",
        "region": "Tokyo",
        "country": "JP"
      },
      "active_this_year": true,
      "associated_venues": [
        "ftarri-tokyo",
        "nanahari-tokyo"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "tim-berne",
      "name": "Tim Berne",
      "instruments": [
        "alto saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "(D)IVO Saxophone Quartet"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://divo-quartet.bandcamp.com/album/d-ivo",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 2,
            "release_titles": [
              "(D)IVO",
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "tom-rainey",
      "name": "Tom Rainey",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": "Brooklyn",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "the-stone",
        "ibeam-brooklyn"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "tomeka-reid",
      "name": "Tomeka Reid",
      "instruments": [
        "cello"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Chicago",
        "region": "IL",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "constellation-chicago",
        "experimental-sound-studio",
        "elastic-arts"
      ],
      "collectives": [
        "AACM"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "tony-malaby",
      "name": "Tony Malaby",
      "instruments": [
        "soprano saxophone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "(D)IVO Saxophone Quartet"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://divo-quartet.bandcamp.com/album/d-ivo"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "(D)IVO"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "toshimaru-nakamura",
      "name": "Toshimaru Nakamura",
      "instruments": [
        "no-input mixing board"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": "Tokyo",
        "region": "Tokyo",
        "country": "JP"
      },
      "active_this_year": true,
      "associated_venues": [
        "ftarri-tokyo",
        "ochiai-soup-tokyo"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web."
      }
    },
    {
      "id": "tyler-mitchell",
      "name": "Tyler Mitchell",
      "instruments": [
        "bass"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/dancing-shadows"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Dancing Shadows"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "tyshawn-sorey",
      "name": "Tyshawn Sorey",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/bhakti"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Bhakti"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "vinny-golia",
      "name": "Vinny Golia",
      "instruments": [
        "reeds",
        "woodwinds",
        "clarinet",
        "basset horn",
        "alto clarinet"
      ],
      "roles": [
        "performer",
        "bandleader"
      ],
      "home_base": {
        "city": "Los Angeles",
        "region": "CA",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "blue-whale-atwater-village",
        "2220-arts-archives",
        "coaxial-arts"
      ],
      "collectives": [],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://ivoperelman.bandcamp.com/album/reed-rapture-in-brooklyn"
        ],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web.",
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Reed Rapture in Brooklyn"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "review_note": "Label credits added by catalogue import; existing curation left untouched."
      },
      "labels": [
        "Mahakala Music"
      ]
    },
    {
      "id": "wc-anderson",
      "name": "WC Anderson",
      "instruments": [
        "percussion"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://fowleranderson.bandcamp.com/album/lacrimosa"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Lacrimosa"
            ],
            "years": "2020",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "warren-smith",
      "name": "Warren Smith",
      "instruments": [
        "percussion",
        "vibraphone"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [
        "Blue Reality Quartet"
      ],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://bluerealityquartet.bandcamp.com/album/blue-reality-quartet",
          "https://mahakalamusic.bandcamp.com/album/ellas-island",
          "https://mahakalamusic.bandcamp.com/album/mellifluous-excursions-vol-1-where-you-been"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 3,
            "release_titles": [
              "Blue Reality Quartet!",
              "Ella's Island",
              "Mellifluous Excursions Vol. 1 - Where You Been"
            ],
            "years": "2021\u20132022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "wayne-smith",
      "name": "Wayne Smith",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/dancing-shadows"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Dancing Shadows"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "william-hooker",
      "name": "William Hooker",
      "instruments": [
        "drums"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/the-lewitt-etudes"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "The LeWitt Etudes"
            ],
            "years": "2022",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    },
    {
      "id": "william-parker",
      "name": "William Parker",
      "instruments": [
        "double bass",
        "bass",
        "shakuhachi",
        "fujara"
      ],
      "roles": [
        "performer",
        "bandleader",
        "curator"
      ],
      "home_base": {
        "city": "New York",
        "region": "NY",
        "country": "US"
      },
      "active_this_year": true,
      "associated_venues": [
        "the-stone",
        "roulette-intermedium",
        "ibeam-brooklyn"
      ],
      "collectives": [
        "Arts for Art / Vision Festival",
        "Dopolarians",
        "Christopher Parker & the Band of Guardian Angels",
        "Ivo Perelman Quartet",
        "Sparks Quartet"
      ],
      "website": null,
      "confidence": 0.6,
      "provenance": {
        "added_by": "assistant:scene-knowledge-2026-07-18",
        "added_on": "2026-07-18",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://alvinfieldertribute.bandcamp.com/album/a-tribute-to-alvin-fielder-live-at-vision-festival-xxiv",
          "https://christopherparker.bandcamp.com/album/yeah-yeah",
          "https://dopolarians.bandcamp.com/album/the-bond",
          "https://eriyamamoto.bandcamp.com/album/colors-of-the-night"
        ],
        "needs_human_review": true,
        "note": "Added from established scene knowledge during a spend-limit outage; verify venue links, home base, and website via the web.",
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 17,
            "release_titles": [
              "A Tribute to Alvin Fielder, Live at Vision Festival XXIV",
              "Alien Skin",
              "Blues For Alvin Fielder",
              "Broken Unbroken",
              "Colors Of The Night",
              "Magic Dust",
              "More Music for a Free World",
              "Muscle Memory",
              "Soul Food",
              "Sparks",
              "Sparks Quartet Live At Vision Festival XXVI",
              "Sunday Morning Sermon"
            ],
            "years": "2020\u20132025",
            "verified_on": "2026-08-17"
          }
        ],
        "review_note": "Label credits added by catalogue import; existing curation left untouched."
      },
      "labels": [
        "Mahakala Music"
      ]
    },
    {
      "id": "gabby-fluke-mogul",
      "name": "gabby fluke-mogul",
      "instruments": [
        "violin"
      ],
      "roles": [
        "performer"
      ],
      "home_base": {
        "city": null,
        "region": null,
        "country": null
      },
      "active_this_year": null,
      "associated_venues": [],
      "website": null,
      "confidence": 0.6,
      "collectives": [],
      "labels": [
        "Mahakala Music"
      ],
      "provenance": {
        "added_by": "label-catalog:mahakala-music",
        "added_on": "2026-08-17",
        "source_urls": [
          "https://mahakalamusic.com",
          "https://mahakalamusic.bandcamp.com/album/murmuration"
        ],
        "label_credits": [
          {
            "label": "Mahakala Music",
            "releases": 1,
            "release_titles": [
              "Murmuration"
            ],
            "years": "2025",
            "verified_on": "2026-08-17"
          }
        ],
        "needs_human_review": true,
        "review_note": "Imported from the label catalogue: name, instruments, groups and release credits are sourced. Home base, website and venue links are still unknown \u2014 those are what a human should add."
      }
    }
  ]
}