music/exemplars/formula_cards/UNMATCHED__97_The_Underground.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__97_The_Underground",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Diamond & Pokémon Pearl_ Super M\\97 The Underground.m4a",
"sha256": "6c751208bf531cecb6c3c1798be275d9d1b72de1c41863d61302d97b46d389e2",
"bytes": 3353885,
"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": "2026-08-07T03:36:22+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": 84.68,
"section_boundaries_s": [
0.0,
5.851,
41.796,
47.926,
57.957,
66.038,
72.911,
84.68
],
"section_count": 7,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.9776,
"is_repeat": true
},
{
"section": 2,
"most_like_section": 1,
"similarity": 0.9813,
"is_repeat": true
},
{
"section": 3,
"most_like_section": 2,
"similarity": 0.9829,
"is_repeat": true
},
{
"section": 4,
"most_like_section": 2,
"similarity": 0.9577,
"is_repeat": true
},
{
"section": 5,
"most_like_section": 4,
"similarity": 0.9921,
"is_repeat": true
},
{
"section": 6,
"most_like_section": 0,
"similarity": 0.9912,
"is_repeat": true
}
],
"novelty_peak_strength": [
0.4296,
0.653,
0.8367,
0.7633,
1.0,
0.7148
],
"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,
46.81,
47.18,
47.55,
47.93,
48.3,
48.67,
49.04,
49.41,
49.78,
50.16,
50.53,
50.9,
51.27,
51.64,
52.01,
52.38,
52.76,
53.13,
53.5,
53.87,
54.24,
54.61,
54.98,
55.36,
55.73,
56.1,
56.47,
56.84,
57.21,
57.59,
57.96,
58.33,
58.7,
59.07,
59.44,
59.81,
60.19,
60.56,
60.93,
61.3,
61.67,
62.04,
62.42,
62.79,
63.16,
63.53,
63.9,
64.27,
64.64,
65.02,
65.39,
65.76,
66.13,
66.5,
66.87,
67.24,
67.62,
67.99,
68.36,
68.73,
69.1,
69.47,
69.85,
70.22,
70.59,
70.96,
71.33,
71.7,
72.07,
72.45,
72.82,
73.19,
73.56,
73.93,
74.3,
74.68,
75.05,
75.42,
75.79,
76.16,
76.53,
76.9,
77.28,
77.65,
78.02,
78.39,
78.76,
79.13,
79.51,
79.88,
80.25,
80.62,
80.99,
81.36,
81.73,
82.11,
82.48,
82.85,
83.22,
83.59,
83.96,
84.33
],
"curve_bpm": [
136.0,
117.45,
117.45,
117.45,
117.45,
117.45,
117.45,
117.45,
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,
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,
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,
80.75,
80.75,
80.75,
80.75,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
234.91,
234.91,
117.45,
117.45,
80.75,
80.75,
80.75,
80.75,
234.91,
234.91,
234.91,
234.91,
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,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
234.91,
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,
234.91,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
80.75,
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": 7.36,
"delta_bpm": -107.62,
"shape": "ramp"
},
{
"position_s": 32.58,
"duration_s": 3.3,
"delta_bpm": -57.09,
"shape": "step"
},
{
"position_s": 37.69,
"duration_s": 3.04,
"delta_bpm": -52.06,
"shape": "step"
},
{
"position_s": 42.68,
