music/exemplars/formula_cards/UNMATCHED__66_Route_6_Spring_Summer_.json
{
"schema": "formula-card/v1",
"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__66_Route_6_Spring_Summer_",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Black & Pokémon White_ Super Mus\\66 Route 6 (Spring_Summer).m4a",
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"source_channels": 2,
"lossless_source": false,
"analysis_sample_rate_hz": 22050,
"decoder": "ffmpeg.exe :: ffmpeg version 9.0-full_build-www.gyan.dev Copyright (c) 2000-2026 the FFmpeg developers",
"measured_at": "2026-08-07T02:28:41+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": 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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129.2,
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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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"tempo_bpm_median_local": 129.2,
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"note": "Bar arithmetic on this card uses 4 beats per bar at the baseline tempo. The onset period beside it is MEASURED; the signature is not."
},
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}
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27.0,
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}
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"method_note": "Section 11.1 requires the lane method be declared. Bands are not instruments: two instruments in one octave read as one lane, and one instrument spanning two octaves reads as two. Entry/exit and simultaneity shapes are trustworthy; a roster is not claimed.",
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53.15,
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54.079,
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56.959,
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69.335,
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70.287,
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71.239,
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72.121,
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74.118,
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76.231,
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"segments": [
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]
},
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]
},
{
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2800,
5600
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"segments": [
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22.43,
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{
"lane": "air",
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0.7973,
0.8211,
0.8307,
0.8489,
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0.7667,
0.7801,
0.7556,
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0.8,
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0.6936,
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0.6775,
0.6286,
0.4392,
0.3443,
0.1508,
0.1484,
0.1705,
0.0004
],
"peak_position_normalised": 0.8816
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.9504,
"bars": 42,
"index_per_bar": [
0.797,
0.9644,
0.9737,
0.9721,
0.9857,
0.9793,
0.9927,
0.9863,
0.9888,
0.9765,
0.9733,
0.9844,
0.9896,
0.9886,
0.9535,
0.9544,
0.9883,
0.9918,
1.0,
0.968,
0.9925,
0.9611,
0.993,
0.9886,
0.9839,
0.9815,
0.9924,
0.9805,
0.9909,
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0.9858,
0.9917,
0.9944,
0.9507,
0.9549,
0.9978,
0.9866,
0.9986,
0.9616,
0.9338,
0.5351,
0.0287
],
"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": 0.167,
"at_section_boundary": true
},
{
"bar": 40,
"at_s": 78.02,
"delta": -0.399,
"at_section_boundary": true
},
{
"bar": 41,
"at_s": 79.97,
"delta": -0.506,
"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": 0.28,
"melodic_salience": 0.2955,
"voiced_fraction": 0.0464,
"note_count": 23,
"mean_lanes": 8.239,
"max_lanes": 9
},
"dynamics": {
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"peak_position_normalised": 0.8782,
"peak_at_s": 72.005,
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],
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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": 41.0,
"melody_tessitura_midi": 64.0,
"bass_floor_band": {
"sub": 0.00033,
"low_bass": 0.03851,
"bass": 0.0508,
"low_mid": 0.22598,
"mid": 0.39562,
"upper_mid": 0.14597,
"presence": 0.11224,
"brilliance": 0.02718,
"air": 0.00277,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00033,
"low_bass": 0.03851,
"bass": 0.0508,
"low_mid": 0.22598,
"mid": 0.39562,
"upper_mid": 0.14597,
"presence": 0.11224,
"brilliance": 0.02718,
"air": 0.00277,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.026,
"seam_ratio": 38.466,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8351,
"head_rms_trend": 0.911,
"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": 1830.8,
"spectral_centroid_curve_hz": [
0.0,
1767.9,
1709.7,
1646.2,
1794.2,
1503.8,
1719.7,
1562.9,
1504.6,
1947.2,
1696.0,
1847.4,
1905.9,
2360.6,
1935.6,
2226.2,
1986.7,
2066.4,
1966.7,
1857.2,
2252.0,
1895.3,
2323.0,
1990.1,
2273.2,
1882.4,
1750.8,
1910.0,
1809.4,
1765.5,
1310.4,
1946.6,
1903.2,
1919.5,
2125.7,
1966.5,
1897.9,
2231.0,
1975.3,
1370.1,
1748.7,
1864.9,
1772.1,
2085.5,
2028.4,
1811.2,
1682.3,
2094.4,
1670.0,
1841.8,
1896.0,
1627.4,
1650.2,
1640.2,
1534.4,
2031.9,
1697.0,
1692.0,
1741.8,
1567.9,
1495.7,
1921.3,
1907.6,
2151.5,
2025.3,
2085.6,
2175.6,
1974.8,
1956.2,
2068.2,
2011.6,
2134.5,
2083.0,
1271.2,
2257.9,
2041.6,
1738.5,
1765.6,
1779.2,
1818.7,
1719.4,
1889.8,
2040.7,
2121.6,
2028.3,
2040.1,
2090.5,
1899.0,
1878.8,
1372.3,
2118.3,
1983.5,
1881.7,
1609.4,
1915.3,
2001.3,
1973.4,
1852.8,
1890.4,
1684.5,
1583.4,
1541.4,
1749.1,
1808.9,
1756.7,
1525.1,
1761.8,
1591.1,
1776.7,
2169.4,
0.0
],
"spectral_rolloff85_hz_mean": 3611.5,
"spectral_flatness_mean": 0.01994,
"signature_colour": "warm"
}
}
}