{
  "date": "2026-11-07",
  "preview_encoding": "MP3, 192 kbps stereo; author reference clips 96 kbps mono, resampled to 16 kHz for activity verification",
  "license": "CC BY 3.0",
  "license_url": "https://creativecommons.org/licenses/by/3.0/",
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          "rhodes.mp3": {
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          "tremolo guitar.mp3": {
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        "url": "https://ccmixter.org/files/speck/59444",
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        "url": "https://ccmixter.org/files/gurdonark/52175",
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  "limitations": [
    "Presence/activity is checked against author-provided recordings, not model predictions.",
    "Activity thresholds and correlations do not measure subjective quality.",
    "No universal model ranking; no claim of singer-identity separation.",
    "Local inference/export timings exclude queue, transfer and model loading."
  ]
}