music/exemplars/formula_cards/UNMATCHED__56_Evolution.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__56_Evolution",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon X & Pokémon Y_ Super Music Colle\\56 Evolution.m4a",
"sha256": "453bb497b73e4075166875438d0c89761377d1868b05e30ff4ef7bae26fb424d",
"bytes": 2084532,
"source_format": "mov,mp4,m4a,3gp,3g2,mj2",
"source_codec": "aac",
"source_sample_rate_hz": 44100,
"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": "2026-08-07T04:30:23+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."
},
"card": {
"duration_and_structure": {
"total_length_s": 46.672,
"section_boundaries_s": [
0.0,
4.365,
16.533,
25.542,
33.53,
41.517,
46.672
],
"section_count": 6,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.9724,
"is_repeat": true
},
{
"section": 2,
"most_like_section": 1,
"similarity": 0.9187,
"is_repeat": true
},
{
"section": 3,
"most_like_section": 2,
"similarity": 0.9947,
"is_repeat": true
},
{
"section": 4,
"most_like_section": 3,
"similarity": 1.0,
"is_repeat": true
},
{
"section": 5,
"most_like_section": 3,
"similarity": 0.9629,
"is_repeat": true
}
],
"novelty_peak_strength": [
0.6134,
1.0,
0.3136,
0.3448,
0.3297
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 234.91,
"curve_times_s": [
0.0,
0.37,
0.74,
1.11,
1.49,
1.86,
2.23,
2.6,
2.97,
3.34,
3.72,
4.09,
4.46,
4.83,
5.2,
5.57,
5.94,
6.32,
6.69,
7.06,
7.43,
7.8,
8.17,
8.54,
8.92,
9.29,
9.66,
10.03,
10.4,
10.77,
11.15,
11.52,
11.89,
12.26,
12.63,
13.0,
13.37,
13.75,
14.12,
14.49,
14.86,
15.23,
15.6,
15.98,
16.35,
16.72,
17.09,
17.46,
17.83,
18.2,
18.58,
18.95,
19.32,
19.69,
20.06,
20.43,
20.81,
21.18,
21.55,
21.92,
22.29,
22.66,
23.03,
23.41,
23.78,
24.15,
24.52,
24.89,
25.26,
25.63,
26.01,
26.38,
26.75,
27.12,
27.49,
27.86,
28.24,
28.61,
28.98,
29.35,
29.72,
30.09,
30.46,
30.84,
31.21,
31.58,
31.95,
32.32,
32.69,
33.07,
33.44,
33.81,
34.18,
34.55,
34.92,
35.29,
35.67,
36.04,
36.41,
36.78,
37.15,
37.52,
37.89,
38.27,
38.64,
39.01,
39.38,
39.75,
40.12,
40.5,
40.87,
41.24,
41.61,
41.98,
42.35,
42.72,
43.1,
43.47,
43.84,
44.21,
44.58,
44.95,
45.33,
45.7,
46.07,
46.44
],
"curve_bpm": [
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
117.45,
117.45,
117.45,
117.45,
117.45,
117.45,
117.45,
117.45,
117.45,
117.45,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91
],
"adjustment_events": [
{
"position_s": 0.0,
"duration_s": 19.18,
"delta_bpm": -157.46,
"shape": "ramp"
}
],
"dispersion_bpm": 81.29,
"rubato_depth_bpm": 174.815
},
"global_bpm": 117.45,
"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.",
"windowed_tempo_stability": {
"tempo_bpm_global": 117.45,
"tempo_bpm_median_local": 117.45,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0232
},
"dominant_onset_period_s": 0.9985,
"dominant_onset_period_bpm": 60.09,
"metre": {
"assumed": "4/4",
"measured": null,
"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."
