music/exemplars/formula_cards/UNMATCHED__38_-_Sleepy_s_Theme.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__38_-_Sleepy_s_Theme",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\Okami Original Soundtrack Vol. 1\\Okami Original Soundtrack Vol. 1 [MP3]\\38 - Sleepy's Theme.mp3",
"sha256": "1bc93a0af4fa6b212bb6703573c33b67d9bb60f531ded006ba0198d1344bfa40",
"bytes": 1505924,
"source_format": "mp3",
"source_codec": "mp3",
"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": "2026-08-06T22:29:58+00:00",
"format_induced_limit": "lossy source (mp3); 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": 44.053,
"section_boundaries_s": [
0.0,
3.901,
11.889,
19.83,
27.864,
35.805,
42.307,
44.053
],
"section_count": 7,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.96,
"is_repeat": true
},
{
"section": 2,
"most_like_section": 1,
"similarity": 0.9888,
"is_repeat": true
},
{
"section": 3,
"most_like_section": 1,
"similarity": 1.0,
"is_repeat": true
},
{
"section": 4,
"most_like_section": 2,
"similarity": 1.0,
"is_repeat": true
},
{
"section": 5,
"most_like_section": 1,
"similarity": 0.9698,
"is_repeat": true
},
{
"section": 6,
"most_like_section": 0,
"similarity": 0.7965,
"is_repeat": false
}
],
"novelty_peak_strength": [
0.5651,
0.5959,
0.5521,
0.5958,
0.552,
1.0
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 89.1,
"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
],
"curve_bpm": [
172.27,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
89.1,
89.1,
92.29,
92.29,
92.29,
92.29,
92.29,
92.29,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
184.57,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
89.1,
89.1,
89.1,
89.1,
92.29,
92.29,
92.29,
92.29,
92.29,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
184.57,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
60.09,
89.1,
89.1,
89.1,
184.57,
184.57,
184.57,
184.57,
184.57,
184.57,
184.57,
184.57
],
"adjustment_events": [
{
"position_s": 3.07,
"duration_s": 5.57,
"delta_bpm": -21.33,
"shape": "step"
},
{
"position_s": 10.36,
"duration_s": 4.37,
"delta_bpm": -23.33,
"shape": "step"
},
{
"position_s": 14.86,
"duration_s": 1.93,
"delta_bpm": 15.76,
"shape": "step"
},
{
"position_s": 19.11,
"duration_s": 5.39,
"delta_bpm": -20.85,
"shape": "step"
},
{
"position_s": 26.24,
"duration_s": 4.62,
"delta_bpm": -23.64,
"shape": "step"
},
{
"position_s": 35.02,
"duration_s": 5.11,
"delta_bpm": -22.23,
"shape": "step"
},
{
"position_s": 40.26,
"duration_s": 3.78,
"delta_bpm": 63.69,
"shape": "step"
}
],
"dispersion_bpm": 35.071,
"rubato_depth_bpm": 32.192
},
"global_bpm": 89.1,
"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": 89.1,
"tempo_bpm_median_local": 92.29,
"tempo_iqr_bpm": 3.18,
"tempo_stability": 0.8621,
"beat_interval_cv": 0.0276
},
"dominant_onset_period_s": 1.9969,
"dominant_onset_period_bpm": 30.05,
"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": 0.645,
"onset_rate_per_s": 10.778
}
},
"tonality": {
"key": "D",
"mode": "major",
"windowed_key_agreement": 0.3636,
"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": 0.418,
"onset_bars": 0.16,
"pitch_contour": "UDUDDDUDDDDUDDU",
"interval_vocabulary_semitones": [
2,
3,
5,
10,
12,
14,
19
],
"intervals": [
19.0,
-3.0,
12.0,
-12.0,
-2.0,