"duration_s": 21.22,
"delta_bpm": -96.03,
"shape": "step"
},
{
"position_s": 65.48,
"duration_s": 12.72,
"delta_bpm": -138.9,
"shape": "step"
}
],
"dispersion_bpm": 70.506,
"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": 0.0341
},
"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": 0.489,
"onset_rate_per_s": 10.77
}
},
"tonality": {
"key": "B",
"mode": "major",
"windowed_key_agreement": 0.4286,
"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": 0.557,
"onset_bars": 0.55,
"pitch_contour": "DUDDUD-U-DU----",
"interval_vocabulary_semitones": [
0,
2,
7,
11,
15,
19,
34
],
"intervals": [
-34.0,
15.0,
-19.0,
-2.0,
11.0,
-7.0,
0.0,
7.0,
0.0,
-7.0,
7.0,
0.0,
0.0,
0.0,
0.0
],
"range_semitones": 40.0,
"distinctive_deviation": {
"largest_interval_semitones": -34.0,
"at_note_index": 1,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.8979,
"self_similarity_baseline": 0.8564,
"self_similarity_lift": 0.0415,
"recurrence_lag_s": 0.975,
"interval_3gram_repetition": 0.2857,
"interval_4gram_repetition": 0.1731
},
"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": 7.361,
"exit_s": 77.253,
"active_fraction": 0.2523,
"segments": [
[
7.361,
7.988
],
[
27.864,
28.375
],
[
35.875,
36.386
],
[
39.845,
42.469
],
[
42.632,
44.141
],
[
44.629,
45.349
],
[
45.604,
46.37
],
[
46.602,
47.322
],
[
50.62,
51.293
],
[
52.616,
53.499
],
[
54.637,
55.24
],
[
56.633,
57.307
],
[
74.629,
75.256
],
[
76.626,
77.253
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 1.347,
"exit_s": 80.039,
"active_fraction": 0.5372,
"segments": [
[
1.347,
2.02
],
[
5.364,
5.968
],
[
7.361,
8.034
],
[
9.358,
10.008
],
[
21.362,
22.036
],
[
25.356,
26.03
],
[
26.355,
27.028
],
[
27.864,
28.398
],
[
35.875,
37.013
],
[
39.358,
42.446
],
[
42.609,
44.257
],
[
44.606,
48.181
],
[
48.599,
50.178
],
[
50.62,
52.315
],
[
52.616,
55.403
],
[
55.635,
57.678
],
[
61.835,
62.555
],
[
69.846,
70.565
],
[
73.63,
75.442
],
[
75.604,
77.415
],
[
79.366,
80.039
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 1.277,
"exit_s": 82.129,
"active_fraction": 0.9035,
"segments": [
[
1.277,
2.995
],
[
3.251,
4.017
],
[
4.342,
4.992
],
[
5.341,
10.681
],
[
10.844,
18.692
],
[
19.853,
22.686
],
[
22.848,
23.684
],
[
23.847,
30.697
],
[
30.859,
31.695
],
[
31.858,
32.694
],
[
32.856,
34.691
],
[
34.853,
35.689
],
[
35.852,
37.686
],
[
37.849,
44.257
],
[
44.606,
46.417
],
[
46.602,
48.274
],
[
48.599,
50.225
],
[
50.596,
52.222
],
[
52.616,
80.225
],
[
80.852,
82.129
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.859,
"exit_s": 82.384,
"active_fraction": 0.963,
"segments": [
[
0.859,
82.384
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.488,
"exit_s": 81.34,
"active_fraction": 0.9589,
"segments": [
[
0.488,
81.34
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.348,
"exit_s": 81.966,
"active_fraction": 0.9698,
"segments": [
[
0.348,
81.966
