music/exemplars/formula_cards/UNMATCHED__79_Twinleaf_Town_Night_.json
{
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"tier": "RUNG-1 MEASURED",
"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.",
"track_id": "UNMATCHED__79_Twinleaf_Town_Night_",
"title": null,
"game": null,
"composer": null,
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"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
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"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."
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"octave_ambiguity_note": "Beat trackers pick a metrical level, and half/double-time readings are a real and known property, not an error -- the rig's own control plants 120 bpm and this estimator returns 60. Every bar figure on this card (time-to-hook in bars, the complexity index's bar length) inherits whichever level was picked, so compare bar counts within a card, never across cards, until rung 2 pins the metrical level per class.",
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},
{
"position": 0.6097,
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"end_s": 50.364,
"db_delta": 2.1,
"lanes_added": 1.56,
"slope_db_per_s": 2.742
},
{
"position": 0.648,
"start_s": 52.709,
"end_s": 53.15,
"db_delta": 4.19,
"lanes_added": 1.56,
"slope_db_per_s": 9.492
},
{
"position": 0.6854,
"start_s": 55.751,
"end_s": 56.216,
"db_delta": 5.43,
"lanes_added": 1.53,
"slope_db_per_s": 11.683
},
{
"position": 0.7013,
"start_s": 57.051,
"end_s": 57.609,
"db_delta": 2.92,
"lanes_added": 1.65,
"slope_db_per_s": 5.247
},
{
"position": 0.9291,
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"end_s": 75.767,
"db_delta": 14.56,
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}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
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},
{
"position": 0.9828,
"at_s": 79.946,
"duration_s": 1.393
}
],
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"fraction": 0.0243,
"seconds": 1.973,
"threshold": "40 dB below the track's own p95 RMS",
"note": "Section 11.2 treats rest as a FIRST-CLASS parameter, not an absence."
},
"counts": {
"drops": 17,
"raises": 22,
"breaks": 2,
"tuttis": 0
}
},
"opening_and_flow_law": {
"onset_type": "silence_then_hit",
"first_sound_at_s": 0.534,
"time_to_hook_s": 0.522,
"time_to_hook_bars": 0.18,
"time_to_full_texture_s": 0.58,
"time_to_full_texture_bars": 0.2,
"flow_curve": {
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0.74,
1.49,
2.23,
2.97,
3.72,
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5.2,
5.94,
6.69,
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8.17,
8.92,
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10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
19.32,
20.06,
20.81,
21.55,
22.29,
23.03,
23.78,
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25.26,
26.01,
26.75,
27.49,
28.24,
28.98,
29.72,
30.46,
31.21,
31.95,
32.69,
33.44,
34.18,
34.92,
35.67,
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37.15,
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38.64,
39.38,
40.12,
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41.61,
42.35,
43.1,
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44.58,
45.33,
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47.55,
48.3,
49.04,
49.78,
50.53,
51.27,
52.01,
52.76,
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54.24,
54.98,
55.73,
56.47,
57.21,
57.96,
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59.44,
60.19,
60.93,
61.67,
62.42,
63.16,
63.9,
64.64,
65.39,
66.13,
66.87,
67.62,
68.36,
69.1,
69.85,
70.59,
71.33,
72.07,
72.82,
73.56,
74.3,
75.05,
75.79,
76.53,
77.28,
78.02,
78.76,
79.51,
80.25,
80.99
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}
},
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"available": true,
"bar_length_s": 2.9721,
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{
"bar": 8,
"at_s": 23.78,
"delta": -0.152,
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},
{
"bar": 16,
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"at_section_boundary": true
},
{
"bar": 20,
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},
{
"bar": 26,
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}
],
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"hypothesis_note": "Section 11.6 expects masterpieces to step complexity AT structural boundaries and hold it flat inside sections. This share is the measurement of that claim on this track; the corpus decides, not us."
},
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38.64,
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40.12,
40.87,
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42.35,
43.1,
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44.58,
45.33,
46.07,
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47.55,
48.3,
49.04,
49.78,
50.53,
51.27,
52.01,
52.76,
53.5,
54.24,
54.98,
55.73,
56.47,
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80.25,
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},
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"melody_tessitura_midi": 56.0,
"bass_floor_band": {
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"low_bass": 0.35753,
"bass": 0.22061,
"low_mid": 0.11704,
"mid": 0.18329,
"upper_mid": 0.0536,
"presence": 0.03546,
"brilliance": 0.0248,
"air": 0.00422,
"ultra": 0.0
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"octave_band_profile": {
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"low_bass": 0.35753,
"bass": 0.22061,
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"mid": 0.18329,
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}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.07029,
"seam_ratio": 14.227,
"seam_clean": false,
"tail_rms_over_mid": 0.0006,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.7596,
"head_rms_trend": 0.479,
"baked_fade_out": true,
"baked_fade_in": true
},
"ending": "baked_fade_out",
"cadence_census_note": "A cadence census needs harmonic transcription and is a rung-2 dimension; the seam measurement is what rung 1 can honestly report about how it ends."
},
"timbre": {
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1557.5,
2637.3,
2417.8,
2947.9,
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2175.2,
3051.6,
1747.3,
2590.0,
2412.6,
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1836.3,
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2645.0,
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"signature_colour": "warm"
}
}
}