},
"groove": {
"swing_ratio": 0.493,
"onset_rate_per_s": 10.772
}
},
"tonality": {
"key": "G",
"mode": "major",
"windowed_key_agreement": 0.8333,
"modulation_note": "Windowed key agreement below ~0.7 is the modulation signal at rung 1; a pivot-chord map needs symbolic transcription (rung 2)."
},
"the_hook": {
"available": true,
"onset_s": 0.546,
"onset_bars": 0.53,
"pitch_contour": "DDUDD-DU-DUD---",
"interval_vocabulary_semitones": [
0,
1,
2,
7,
9,
12,
17,
19
],
"intervals": [
-7.0,
-12.0,
19.0,
-19.0,
-17.0,
0.0,
-1.33,
1.33,
0.0,
-1.67,
8.67,
-7.0,
0.0,
0.0,
0.0
],
"range_semitones": 37.67,
"distinctive_deviation": {
"largest_interval_semitones": 19.0,
"at_note_index": 3,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.951,
"self_similarity_baseline": 0.8979,
"self_similarity_lift": 0.0531,
"recurrence_lag_s": 3.994,
"interval_3gram_repetition": 0.3585,
"interval_4gram_repetition": 0.2692
},
"lane_analysis": {
"method": "spectral_band_proxy",
"confidence": "LOW-FOR-ROSTER, USABLE-FOR-ARRANGEMENT",
"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.",
"lane_roster_bands": [
"sub",
"low_bass",
"bass",
"low_mid",
"mid",
"upper_mid",
"presence",
"brilliance",
"air",
"ultra"
],
"entry_exit_map": [
{
"lane": "sub",
"band_hz": [
20,
45
],
"entry_s": 9.033,
"exit_s": 43.77,
"active_fraction": 0.6594,
"segments": [
[
9.033,
9.799
],
[
11.285,
11.796
],
[
13.282,
13.793
],
[
16.486,
18.831
],
[
19.458,
20.341
],
[
21.502,
22.338
],
[
23.452,
24.335
],
[
24.451,
26.331
],
[
26.448,
27.818
],
[
27.957,
30.836
],
[
30.952,
31.835
],
[
31.951,
33.831
],
[
34.458,
35.828
],
[
37.059,
39.335
],
[
39.451,
41.842
],
[
42.446,
43.77
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 5.294,
"exit_s": 43.746,
"active_fraction": 0.6758,
"segments": [
[
5.294,
5.805
],
[
9.009,
9.799
],
[
11.006,
11.796
],
[
16.486,
18.297
],
[
19.505,
20.294
],
[
21.502,
22.291
],
[
23.475,
24.288
],
[
25.054,
25.774
],
[
26.494,
27.771
],
[
28.491,
31.277
],
[
32.508,
33.785
],
[
34.505,
35.759
],
[
36.502,
39.265
],
[
40.496,
41.773
],
[
42.493,
43.746
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 4.992,
"exit_s": 44.002,
"active_fraction": 0.6643,
"segments": [
[
4.992,
5.689
],
[
9.009,
9.706
],
[
13.003,
13.63
],
[
16.486,
17.856
],
[
19.505,
20.201
],
[
21.014,
21.989
],
[
25.008,
44.002
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 4.992,
"exit_s": 44.513,
"active_fraction": 0.7966,
"segments": [
[
4.992,
5.735
],
[
8.986,
9.799
],
[
12.98,
13.793
],
[
16.486,
44.513
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.511,
"exit_s": 43.607,
"active_fraction": 0.7474,
"segments": [
[
0.511,
1.115
],
[
4.992,
5.689
],
[
8.986,
9.683
],
[
13.003,
13.677
