music/exemplars/formula_cards/UNMATCHED__131_Route_6_Autumn_Winter_.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__131_Route_6_Autumn_Winter_",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Black & Pokémon White_ Super Mus\\131 Route 6 (Autumn_Winter).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": "2026-08-07T01:44:44+00:00",
"format_induced_limit": "lossy source (aac); high-band timbre figures carry codec artefacts and the card declares it",
"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."
},
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123.05,
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{
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}
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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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}
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8,
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23.0,
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0.0,
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}
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55.031,
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56.935,
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70.264,
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71.216,
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72.144,
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75.929
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56.726,
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},
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"segments": [
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56.541
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{
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5600
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{
"lane": "air",
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"segments": [
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0.8062,
0.7315,
0.725,
0.6925,
0.7754,
0.8032,
0.7487,
0.7335,
0.7928,
0.8418,
0.8693,
0.8134,
0.8593,
0.7866,
0.7304,
0.7393,
0.7235,
0.6938,
0.6347,
0.4288,
0.3655,
0.1505,
0.1402,
0.1695,
0.0004
],
"peak_position_normalised": 0.8819
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.9504,
"bars": 42,
"index_per_bar": [
0.8019,
0.9583,
0.9783,
0.9824,
0.9836,
0.9796,
0.9905,
0.988,
0.9849,
0.9819,
0.978,
0.9917,
0.9893,
0.9903,
0.9503,
0.9513,
0.9859,
0.9935,
1.0,
0.9652,
0.9909,
0.9619,
1.0,
0.9849,
0.9839,
0.9812,
0.9902,
0.9792,
0.9879,
0.9773,
0.988,
0.9821,
0.9876,
0.9541,
0.9637,
0.9938,
0.9844,
0.9979,
0.9578,
0.9311,
0.5368,
0.0293
],
"definition": "lane count + 4*harmonic change rate + 0.6*onset strength + 0.4*register span, per bar, normalised to the track's own maximum (section 11.6)",
"step_map": [
{
"bar": 1,
"at_s": 1.95,
"delta": 0.156,
"at_section_boundary": true
},
{
"bar": 40,
"at_s": 78.02,
"delta": -0.394,
"at_section_boundary": true
},
{
"bar": 41,
"at_s": 79.97,
"delta": -0.507,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 3,
"steps_total": 3,
"boundary_step_share": 1.0,
"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": 0.403,
"melodic_salience": 0.3884,
"voiced_fraction": 0.0578,
"note_count": 33,
"mean_lanes": 8.276,
"max_lanes": 9
},
"dynamics": {
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"peak_position_normalised": 0.8782,
"peak_at_s": 71.982,
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],
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0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
7.43,
8.17,
8.92,
9.66,
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,
24.52,
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,
36.41,
37.15,
37.89,
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,
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,
81.73
]
},
"register": {
"melody_span_semitones": 36.0,
"melody_tessitura_midi": 44.0,
"bass_floor_band": {
"sub": 0.00032,
"low_bass": 0.05399,
"bass": 0.07954,
"low_mid": 0.24597,
"mid": 0.35399,
"upper_mid": 0.12005,
"presence": 0.11409,
"brilliance": 0.02825,
"air": 0.0032,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00032,
"low_bass": 0.05399,
"bass": 0.07954,
"low_mid": 0.24597,
"mid": 0.35399,
"upper_mid": 0.12005,
"presence": 0.11409,
"brilliance": 0.02825,
"air": 0.0032,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.02638,
"seam_ratio": 37.911,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8469,
"head_rms_trend": 0.884,
"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": {
"spectral_centroid_hz_mean": 1861.2,
"spectral_centroid_curve_hz": [
0.0,
1527.5,
1808.2,
1653.3,
1773.1,
1418.4,
1825.8,
1594.5,
1546.2,
1950.0,
1793.4,
1816.8,
1843.3,
2233.9,
1947.4,
2462.5,
1997.8,
2147.5,
2114.3,
1926.0,
2081.4,
1743.3,
2377.9,
2213.7,
1894.3,
1710.0,
1899.0,
1975.3,
1784.3,
1661.7,
1634.5,
2108.0,
1938.0,
2001.3,
2047.0,
1970.7,
2103.6,
2305.2,
1928.9,
1456.9,
1782.7,
2023.4,
1653.2,
1838.9,
2088.3,
1814.1,
1541.0,
2074.6,
1814.2,
1697.8,
2081.3,
1725.9,
1545.4,
1662.1,
1546.0,
1950.0,
1871.9,
1743.8,
1727.3,
1571.1,
1916.5,
1928.4,
1774.2,
2183.0,
2207.2,
2134.0,
2166.4,
1934.7,
2157.4,
1971.6,
1994.7,
2230.1,
2083.5,
1285.9,
2323.0,
2038.6,
1704.6,
1863.5,
1727.8,
1721.3,
1766.3,
1872.6,
2015.5,
2187.8,
1962.9,
2020.0,
2019.8,
1666.6,
1731.6,
1348.6,
2221.5,
2063.0,
1779.6,
1945.9,
1799.3,
1935.2,
2106.3,
1721.6,
2073.3,
1598.7,
1686.7,
1622.1,
1782.7,
2023.7,
1850.6,
1392.1,
2043.6,
1587.7,
1672.0,
2156.1,
0.0
],
"spectral_rolloff85_hz_mean": 3725.8,
"spectral_flatness_mean": 0.01992,
"signature_colour": "warm"
}
}
}