-14.0,
19.0,
-3.0,
-2.0,
-2.0,
-10.0,
12.0,
-5.0,
-2.0,
2.0
],
"range_semitones": 28.0,
"distinctive_deviation": {
"largest_interval_semitones": 19.0,
"at_note_index": 1,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.963,
"self_similarity_baseline": 0.6256,
"self_similarity_lift": 0.3373,
"recurrence_lag_s": 15.975,
"interval_3gram_repetition": 0.5702,
"interval_4gram_repetition": 0.5583
},
"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": 0.395,
"exit_s": 39.126,
"active_fraction": 0.8793,
"segments": [
[
0.395,
39.126
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.418,
"exit_s": 35.062,
"active_fraction": 0.2945,
"segments": [
[
0.418,
1.115
],
[
2.415,
3.065
],
[
8.382,
9.125
],
[
10.379,
10.937
],
[
12.051,
12.725
],
[
15.395,
17.113
],
[
18.413,
19.133
],
[
24.381,
25.124
],
[
26.378,
26.912
],
[
28.05,
28.63
],
[
30.743,
31.254
],
[
31.44,
33.112
],
[
34.412,
35.062
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.395,
"exit_s": 38.777,
"active_fraction": 0.7613,
"segments": [
[
0.395,
1.927
],
[
2.392,
3.924
],
[
4.389,
7.895
],
[
8.382,
10.008
],
[
10.403,
13.793
],
[
14.002,
17.926
],
[
18.413,
19.9
],
[
20.387,
23.893
],
[
24.381,
25.658
],
[
26.378,
29.768
],
[
29.977,
33.901
],
[
34.389,
35.596
],
[
36.386,
38.777
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.418,
"exit_s": 39.427,
"active_fraction": 0.8857,
"segments": [
[
0.418,
39.427
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.418,
"exit_s": 40.565,
"active_fraction": 0.9115,
"segments": [
[
0.418,
40.565
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.441,
"exit_s": 40.681,
"active_fraction": 0.9136,
"segments": [
[
0.441,
40.681
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.441,
"exit_s": 38.801,
"active_fraction": 0.8867,
"segments": [
[
0.441,
37.268
],
[
37.454,
38.801
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.464,
"exit_s": 39.219,
"active_fraction": 0.8209,
"segments": [
[
0.464,
2.183
],
[
2.345,
5.48
],
[
5.735,
9.52
],
[
9.752,
13.56
],
[
13.746,
21.478
],
[
21.734,
25.496
],
[
25.728,
29.536
],
[
29.745,
34.157
],
[
34.342,
36.084
],
[
36.339,
37.338
],
[
38.475,
39.219
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.418,
"exit_s": 37.198,
"active_fraction": 0.6728,
"segments": [
[
0.418,
1.44
],
[
2.415,
3.483
],
[
4.435,
5.433
],
[
6.339,
7.454
],
[
7.755,
9.427
],
[
10.449,
12.237
],
[
12.423,
13.375
],
[
13.746,
17.438
],
[
18.413,
19.458
],
[
20.434,
21.386
],
[
22.314,
23.452
],
[
23.731,
25.426
],
[
26.424,
28.212
],
[
28.421,
29.373
],
[
29.745,
33.437
],
[
34.412,
35.41
],
[
36.432,
37.198
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.3349,
"sub|bass": 0.8624,
"sub|low_mid": 0.9917,
"sub|mid": 0.9636,
"sub|upper_mid": 0.9603,
"sub|presence": 0.9683,
"sub|brilliance": 0.9289,
"sub|air": 0.7651,
"low_bass|bass": 0.3859,
"low_bass|low_mid": 0.3325,
"low_bass|mid": 0.3231,
"low_bass|upper_mid": 0.3216,
"low_bass|presence": 0.3314,
"low_bass|brilliance": 0.3571,
"low_bass|air": 0.4101,
"bass|low_mid": 0.8585,
"bass|mid": 0.8342,
"bass|upper_mid": 0.8312,
"bass|presence": 0.8487,
"bass|brilliance": 0.8222,
"bass|air": 0.7516,
"low_mid|mid": 0.9717,
"low_mid|upper_mid": 0.9683,
"low_mid|presence": 0.9765,
"low_mid|brilliance": 0.9268,
