music/exemplars/formula_cards/UNMATCHED__111_Spin_Trade.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__111_Spin_Trade",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Black & Pokémon White_ Super Mus\\111 Spin Trade.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": "2026-08-07T01:38:43+00:00",
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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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9,
8,
7,
8,
9,
9,
7,
7,
9,
7,
7,
9,
9,
8,
9,
8,
7,
7,
7,
6,
2,
0,
0,
0,
0,
0,
0,
0,
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0,
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0,
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"max": 9,
"mean": 7.69
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.9229,
"at_s": 39.683,
"db_delta": -6.09,
"lanes_removed": 1.48,
"bars_held_s": 2.717,
"re_enters_at_s": 42.4
},
{
"position": 0.9509,
"at_s": 40.89,
"db_delta": -8.07,
"lanes_removed": 3.86,
"bars_held_s": 1.509,
"re_enters_at_s": 42.4
},
{
"position": 0.979,
"at_s": 42.098,
"db_delta": -63.01,
"lanes_removed": -0.0,
"bars_held_s": 0.302,
"re_enters_at_s": 42.4
}
],
"raises": [
{
"position": 0.014,
"start_s": 0.604,
"end_s": 39.683,
"db_delta": 124.85,
"lanes_added": 3.66,
"slope_db_per_s": 3.195
},
{
"position": 0.0421,
"start_s": 1.811,
"end_s": 2.09,
"db_delta": 3.96,
"lanes_added": 2.27,
"slope_db_per_s": 14.206
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.464
},
{
"position": 0.9752,
"at_s": 41.935,
"duration_s": 1.045
}
],
"tuttis": [
{
"position": 0.0945,
"at_s": 4.063,
"duration_s": 0.998,
"lanes": 9
},
{
"position": 0.1809,
"at_s": 7.779,
"duration_s": 1.324,
"lanes": 9
},
{
"position": 0.4109,
"at_s": 17.67,
"duration_s": 0.789,
"lanes": 9
},
{
"position": 0.5006,
"at_s": 21.525,
"duration_s": 0.975,
"lanes": 9
},
{
"position": 0.5886,
"at_s": 25.31,
"duration_s": 1.161,
"lanes": 9
},
{
"position": 0.8084,
"at_s": 34.76,
"duration_s": 1.138,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0362,
"seconds": 1.556,
"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": 3,
"raises": 2,
"breaks": 2,
"tuttis": 6
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 0.58,
"time_to_hook_bars": 0.39,
"time_to_full_texture_s": 1.602,
"time_to_full_texture_bars": 1.08,
"flow_curve": {
"definition": "energy = 0.45*density + 0.35*lane-simultaneity + 0.20*register, each normalised to the track's own maximum (section 11.4)",
"times_s": [
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
],
"values": [
0.0393,
0.3035,
0.4438,
0.7109,
0.7083,
0.6828,
0.7345,
0.6808,
0.7169,
0.7326,
0.7665,
0.7648,
0.712,
0.7254,
0.7394,
0.7783,
0.6476,
0.622,
0.6837,
0.7374,
0.7009,
0.6974,
0.6883,
0.7642,
0.7474,
0.6745,
0.6949,
0.6403,
0.698,
0.7427,
0.7884,
0.6575,
0.6966,
0.7593,
0.796,
0.7573,
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0.775,
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0.6885,
0.6865,
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0.7022,
0.6907,
0.6176,
0.5633,
0.4936,
0.1539,
0.1224,
0.111
],
"peak_position_normalised": 0.5981
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.4861,
"bars": 28,
"index_per_bar": [
0.4761,
0.9554,
0.971,
0.969,
0.9801,
0.9803,
0.9904,
0.9709,
0.9507,
0.96,
0.9525,
0.9726,
0.9766,
0.9513,
0.9835,
0.9406,
0.9748,
0.9822,
1.0,
0.9711,
0.9443,
0.9591,
0.9464,
0.9949,
0.9704,
0.948,
0.9314,
0.4873
],
"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": 1.49,
"delta": 0.479,
"at_section_boundary": true
},
{
"bar": 27,
"at_s": 40.12,
"delta": -0.444,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 2,
"steps_total": 2,
"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": 2.581,
"melodic_salience": 0.7586,
"voiced_fraction": 0.368,
"note_count": 111,
"mean_lanes": 7.69,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 9.82,
"peak_position_normalised": 0.5916,
"peak_at_s": 25.426,
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-10.21,
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-12.29,
-13.37,
-15.17,
-20.11,
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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
]
},
"register": {
"melody_span_semitones": 35.33,
"melody_tessitura_midi": 42.0,
"bass_floor_band": {
"sub": 0.01132,
"low_bass": 0.21581,
"bass": 0.2008,
"low_mid": 0.09925,
"mid": 0.21363,
"upper_mid": 0.14249,
"presence": 0.07431,
"brilliance": 0.03217,
"air": 0.00673,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.01132,
"low_bass": 0.21581,
"bass": 0.2008,
"low_mid": 0.09925,
"mid": 0.21363,
"upper_mid": 0.14249,
"presence": 0.07431,
"brilliance": 0.03217,
"air": 0.00673,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.06338,
"seam_ratio": 15.777,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8816,
"head_rms_trend": 0.6095,
"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": 2144.7,
"spectral_centroid_curve_hz": [
0.0,
1665.8,
1711.6,
3052.8,
2140.5,
2438.2,
1703.5,
2080.7,
1932.6,
1958.8,
2096.3,
1990.4,
1652.1,
1835.8,
2000.2,
2470.0,
2061.5,
2308.4,
2039.8,
2566.8,
2006.0,
2391.6,
2574.2,
2768.4,
2446.5,
2694.4,
2390.7,
2214.7,
2328.8,
1851.7,
2535.4,
1869.7,
2025.8,
2070.8,
2371.0,
1897.2,
1805.0,
1636.2,
2533.4,
1450.6,
1423.8,
1418.5,
1246.3,
1293.2,
2061.3,
2331.3,
2618.7,
2653.8,
2315.5,
2659.3,
2941.6,
2053.4,
2490.3,
1634.1,
2014.9,
2028.9,
1998.0,
1988.6
],
"spectral_rolloff85_hz_mean": 4626.8,
"spectral_flatness_mean": 0.03667,
"signature_colour": "warm"
}
}
}