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.348,
"exit_s": 81.85,
"active_fraction": 0.9624,
"segments": [
[
0.348,
1.927
],
[
2.09,
80.968
],
[
81.131,
81.85
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.348,
"exit_s": 80.271,
"active_fraction": 0.9427,
"segments": [
[
0.348,
1.765
],
[
2.252,
8.313
],
[
8.452,
80.271
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.348,
"exit_s": 80.318,
"active_fraction": 0.9479,
"segments": [
[
0.348,
1.881
],
[
2.229,
80.318
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.4577,
"sub|bass": 0.2792,
"sub|low_mid": 0.262,
"sub|mid": 0.2631,
"sub|upper_mid": 0.2601,
"sub|presence": 0.2621,
"sub|brilliance": 0.2676,
"sub|air": 0.2661,
"low_bass|bass": 0.5883,
"low_bass|low_mid": 0.5578,
"low_bass|mid": 0.5602,
"low_bass|upper_mid": 0.5539,
"low_bass|presence": 0.5563,
"low_bass|brilliance": 0.5648,
"low_bass|air": 0.564,
"bass|low_mid": 0.9382,
"bass|mid": 0.9312,
"bass|upper_mid": 0.9283,
"bass|presence": 0.9261,
"bass|brilliance": 0.9133,
"bass|air": 0.9176,
"low_mid|mid": 0.9867,
"low_mid|upper_mid": 0.9896,
"low_mid|presence": 0.987,
"low_mid|brilliance": 0.9666,
"low_mid|air": 0.972,
"mid|upper_mid": 0.9887,
"mid|presence": 0.9895,
"mid|brilliance": 0.9797,
"mid|air": 0.9852,
"upper_mid|presence": 0.9924,
"upper_mid|brilliance": 0.972,
"upper_mid|air": 0.9774,
"presence|brilliance": 0.9795,
"presence|air": 0.9849,
"brilliance|air": 0.9945
},
"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,
46.811,
46.997,
47.183,
47.369,
47.554,
47.74,
47.926,
48.112,
48.298,
48.483,
48.669,
48.855,
49.041,
49.226,
49.412,
49.598,
49.784,
49.969,
50.155,
50.341,
50.527,
50.712,
50.898,
51.084,
51.27,
51.455,
51.641,
51.827,
52.013,
52.198,
52.384,
52.57,
52.756,
52.941,
53.127,
53.313,
53.499,
53.685,
53.87,
54.056,
54.242,
54.428,
54.613,
54.799,
54.985,
55.171,
55.356,
55.542,
55.728,
55.914,
56.099,
56.285,
56.471,
56.657,
56.842,
57.028,
57.214,
57.4,
57.585,
57.771,
57.957,
58.143,
58.329,
58.514,
58.7,
58.886,
59.072,
59.257,
59.443,
59.629,
59.815,
60.0,
60.186,
60.372,
60.558,
60.743,
60.929,
61.115,
61.301,
61.486,
61.672,
61.858,
62.044,
62.229,
62.415,
62.601,
62.787,
62.973,
63.158,
63.344,
63.53,
63.716,
63.901,
64.087,
64.273,
64.459,
64.644,
64.83,
65.016,
65.202,
65.387,
65.573,
65.759,
65.945,
66.13,
66.316,
66.502,
66.688,
66.873,
67.059,
67.245,
67.431,
67.617,
67.802,
67.988,
68.174,
68.36,
68.545,
68.731,
68.917,
69.103,
69.288,
69.474,
69.66,
69.846,
70.031,
70.217,
70.403,
70.589,
70.774,
70.96,
71.146,
71.332,
71.517,
71.703,
71.889,
72.075,
72.26,
72.446,
72.632,
72.818,
73.004,
73.189,
73.375,
73.561,
73.747,
73.932,
74.118,
74.304,
74.49,
74.675,
74.861,
75.047,
75.233,
75.418,
75.604,
75.79,
75.976,
76.161,
76.347,
76.533,
76.719,
76.904,
77.09,
77.276,
77.462,
77.648,
77.833,
78.019,
78.205,
78.391,
78.576,
78.762,
78.948,
79.134,
79.319,