"low_mid|air": 0.7597,
"mid|upper_mid": 0.9965,
"mid|presence": 0.9717,
"mid|brilliance": 0.9006,
"mid|air": 0.7382,
"upper_mid|presence": 0.9706,
"upper_mid|brilliance": 0.8985,
"upper_mid|air": 0.7354,
"presence|brilliance": 0.9098,
"presence|air": 0.7536,
"brilliance|air": 0.8161
},
"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
],
"lanes": [
0,
0,
0,
9,
9,
9,
9,
8,
7,
7,
8,
7,
5,
9,
9,
9,
9,
8,
8,
7,
7,
8,
6,
6,
9,
9,
8,
8,
8,
8,
6,
8,
8,
7,
7,
9,
8,
8,
8,
8,
8,
7,
8,
7,
7,
7,
9,
9,
9,
9,
8,
7,
6,
8,
7,
6,
8,
9,
9,
8,
8,
8,
8,
8,
8,
9,
8,
9,
9,
8,
8,
8,
8,
7,
8,
7,
9,
8,
8,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
7,
7,
8,
7,
6,
6,
9,
9,
9,
9,
8,
7,
7,
8,
7,
6,
9,
9,
8,
8,
8,
8,
6,
8,
8,
7,
7,
9,
8,
8,
8,
8,
8,
7,
8,
7,
7,
7,
9,
9,
9,
9,
8,
7,
6,
8,
8,
6,
8,
9,
9,
8,
8,
8,
8,
8,
8,
9,
8,
9,
9,
8,
8,
8,
8,
7,
6,
7,
9,
9,
8,
8,
9,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
8,
7,
8,
7,
5,
6,
9,
9,
9,
8,
8,
7,
6,
7,
6,
5,
8,
8,
8,
8,
8,
6,
6,
6,
7,
6,
6,
7,
8,
6,
5,
6,
4,
3,
2,
2,
2,
3,
3,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 7.026
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.8808,
"at_s": 38.801,
"db_delta": -2.34,
"lanes_removed": 1.62,
"bars_held_s": 4.667,
"re_enters_at_s": 43.468
},
{
"position": 0.9187,
"at_s": 40.472,
"db_delta": -5.33,
"lanes_removed": 1.53,
"bars_held_s": 2.995,
"re_enters_at_s": 43.468
},
{
"position": 0.9461,
"at_s": 41.68,
"db_delta": -16.53,
"lanes_removed": -0.0,
"bars_held_s": 1.788,
"re_enters_at_s": 43.468
},
{
"position": 0.9735,
"at_s": 42.887,
"db_delta": -29.94,
"lanes_removed": -0.0,
"bars_held_s": 0.488,
"re_enters_at_s": 43.375
}
],
"raises": [
{
"position": 0.0137,
"start_s": 0.604,
"end_s": 9.149,
"db_delta": 92.31,
"lanes_added": 6.17,
"slope_db_per_s": 10.803
},
{
"position": 0.0522,
"start_s": 2.299,
"end_s": 3.042,
"db_delta": 2.55,
"lanes_added": 1.52,
"slope_db_per_s": 3.435
},
{
"position": 0.1892,
"start_s": 8.336,
"end_s": 8.499,
"db_delta": 0.99,
"lanes_added": 1.5,
"slope_db_per_s": 6.101
},
{
"position": 0.2356,
"start_s": 10.379,
"end_s": 12.934,
"db_delta": 0.62,
"lanes_added": 1.53,
"slope_db_per_s": 0.241
},
{
"position": 0.4159,
"start_s": 18.321,
"end_s": 19.087,
"db_delta": 2.64,
"lanes_added": 1.55,
"slope_db_per_s": 3.443
},
{
"position": 0.5529,
"start_s": 24.358,
"end_s": 24.52,
"db_delta": 0.85,
"lanes_added": 1.52,
"slope_db_per_s": 5.249
},
{
"position": 0.5982,
"start_s": 26.355,
"end_s": 28.932,
"db_delta": 0.65,
"lanes_added": 1.51,
"slope_db_per_s": 0.252
},
{
"position": 0.7785,
"start_s": 34.296,
"end_s": 34.876,
"db_delta": 2.19,
"lanes_added": 1.6,
"slope_db_per_s": 3.769
},
{
"position": 0.8238,
"start_s": 36.293,
"end_s": 36.571,
"db_delta": 0.7,
"lanes_added": 1.59,
"slope_db_per_s": 2.51
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.348
},
{
"position": 0.9435,
"at_s": 41.564,
"duration_s": 2.485
}
],
"tuttis": [
{
"position": 0.3352,
"at_s": 14.768,
"duration_s": 2.345,
"lanes": 9
},
{
"position": 0.7137,
"at_s": 31.44,
"duration_s": 1.672,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0653,
"seconds": 2.878,
"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": 9,
"breaks": 2,
"tuttis": 2
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.395,