],
[
16.486,
38.197
],
[
38.313,
43.607
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.488,
"exit_s": 44.675,
"active_fraction": 0.8503,
"segments": [
[
0.488,
1.115
],
[
4.992,
5.642
],
[
9.938,
44.675
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.488,
"exit_s": 45.093,
"active_fraction": 0.8717,
"segments": [
[
0.488,
1.091
],
[
4.992,
5.759
],
[
8.499,
9.311
],
[
9.497,
45.093
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.488,
"exit_s": 45.256,
"active_fraction": 0.8598,
"segments": [
[
0.488,
0.998
],
[
8.499,
9.288
],
[
9.497,
45.256
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.488,
"exit_s": 45.047,
"active_fraction": 0.8677,
"segments": [
[
0.488,
0.998
],
[
8.499,
9.288
],
[
9.497,
45.047
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.7817,
"sub|bass": 0.7629,
"sub|low_mid": 0.7985,
"sub|mid": 0.7905,
"sub|upper_mid": 0.7509,
"sub|presence": 0.7455,
"sub|brilliance": 0.7437,
"sub|air": 0.739,
"low_bass|bass": 0.7455,
"low_bass|low_mid": 0.7784,
"low_bass|mid": 0.7314,
"low_bass|upper_mid": 0.729,
"low_bass|presence": 0.727,
"low_bass|brilliance": 0.7319,
"low_bass|air": 0.7331,
"bass|low_mid": 0.8283,
"bass|mid": 0.8543,
"bass|upper_mid": 0.772,
"bass|presence": 0.7541,
"bass|brilliance": 0.7544,
"bass|air": 0.7486,
"low_mid|mid": 0.9096,
"low_mid|upper_mid": 0.8947,
"low_mid|presence": 0.8891,
"low_mid|brilliance": 0.8798,
"low_mid|air": 0.891,
"mid|upper_mid": 0.8691,
"mid|presence": 0.8479,
"mid|brilliance": 0.8426,
"mid|air": 0.8381,
"upper_mid|presence": 0.9665,
"upper_mid|brilliance": 0.9618,
"upper_mid|air": 0.962,
"presence|brilliance": 0.9717,
"presence|air": 0.9763,
"brilliance|air": 0.9795
},
"simultaneity_curve": {
"times_s": [
0.0,
0.186,
0.372,
0.557,
0.743,
0.929,
1.115,
1.3,
1.486,
1.672,
1.858,
2.043,
2.229,
2.415,
2.601,
2.786,
2.972,
3.158,
3.344,
3.529,
3.715,
3.901,
4.087,
4.272,
4.458,
4.644,
4.83,
5.016,
5.201,
5.387,
5.573,
5.759,
5.944,
6.13,
6.316,
6.502,
6.687,
6.873,
7.059,
7.245,
7.43,
7.616,
7.802,
7.988,
8.173,
8.359,
8.545,
8.731,
8.916,
9.102,
9.288,
9.474,
9.66,
9.845,
10.031,
10.217,
10.403,
10.588,
10.774,
10.96,
11.146,
11.331,
11.517,
11.703,
11.889,
12.074,
12.26,
12.446,
12.632,
12.817,
13.003,
13.189,
13.375,
13.56,
13.746,
13.932,
14.118,
14.303,
14.489,
14.675,
14.861,
15.047,
15.232,
15.418,
15.604,
15.79,
15.975,
16.161,
16.347,
16.533,
16.718,
16.904,
17.09,
17.276,
17.461,
17.647,
17.833,
18.019,
18.204,
18.39,
18.576,
18.762,
18.947,
19.133,
19.319,
19.505,
19.691,
19.876,
20.062,
20.248,
20.434,
20.619,
20.805,
20.991,
21.177,
21.362,
21.548,
21.734,
21.92,
22.105,
22.291,
22.477,
22.663,
22.848,
23.034,
23.22,
23.406,
23.591,
23.777,
23.963,
24.149,