79.505,
79.691,
79.877,
80.062,
80.248,
80.434,
80.62,
80.805,
80.991,
81.177,
81.363,
81.548,
81.734,
81.92,
82.106,
82.292,
82.477,
82.663,
82.849,
83.035,
83.22,
83.406,
83.592,
83.778,
83.963,
84.149,
84.335,
84.521
],
"lanes": [
0,
0,
4,
5,
5,
6,
6,
7,
9,
8,
7,
4,
6,
9,
7,
7,
8,
6,
7,
8,
7,
8,
6,
6,
9,
8,
7,
7,
6,
9,
8,
8,
8,
7,
7,
8,
7,
8,
7,
7,
9,
9,
9,
9,
7,
6,
7,
7,
8,
7,
7,
8,
8,
8,
7,
7,
8,
7,
6,
9,
7,
7,
7,
7,
9,
7,
7,
7,
7,
7,
7,
7,
8,
7,
8,
9,
7,
7,
8,
7,
9,
7,
7,
8,
7,
7,
9,
7,
7,
7,
7,
8,
7,
7,
9,
9,
8,
8,
7,
9,
7,
6,
8,
7,
6,
7,
7,
8,
7,
7,
7,
7,
7,
9,
7,
9,
8,
8,
9,
7,
7,
8,
7,
7,
7,
7,
8,
7,
6,
9,
7,
7,
7,
7,
9,
7,
7,
8,
8,
9,
8,
7,
8,
8,
9,
9,
7,
7,
8,
7,
9,
9,
9,
7,
7,
7,
9,
7,
7,
7,
7,
8,
7,
7,
9,
7,
6,
8,
7,
9,
7,
6,
8,
7,
7,
7,
7,
9,
7,
7,
9,
8,
9,
9,
7,
7,
7,
6,
9,
7,
7,
8,
7,
7,
9,
9,
8,
8,
9,
9,
7,
7,
7,
6,
9,
7,
7,
8,
7,
7,
8,
7,
8,
8,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
7,
9,
9,
9,
9,
9,
9,
9,
9,
8,
6,
6,
9,
9,
9,
9,
8,
9,
9,
9,
9,
7,
9,
9,
9,
9,
8,
8,
8,
9,
8,
6,
6,
9,
9,
9,
8,
8,
8,
8,
9,
8,
6,
6,
9,
9,
9,
9,
8,
8,
8,
9,
8,
6,
6,
9,
9,
9,
9,
9,
8,
9,
8,
8,
8,
8,
9,
9,
9,
8,
7,
8,
9,
8,
8,
8,
9,
9,
9,
9,
8,
8,
7,
8,
8,
7,
8,
7,
8,
8,
7,
8,
8,
7,
8,
7,
8,
8,
7,
8,
8,
7,
7,
7,
8,
8,
8,
8,
7,
7,
7,
8,
8,
7,
7,
8,
8,
7,
8,
8,
7,
8,
8,
7,
7,
7,
8,
8,
7,
8,
7,
7,
8,
7,
7,
7,
7,
8,
7,
7,
8,
7,
8,
8,
7,
8,
7,
8,
8,
8,
8,
7,
8,
8,
7,
7,
7,
7,
8,
8,
7,
8,
7,
7,
8,
8,
7,
7,
8,
9,
8,
8,
8,
9,
9,
9,
9,
8,
8,
8,
9,
8,
8,
8,
9,
9,
9,
8,
7,
8,
8,
7,
7,
8,
7,
7,
9,
7,
7,
9,
8,
9,
7,
6,
5,
7,
6,
4,
5,
4,
5,
4,
3,
2,
3,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 7.438
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.0214,
"at_s": 1.811,
"db_delta": -4.88,
"lanes_removed": 1.83,
"bars_held_s": 1.393,
"re_enters_at_s": 3.204
},
{
"position": 0.0935,
"at_s": 7.918,
"db_delta": -4.09,
"lanes_removed": 1.56,
"bars_held_s": 0.511,
"re_enters_at_s": 8.429
},
{
"position": 0.5191,
"at_s": 43.955,
"db_delta": -1.9,
"lanes_removed": 1.5,
"bars_held_s": 0.441,
"re_enters_at_s": 44.397
},
{
"position": 0.9433,
"at_s": 79.877,
"db_delta": -5.13,
"lanes_removed": 1.57,
"bars_held_s": 4.203,
"re_enters_at_s": 84.079
},
{
"position": 0.9636,
"at_s": 81.595,
"db_delta": -2.84,
"lanes_removed": 1.51,
"bars_held_s": 2.485,
"re_enters_at_s": 84.079
},
{
"position": 0.9778,
"at_s": 82.802,
"db_delta": -8.65,
"lanes_removed": 1.34,
"bars_held_s": 1.277,
"re_enters_at_s": 84.079
},
{
"position": 0.9921,
"at_s": 84.01,
"db_delta": -14.06,
"lanes_removed": -0.0,
"bars_held_s": 0.046,
"re_enters_at_s": 84.056
}
],
"raises": [
{
"position": 0.0071,
"start_s": 0.604,
"end_s": 79.946,
"db_delta": 61.2,
"lanes_added": 3.7,
"slope_db_per_s": 0.771
},
{
"position": 0.4234,
"start_s": 35.852,
"end_s": 36.804,
"db_delta": 2.29,
"lanes_added": 1.52,
"slope_db_per_s": 2.407
},
{
"position": 0.5739,