"time_to_hook_s": 0.418,
"time_to_hook_bars": 0.16,
"time_to_full_texture_s": 0.464,
"time_to_full_texture_bars": 0.17,
"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
],
"values": [
0.0625,
0.5025,
0.4959,
0.4337,
0.5911,
0.5335,
0.6048,
0.5713,
0.5725,
0.602,
0.6073,
0.5745,
0.6052,
0.4772,
0.569,
0.608,
0.6186,
0.6227,
0.5675,
0.6234,
0.6273,
0.5834,
0.5615,
0.5696,
0.5452,
0.5916,
0.5675,
0.5329,
0.5717,
0.4931,
0.5372,
0.6093,
0.6193,
0.6294,
0.5681,
0.5554,
0.639,
0.6265,
0.6156,
0.5775,
0.4966,
0.5844,
0.5998,
0.5694,
0.5598,
0.5331,
0.4184,
0.5642,
0.4436,
0.4903,
0.469,
0.4012,
0.4205,
0.2393,
0.142,
0.0409,
0.0281,
0.1465,
0.0,
0.0
],
"peak_position_normalised": 0.6378
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.6936,
"bars": 16,
"index_per_bar": [
0.8544,
0.9415,
0.9262,
0.9456,
0.9726,
0.9885,
0.9625,
0.9287,
0.9287,
0.9547,
0.9546,
1.0,
0.9573,
0.8777,
0.6739,
0.1385
],
"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": 14,
"at_s": 37.71,
"delta": -0.204,
"at_section_boundary": true
},
{
"bar": 15,
"at_s": 40.4,
"delta": -0.535,
"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": 2.815,
"melodic_salience": 0.8792,
"voiced_fraction": 0.6171,
"note_count": 124,
"mean_lanes": 7.026,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 19.79,
"peak_position_normalised": 0.6326,
"peak_at_s": 27.864,
"arc_curve_db": [
-49.22,
-56.45,
-15.05,
-13.98,
-13.12,
-13.33,
-12.75,
-13.17,
-12.87,
-11.88,
-11.79,
-11.51,
-13.26,
-14.95,
-14.09,
-12.07,
-10.8,
-12.28,
-13.78,
-12.81,
-12.39,
-14.6,
-15.47,
-14.65,
-14.26,
-13.33,
-13.4,
-13.18,
-12.71,
-13.11,
-12.76,
-11.4,
-11.41,
-12.44,
-14.0,
-14.49,
-12.47,
-11.3,
-11.96,
-13.93,
-13.34,
-11.86,
-13.27,
-15.12,
-14.92,
-14.94,
-14.57,
-14.24,
-15.41,
-16.22,
-18.1,
-19.86,
-21.56,
-24.84,
-29.11,
-37.58,
-54.46,
-126.52,
-193.33,
-129.23
],
"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
]
},
"register": {
"melody_span_semitones": 28.0,
"melody_tessitura_midi": 57.0,
"bass_floor_band": {
"sub": 3e-05,
"low_bass": 0.00253,
"bass": 0.06968,
"low_mid": 0.37564,
"mid": 0.46889,
"upper_mid": 0.08105,
"presence": 0.002,
"brilliance": 0.00013,
"air": 0.0,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 3e-05,
"low_bass": 0.00253,
"bass": 0.06968,
"low_mid": 0.37564,
"mid": 0.46889,
"upper_mid": 0.08105,
"presence": 0.002,
"brilliance": 0.00013,
"air": 0.0,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.0479,
"seam_ratio": 20.878,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": 0.0,
"head_rms_trend": 0.6714,
"baked_fade_out": false,
"baked_fade_in": true
},
"ending": "through_or_loop",
"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": 668.0,
"spectral_centroid_curve_hz": [
0.0,
611.8,
695.5,
648.0,
584.6,
762.0,
574.6,
591.3,
681.1,
650.1,
627.9,
733.1,
693.9,
664.8,
652.6,
703.6,
690.5,
667.1,
671.1,
795.3,
795.9,
519.2,
493.5,
778.1,
804.1,
535.7,
664.7,
701.8,
752.4,
613.8,
604.5,
606.9,
745.9,
636.0,
637.8,
754.2,
770.1,
661.7,
522.0,
598.1,
668.5,
637.6,
601.4,
518.2,
567.7,
702.1,
651.4,
573.6,
775.9,
602.3,
594.2,
674.2,
667.8,
626.3,
727.0,
735.0,
710.5,
4745.2,
0.0,
0.0
],
"spectral_rolloff85_hz_mean": 979.8,
"spectral_flatness_mean": 0.04572,
"signature_colour": "dark"
}
}
}