24.335,
24.52,
24.706,
24.892,
25.078,
25.263,
25.449,
25.635,
25.821,
26.006,
26.192,
26.378,
26.564,
26.749,
26.935,
27.121,
27.307,
27.492,
27.678,
27.864,
28.05,
28.235,
28.421,
28.607,
28.793,
28.979,
29.164,
29.35,
29.536,
29.722,
29.907,
30.093,
30.279,
30.465,
30.65,
30.836,
31.022,
31.208,
31.393,
31.579,
31.765,
31.951,
32.136,
32.322,
32.508,
32.694,
32.879,
33.065,
33.251,
33.437,
33.622,
33.808,
33.994,
34.18,
34.366,
34.551,
34.737,
34.923,
35.109,
35.294,
35.48,
35.666,
35.852,
36.037,
36.223,
36.409,
36.595,
36.78,
36.966,
37.152,
37.338,
37.523,
37.709,
37.895,
38.081,
38.266,
38.452,
38.638,
38.824,
39.01,
39.195,
39.381,
39.567,
39.753,
39.938,
40.124,
40.31,
40.496,
40.681,
40.867,
41.053,
41.239,
41.424,
41.61,
41.796,
41.982,
42.167,
42.353,
42.539,
42.725,
42.91,
43.096,
43.282,
43.468,
43.654,
43.839,
44.025,
44.211,
44.397,
44.582,
44.768,
44.954,
45.14,
45.325,
45.511,
45.697,
45.883,
46.068,
46.254,
46.44,
46.626
],
"lanes": [
0,
0,
0,
5,
5,
5,
2,
0,
7,
8,
0,
8,
2,
0,
9,
0,
0,
8,
0,
9,
3,
0,
8,
1,
0,
9,
0,
7,
6,
7,
9,
3,
0,
8,
0,
9,
5,
0,
8,
2,
0,
9,
0,
7,
6,
0,
9,
7,
3,
9,
9,
5,
9,
3,
8,
6,
4,
9,
5,
4,
8,
6,
9,
8,
4,
8,
4,
4,
9,
4,
7,
7,
9,
9,
7,
4,
8,
4,
8,
8,
4,
8,
5,
4,
9,
6,
4,
9,
4,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
7,
9,
8,
7,
9,
7,
9,
9,
9,
9,
8,
6,
9,
7,
7,
9,
7,
9,
9,
9,
9,
8,
7,
9,
7,
8,
8,
6,
9,
9,
8,
9,
7,
9,
9,
7,
9,
9,
9,
9,
8,
9,
9,
7,
9,
9,
9,
9,
9,
9,
9,
7,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
8,
9,
8,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
7,
9,
9,
9,
9,
9,
9,
9,
7,
9,
9,
7,
9,
9,
8,
9,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
9,
7,
9,
9,
8,
9,
8,
9,
9,
9,
9,
9,
9,
9,
8,
8,
9,
7,
9,
9,
9,
9,
9,
9,
8,
7,
6,
7,
5,
6,
5,
4,
2,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 6.993
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.1284,
"at_s": 5.991,
"db_delta": -6.97,
"lanes_removed": 1.52,
"bars_held_s": 2.067,
"re_enters_at_s": 8.057
},
{
"position": 0.2045,
"at_s": 9.543,
"db_delta": -6.52,
"lanes_removed": 0.75,
"bars_held_s": 1.3,
"re_enters_at_s": 10.844
},
{
"position": 0.9333,
"at_s": 43.561,
"db_delta": -3.49,
"lanes_removed": 1.51,
"bars_held_s": 2.531,
"re_enters_at_s": 46.092
},
{
"position": 0.9592,
"at_s": 44.768,
"db_delta": -4.99,
"lanes_removed": 2.76,
"bars_held_s": 1.324,
"re_enters_at_s": 46.092
},
{
"position": 0.9851,
"at_s": 45.976,
"db_delta": -25.06,
"lanes_removed": 0.04,
"bars_held_s": 0.116,
"re_enters_at_s": 46.092
}
],
"raises": [
{
"position": 0.0129,
"start_s": 0.604,
"end_s": 0.65,
"db_delta": 123.56,
"lanes_added": 3.11,
"slope_db_per_s": 2660.649
},
{
"position": 0.1025,
"start_s": 4.783,
"end_s": 5.55,
