music/exemplars/formula_cards/UNMATCHED__05_Rival.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__05_Rival",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Diamond & Pokémon Pearl_ Super M\\05 Rival.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": "2026-08-07T02:48:37+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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"fraction": 0.0451,
"seconds": 1.648,
"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": 4,
"raises": 2,
"breaks": 2,
"tuttis": 2
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.325,
"time_to_hook_s": 1.416,
"time_to_hook_bars": 0.8,
"time_to_full_texture_s": 1.207,
"time_to_full_texture_bars": 0.68,
"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
],
"values": [
0.0437,
0.5381,
0.6264,
0.6965,
0.7371,
0.7201,
0.6457,
0.7292,
0.7187,
0.764,
0.7767,
0.7562,
0.716,
0.7089,
0.718,
0.7329,
0.7134,
0.7007,
0.717,
0.7086,
0.6804,
0.7478,
0.6979,
0.7246,
0.6945,
0.7274,
0.7377,
0.6882,
0.7279,
0.6933,
0.7117,
0.738,
0.7344,
0.7032,
0.7157,
0.7424,
0.6907,
0.6865,
0.7029,
0.6505,
0.5414,
0.5832,
0.6466,
0.6414,
0.5529,
0.5491,
0.2528,
0.1063,
0.0703,
0.0003
],
"peak_position_normalised": 0.1886
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.7647,
"bars": 20,
"index_per_bar": [
0.8272,
0.9627,
0.9868,
0.9908,
0.9947,
0.9946,
0.9836,
0.9603,
1.0,
0.9571,
0.9545,
0.9584,
0.9635,
0.9908,
0.972,
0.9768,
0.927,
0.9525,
0.9561,
0.5046
],
"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": 19,
"at_s": 33.53,
"delta": -0.451,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 0,
"steps_total": 1,
"boundary_step_share": 0.0,
"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": 0.82,
"melodic_salience": 0.6634,
"voiced_fraction": 0.1846,
"note_count": 30,
"mean_lanes": 7.537,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 13.28,
"peak_position_normalised": 0.167,
"peak_at_s": 6.107,
"arc_curve_db": [
-42.97,
-51.66,
-16.55,
-14.01,
-13.86,
-13.52,
-12.89,
-13.37,
-12.51,
-12.65,
-12.9,
-12.5,
-12.95,
-13.11,
-12.86,
-12.61,
-13.05,
-12.75,
-13.2,
-13.63,
-12.5,
-13.07,
-13.31,
-13.35,
-13.47,
-13.57,
-13.65,
-13.1,
-13.77,
-13.29,
-12.62,
-12.8,
-13.02,
-14.2,
-14.65,
-14.37,
-13.71,
-14.42,
-15.28,
-15.67,
-18.87,
-17.91,
-14.24,
-14.77,
-18.91,
-24.16,
-31.16,
-44.76,
-71.6,
-67.19
],
"arc_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
]
},
"register": {
"melody_span_semitones": 19.0,
"melody_tessitura_midi": 38.0,
"bass_floor_band": {
"sub": 0.00463,
"low_bass": 0.25194,
"bass": 0.14892,
"low_mid": 0.09682,
"mid": 0.20227,
"upper_mid": 0.17875,
"presence": 0.09046,
"brilliance": 0.01924,
"air": 0.00689,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00463,
"low_bass": 0.25194,
"bass": 0.14892,
"low_mid": 0.09682,
"mid": 0.20227,
"upper_mid": 0.17875,
"presence": 0.09046,
"brilliance": 0.01924,
"air": 0.00689,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.03078,
"seam_ratio": 32.487,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.802,
"head_rms_trend": 0.7621,
"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": 2083.5,
"spectral_centroid_curve_hz": [
0.0,
2540.9,
2079.4,
1632.0,
2227.8,
1704.8,
1176.0,
3199.6,
1493.7,
2045.7,
2225.9,
1851.0,
1327.3,
1559.5,
2958.8,
2579.7,
1997.4,
1752.0,
2065.7,
1555.5,
1545.9,
2169.0,
2100.8,
2570.5,
1864.1,
1785.0,
2159.9,
2232.4,
3367.0,
2027.2,
1929.1,
1684.7,
1843.6,
3178.2,
2250.8,
2459.3,
2398.8,
2384.3,
2115.4,
1887.8,
2455.5,
2531.9,
1851.5,
1408.8,
1378.6,
2626.3,
1571.8,
1656.2,
1231.1,
0.0
],
"spectral_rolloff85_hz_mean": 4462.4,
"spectral_flatness_mean": 0.03355,
"signature_colour": "warm"
}
}
}