"start_s": 48.599,
"end_s": 49.087,
"db_delta": 3.85,
"lanes_added": 1.58,
"slope_db_per_s": 7.889
},
{
"position": 0.597,
"start_s": 50.55,
"end_s": 50.968,
"db_delta": 1.61,
"lanes_added": 1.52,
"slope_db_per_s": 3.852
},
{
"position": 0.6211,
"start_s": 52.593,
"end_s": 52.895,
"db_delta": 3.52,
"lanes_added": 1.51,
"slope_db_per_s": 11.65
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.302
},
{
"position": 0.9861,
"at_s": 83.499,
"duration_s": 1.161
}
],
"tuttis": [
{
"position": 0.4705,
"at_s": 39.845,
"duration_s": 2.531,
"lanes": 9
},
{
"position": 0.5043,
"at_s": 42.701,
"duration_s": 1.416,
"lanes": 9
},
{
"position": 0.6225,
"at_s": 52.709,
"duration_s": 0.789,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0181,
"seconds": 1.532,
"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": 7,
"raises": 5,
"breaks": 2,
"tuttis": 3
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.325,
"time_to_hook_s": 0.557,
"time_to_hook_bars": 0.55,
"time_to_full_texture_s": 1.37,
"time_to_full_texture_bars": 1.34,
"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,
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,
82.48,
83.22,
83.96
],
"values": [
0.0653,
0.4426,
0.5664,
0.4475,
0.5215,
0.5039,
0.5733,
0.5158,
0.5469,
0.5253,
0.543,
0.5231,
0.5284,
0.5526,
0.5536,
0.5383,
0.594,
0.5403,
0.5538,
0.5204,
0.608,
0.4962,
0.5225,
0.4993,
0.5807,
0.5245,
0.5103,
0.5183,
0.5397,
0.5475,
0.5509,
0.5138,
0.483,
0.5184,
0.5358,
0.5817,
0.6003,
0.5717,
0.6135,
0.5914,
0.5418,
0.6092,
0.5473,
0.5273,
0.5336,
0.5837,
0.5461,
0.5793,
0.5569,
0.5583,
0.555,
0.6065,
0.5407,
0.5586,
0.6086,
0.6247,
0.6301,
0.658,
0.663,
0.6548,
0.5558,
0.6448,
0.645,
0.64,
0.6076,
0.5579,
0.6587,
0.604,
0.5591,
0.6452,
0.653,
0.6602,
0.6734,
0.6154,
0.6227,
0.5827,
0.5798,
0.6373,
0.5932,
0.5325,
0.5355,
0.5237,
0.5723,
0.5389,
0.5791,
0.5672,
0.565,
0.569,
0.5251,
0.5854,
0.5187,
0.5173,
0.4895,
0.5417,
0.5427,
0.5065,
0.4963,
0.5312,
0.5041,
0.4681,
0.5823,
0.6287,
0.5691,
0.5498,
0.5773,
0.5201,
0.5253,
0.5425,
0.4432,
0.2879,
0.2818,
0.1286,
0.1072,
0.0405
],
"peak_position_normalised": 0.5453
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.0217,
"bars": 82,
"index_per_bar": [
0.5252,
0.8535,
0.8596,
0.8797,
0.8628,
0.8807,
0.8879,
0.9561,
0.8406,
0.912,
0.8725,
0.8801,
0.876,
0.9002,
0.8864,
0.88,
0.8453,
0.9259,
0.8616,
0.8667,
0.8994,
0.9174,
0.8671,
0.8509,
0.8926,
0.9234,
0.9227,
0.9317,
0.8975,
0.8828,
0.8762,
0.8325,
0.8985,
0.8883,
0.8637,
0.9609,
0.8888,
0.8764,
0.9,
0.9919,
0.9884,
0.9811,
1.0,
0.9247,
0.9851,
0.9688,
0.9501,
0.9034,
0.937,
0.9074,
0.9549,
0.9103,
0.97,
0.9514,
0.9208,
0.9642,
0.9167,
0.8636,
0.8667,
0.8622,
0.8696,
0.8614,
0.8599,
0.8769,
0.8497,
0.8575,
0.8529,
0.8599,
0.8853,
0.8561,
0.8595,
0.8557,
0.9424,
0.9754,
0.9317,
0.9733,
0.8971,
0.9342,
0.8616,
0.674,
0.3488,
0.045
],