"db_delta": 6.77,
"lanes_added": 0.88,
"slope_db_per_s": 8.83
},
{
"position": 0.1786,
"start_s": 8.336,
"end_s": 44.489,
"db_delta": 2.98,
"lanes_added": 1.56,
"slope_db_per_s": 0.083
},
{
"position": 0.2368,
"start_s": 11.053,
"end_s": 11.355,
"db_delta": 6.02,
"lanes_added": 1.4,
"slope_db_per_s": 19.928
},
{
"position": 0.2756,
"start_s": 12.864,
"end_s": 13.375,
"db_delta": 6.0,
"lanes_added": 0.94,
"slope_db_per_s": 11.75
},
{
"position": 0.3502,
"start_s": 16.347,
"end_s": 17.903,
"db_delta": 3.73,
"lanes_added": 1.52,
"slope_db_per_s": 2.398
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.441
},
{
"position": 0.9886,
"at_s": 46.138,
"duration_s": 0.534
}
],
"tuttis": [
{
"position": 0.3557,
"at_s": 16.602,
"duration_s": 1.254,
"lanes": 9
},
{
"position": 0.5687,
"at_s": 26.54,
"duration_s": 1.184,
"lanes": 9
},
{
"position": 0.6104,
"at_s": 28.491,
"duration_s": 2.786,
"lanes": 9
},
{
"position": 0.6965,
"at_s": 32.508,
"duration_s": 1.231,
"lanes": 9
},
{
"position": 0.7403,
"at_s": 34.551,
"duration_s": 1.161,
"lanes": 9
},
{
"position": 0.7831,
"at_s": 36.548,
"duration_s": 2.67,
"lanes": 9
},
{
"position": 0.8677,
"at_s": 40.496,
"duration_s": 1.231,
"lanes": 9
},
{
"position": 0.9114,
"at_s": 42.539,
"duration_s": 1.068,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0224,
"seconds": 1.044,
"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": 5,
"raises": 6,
"breaks": 2,
"tuttis": 8
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.464,
"time_to_hook_s": 0.546,
"time_to_hook_bars": 0.53,
"time_to_full_texture_s": 1.509,
"time_to_full_texture_bars": 1.48,
"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,
43.1,
43.84,
44.58,
45.33,
46.07
],
"values": [
0.0694,
0.3902,
0.5211,
0.27,
0.1961,
0.2932,
0.207,
0.4368,
0.221,
0.3748,
0.1612,
0.4268,
0.3868,
0.6657,
0.4893,
0.6257,
0.4891,
0.6602,
0.6204,
0.6144,
0.4502,
0.6005,
0.5068,
0.7827,
0.793,
0.6911,
0.6483,
0.6637,
0.6857,
0.7249,
0.7322,
0.6661,
0.737,
0.7429,
0.7303,
0.754,
0.7226,
0.7265,
0.7305,
0.7362,
0.763,
0.7432,
0.7223,
0.7107,
0.6854,
0.718,
0.7258,
0.7587,
0.7098,
0.6728,
0.7184,
0.7549,
0.7281,
0.6438,
0.717,
0.7089,
0.7698,
0.635,
0.6418,
0.5496,
0.4195,
0.1967,
0.1016
],
"peak_position_normalised": 0.3811
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.0217,
"bars": 45,
"index_per_bar": [
0.4462,
0.5344,
0.6383,
0.623,
0.5967,
0.7936,
0.6475,
0.6412,
0.7542,
0.863,
0.8152,
0.8711,
0.7982,
0.8924,
0.8248,
0.8288,
0.9642,
0.9557,
0.9212,
0.9579,
0.9228,
0.9476,
0.9102,
0.949,
0.9599,
0.9603,
1.0,
0.9635,
0.9908,
0.987,
0.9731,
0.9699,
0.9983,
0.9542,
0.9892,
0.9626,
0.9804,
0.9895,
0.9741,
0.9738,
0.986,
0.9571,
0.9637,
0.7593,
0.2882
],
