music/records/exemplars/UNMATCHED__20_Mambo_Mambo.acquisition.json
{
"schema": "exemplar-acquisition-proof/v1",
"verdict": "REJECT_UNMATCHED",
"track_id": "UNMATCHED__20_Mambo_Mambo",
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Christophe Héral & Billy Martin\\Rayman Legends (Original Game Soundtrack\\20 Mambo Mambo.m4a",
"sha256": "f6d65739c99f4a3c19fd06a6109a47772257a4ee5c703d8a2cde4b8f7b0e6e48",
"bytes": 3913250,
"source_format": "mov,mp4,m4a,3gp,3g2,mj2",
"source_codec": "aac",
"source_sample_rate_hz": 44100,
"lossless_source": false,
"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-07T01:11:33+00:00",
"measurements_summary": {
"duration_s": 94.065,
"sections": 11,
"baseline_bpm": 234.91,
"key": "C",
"mode": "major",
"max_lanes": 9,
"melodic_salience": 0.779,
"note_count": 194,
"events": {
"drops": 17,
"raises": 12,
"breaks": 1,
"tuttis": 5
},
"silence_budget": 0.0212,
"dynamic_range_db": 18.86,
"onset_type": "ostinato_first",
"time_to_hook_s": 0.174,
"complexity_boundary_step_share": 0.5
},
"formula_card": "build/audio/exemplars/formula_cards/UNMATCHED__20_Mambo_Mambo.json",
"formula_card_page": "build/audio/exemplars/formula_cards/UNMATCHED__20_Mambo_Mambo.md",
"corpus_match": {
"matched": false,
"reason": "no corpus row scored above the 0.62 bar on title AND total",
"candidates": [
{
"id": "EX_094",
"t": "Escape from Vector",
"g": "Rayman Legends",
"score": 0.3514,
"title_score": 0.1162
},
{
"id": "EX_137",
"t": "Vamo' Alla Flamenco",
"g": "Final Fantasy IX",
"score": 0.2627,
"title_score": 0.2993
},
{
"id": "EX_103",
"t": "Rainbow Road",
"g": "Mario Kart 64",
"score": 0.2501,
"title_score": 0.2696
},
{
"id": "EX_141",
"t": "2 AM",
"g": "Animal Crossing",
"score": 0.2442,
"title_score": 0.2756
},
{
"id": "EX_180",
"t": "Dreams Dreams",
"g": "NiGHTS into Dreams",
"score": 0.2396,
"title_score": 0.2583
}
],
"evidence": {
"tag_title": "Mambo Mambo",
"tag_album": "Rayman Legends (Original Game Soundtrack)",
"tag_artist": "Billy Martin",
"filename_stem": "20 Mambo Mambo"
}
},
"corpus_row": null,
"corpus_flip": {
"flipped": false,
"reason": "not attempted"
},
"control": {
"controls_passed": 24,
"controls_total": 24,
"ran_at": "2026-08-06T20:41:42+00:00",
"ffmpeg_version": "ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"note": "This measurement is admissible only because the positive control recovered its planted answers in the same process, immediately before it."
},
"legal_posture": "ANALYSIS FOR UNDERSTANDING ONLY. Audio lawfully obtained by Josh, read from disk, measured, and never copied, redistributed, or used as model input of any kind."
}