music/exemplars/formula_cards/UNMATCHED__2-16_What__2.json
{
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"consumer": "docs/proposals/music/MASTERPIECE_PROGRAM.md rung 2 (the archetype synthesis -> MASTERPIECE_STANDARD.md)",
"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__2-16_What__2",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Nobuo Uematsu\\FINAL FANTASY VI (Original Soundtrack)\\2-16 What_ 2.m4a",
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"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-07T12:31:46+00:00",
"format_induced_limit": "lossy source (aac); high-band timbre figures carry codec artefacts and the card declares it",
"control": {
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"controls_total": 31,
"ran_at": "2026-08-07T12:07:20+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."
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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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},
{
"bar": 4,
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"delta": -0.29,
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},
{
"bar": 5,
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},
{
"bar": 10,
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"at_section_boundary": true
},
{
"bar": 11,
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"delta": 0.199,
"at_section_boundary": false
},
{
"bar": 12,
"at_s": 16.72,
"delta": -0.2,
"at_section_boundary": false
},
{
"bar": 13,
"at_s": 18.11,
"delta": 0.311,
"at_section_boundary": false
},
{
"bar": 16,
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"delta": -0.498,
"at_section_boundary": false
},
{
"bar": 17,
"at_s": 23.68,
"delta": 0.174,
"at_section_boundary": false
},
{
"bar": 19,
"at_s": 26.47,
"delta": 0.28,
"at_section_boundary": true
},
{
"bar": 21,
"at_s": 29.26,
"delta": -0.174,
"at_section_boundary": false
},
{
"bar": 23,
"at_s": 32.04,
"delta": -0.331,
"at_section_boundary": false
},
{
"bar": 24,
"at_s": 33.44,
"delta": 0.281,
"at_section_boundary": false
},
{
"bar": 26,
"at_s": 36.22,
"delta": -0.198,
"at_section_boundary": true
},
{
"bar": 28,
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"delta": -0.308,
"at_section_boundary": false
},
{
"bar": 29,
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"delta": 0.268,
"at_section_boundary": false
},
{
"bar": 34,
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"delta": -0.257,
"at_section_boundary": true
},
{
"bar": 35,
"at_s": 48.76,
"delta": 0.206,
"at_section_boundary": true
},
{
"bar": 36,
"at_s": 50.15,
"delta": -0.285,
"at_section_boundary": false
},
{
"bar": 37,
"at_s": 51.55,
"delta": 0.342,
"at_section_boundary": false
},
{
"bar": 38,
"at_s": 52.94,
"delta": 0.173,
"at_section_boundary": false
},
{
"bar": 39,
"at_s": 54.33,
"delta": -0.21,
"at_section_boundary": false
},
{
"bar": 40,
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"delta": -0.439,
"at_section_boundary": false
},
{
"bar": 43,
"at_s": 59.91,
"delta": 0.447,
"at_section_boundary": true
},
{
"bar": 45,
"at_s": 62.69,
"delta": -0.216,
"at_section_boundary": false
},
{
"bar": 47,
"at_s": 65.48,
"delta": -0.369,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 8,
"steps_total": 26,
"boundary_step_share": 0.308,
"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."
},
"texture_and_density": {
"note_rate_per_s": 2.935,
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"voiced_fraction": 0.4202,
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"mean_lanes": 2.784,
"max_lanes": 8
},
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2.23,
2.97,
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5.94,
6.69,
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12.63,
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14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
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25.26,
26.01,
26.75,
27.49,
28.24,
28.98,
29.72,
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31.21,
31.95,
32.69,
33.44,
34.18,
34.92,
35.67,
36.41,
37.15,
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38.64,
39.38,
40.12,
40.87,
41.61,
42.35,
43.1,
43.84,
44.58,
45.33,
46.07,
46.81,
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,
57.21,
57.96,
58.7,
59.44,
60.19,
60.93,
61.67,
62.42,
63.16,
63.9,
64.64,
65.39,
66.13,
66.87,
67.62
]
},
"register": {
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"melody_tessitura_midi": 60.0,
"bass_floor_band": {
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"low_bass": 0.03893,
"bass": 0.20408,
"low_mid": 0.23215,
"mid": 0.35906,
"upper_mid": 0.05763,
"presence": 0.09143,
"brilliance": 0.0129,
"air": 0.0033,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00048,
"low_bass": 0.03893,
"bass": 0.20408,
"low_mid": 0.23215,
"mid": 0.35906,
"upper_mid": 0.05763,
"presence": 0.09143,
"brilliance": 0.0129,
"air": 0.0033,
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}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.13278,
"seam_ratio": 7.531,
"seam_clean": false,
"tail_rms_over_mid": 0.0879,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.3798,
"head_rms_trend": 0.5304,
"baked_fade_out": false,
"baked_fade_in": true
},
"ending": "through_or_loop",
"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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"spectral_centroid_curve_hz": [
0.0,
848.2,
516.9,
817.8,
2363.2,
1730.3,
637.6,
2158.4,
3066.2,
2803.4,
1671.2,
1869.1,
2004.8,
1341.2,
896.1,
600.1,
1287.9,
1836.3,
1483.7,
3012.2,
1597.5,
1965.0,
1471.6,
3094.2,
3760.5,
3615.6,
2394.7,
4939.9,
493.4,
682.0,
792.0,
3402.6,
2334.7,
1279.4,
5603.4,
506.4,
669.4,
797.2,
889.1,
2041.6,
1117.0,
647.3,
1273.4,
689.5,
729.4,
1097.0,
829.3,
1100.5,
1516.0,
986.9,
1065.6,
1549.5,
2007.3,
3163.1,
1970.6,
1016.5,
1437.6,
2978.8,
911.4,
646.9,
603.6,
1699.5,
2170.2,
717.4,
1903.0,
2315.2,
1868.3,
2892.7,
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3076.4,
1363.4,
2940.5,
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490.7,
2402.2,
999.3,
3022.9,
481.2,
790.6,
521.5,
3074.4,
1169.9,
1362.2,
2257.3,
1079.5,
826.1,
765.7,
801.2,
830.3,
547.6,
726.4,
1386.3
],
"spectral_rolloff85_hz_mean": 3158.0,
"spectral_flatness_mean": 0.02357,
"signature_colour": "warm"
}
}
}