"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": 5,
"at_s": 5.11,
"delta": 0.197,
"at_section_boundary": true
},
{
"bar": 43,
"at_s": 43.93,
"delta": -0.204,
"at_section_boundary": false
},
{
"bar": 44,
"at_s": 44.95,
"delta": -0.471,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 1,
"steps_total": 3,
"boundary_step_share": 0.333,
"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": 1.2,
"melodic_salience": 0.6687,
"voiced_fraction": 0.2074,
"note_count": 56,
"mean_lanes": 6.993,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 21.94,
"peak_position_normalised": 0.3697,
"peak_at_s": 17.252,
"arc_curve_db": [
-62.73,
-76.03,
-23.79,
-24.71,
-26.13,
-26.62,
-26.05,
-20.17,
-20.07,
-25.74,
-25.67,
-24.36,
-18.24,
-16.67,
-20.02,
-17.03,
-16.76,
-17.53,
-15.91,
-16.88,
-18.24,
-17.57,
-14.38,
-10.98,
-11.7,
-14.34,
-13.91,
-13.73,
-13.13,
-12.45,
-13.49,
-13.99,
-13.56,
-13.58,
-12.4,
-12.26,
-12.84,
-13.05,
-13.3,
-12.88,
-12.69,
-12.67,
-13.58,
-13.95,
-12.02,
-11.48,
-12.77,
-12.88,
-13.4,
-13.27,
-12.51,
-12.62,
-13.15,
-13.47,
-13.28,
-11.68,
-12.08,
-13.83,
-15.26,
-18.75,
-23.61,
-32.07,
-48.28
],
"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,
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
]
},
"register": {
"melody_span_semitones": 38.0,
"melody_tessitura_midi": 38.0,
"bass_floor_band": {
"sub": 0.0193,
"low_bass": 0.3964,
"bass": 0.1987,
"low_mid": 0.09416,
"mid": 0.05791,
"upper_mid": 0.05601,
"presence": 0.03921,
"brilliance": 0.07144,
"air": 0.0635,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.0193,
"low_bass": 0.3964,
"bass": 0.1987,
"low_mid": 0.09416,
"mid": 0.05791,
"upper_mid": 0.05601,
"presence": 0.03921,
"brilliance": 0.07144,
"air": 0.0635,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.07088,
"seam_ratio": 14.109,
"seam_clean": false,
"tail_rms_over_mid": 0.0002,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8982,
"head_rms_trend": 0.0946,
"baked_fade_out": true,
"baked_fade_in": false
},
"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": 3336.6,
"spectral_centroid_curve_hz": [
0.0,
2445.5,
3191.3,
2406.1,
2907.6,
2396.0,
2020.3,
1281.0,
1699.4,
2194.3,
1798.9,
2204.9,
2174.7,
3308.5,
4729.1,
4255.8,
4726.7,
3535.9,
2376.1,
3069.2,
3903.1,
2049.4,
2726.5,
3753.3,
4206.0,
3184.0,
4314.4,
2495.4,
4583.5,
3376.3,
4889.7,
3540.3,
4445.6,
3589.2,
3338.8,
3662.3,
3567.6,
3762.2,
3838.4,
3746.1,
4309.6,
4097.8,
3726.6,
4521.6,
1750.8,
2656.5,
3061.2,
4667.5,
3244.8,
4402.6,
3311.1,
4190.6,
3625.9,
3846.4,
3537.4,
2401.5,
4186.2,
3554.8,
2948.2,
4041.8,
3090.8,
4633.8,
2618.2
],
"spectral_rolloff85_hz_mean": 6812.1,
"spectral_flatness_mean": 0.0973,
"signature_colour": "bright"
}
}
}