"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": 1.02,
"delta": 0.328,
"at_section_boundary": true
},
{
"bar": 79,
"at_s": 80.71,
"delta": -0.188,
"at_section_boundary": false
},
{
"bar": 80,
"at_s": 81.73,
"delta": -0.325,
"at_section_boundary": false
},
{
"bar": 81,
"at_s": 82.76,
"delta": -0.304,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 1,
"steps_total": 4,
"boundary_step_share": 0.25,
"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": 1.275,
"melodic_salience": 0.6435,
"voiced_fraction": 0.1695,
"note_count": 108,
"mean_lanes": 7.438,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 10.9,
"peak_position_normalised": 0.6289,
"peak_at_s": 53.243,
"arc_curve_db": [
-37.47,
-46.27,
-17.05,
-16.63,
-17.75,
-17.92,
-16.99,
-14.91,
-16.4,
-18.31,
-16.72,
-17.5,
-17.71,
-14.93,
-15.18,
-16.38,
-16.81,
-16.47,
-15.57,
-15.72,
-16.49,
-17.33,
-18.09,
-15.73,
-14.49,
-15.7,
-16.18,
-16.75,
-16.75,
-15.97,
-15.89,
-16.67,
-17.35,
-17.1,
-14.92,
-13.76,
-14.61,
-15.28,
-14.95,
-14.25,
-14.45,
-15.66,
-16.26,
-16.46,
-15.83,
-14.76,
-15.33,
-15.9,
-15.27,
-14.7,
-15.31,
-15.46,
-15.76,
-15.73,
-14.48,
-14.32,
-13.21,
-12.82,
-13.06,
-13.55,
-13.45,
-12.24,
-12.74,
-13.19,
-13.64,
-13.84,
-13.27,
-13.52,
-13.12,
-13.28,
-13.78,
-12.45,
-12.36,
-13.12,
-14.18,
-14.57,
-12.72,
-12.15,
-13.92,
-15.73,
-16.0,
-15.94,
-15.42,
-14.64,
-15.05,
-15.65,
-15.7,
-15.07,
-14.49,
-14.95,
-16.09,
-16.37,
-16.75,
-17.24,
-17.04,
-16.56,
-16.4,
-17.04,
-17.5,
-16.37,
-14.98,
-14.73,
-15.58,
-14.55,
-13.55,
-16.45,
-17.95,
-17.28,
-19.87,
-22.8,
-24.86,
-32.2,
-46.85,
-63.52
],
"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,
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,
82.48,
83.22,
83.96
]
},
"register": {
"melody_span_semitones": 40.0,
"melody_tessitura_midi": 47.0,
"bass_floor_band": {
"sub": 0.008,
"low_bass": 0.26962,
"bass": 0.22111,
"low_mid": 0.15989,
"mid": 0.14423,
"upper_mid": 0.11087,
"presence": 0.06324,
"brilliance": 0.01899,
"air": 0.00392,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.008,
"low_bass": 0.26962,
"bass": 0.22111,
"low_mid": 0.15989,
"mid": 0.14423,
"upper_mid": 0.11087,
"presence": 0.06324,
"brilliance": 0.01899,
"air": 0.00392,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.02045,
"interior_distance_median": 0.04365,
"seam_ratio": 0.469,
"seam_clean": true,
"tail_rms_over_mid": 0.0006,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.783,
"head_rms_trend": 0.8052,
"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": 1951.5,
"spectral_centroid_curve_hz": [
891.4,
3486.7,
1637.7,
1324.5,
1887.6,
2196.0,
1597.9,
2517.9,
1760.1,
2436.6,
1142.6,
2464.9,
1586.1,
1692.9,
1603.6,
2469.9,
2195.7,
2747.2,
1909.3,
1910.8,
2481.3,
2018.3,
2527.2,
1469.7,
2076.2,
1856.5,
2771.2,
2254.7,
2672.6,
1671.4,
2734.6,
2090.8,
2562.4,
2322.8,
2112.0,
1644.9,
1526.2,
1685.8,
1942.1,
1059.5,
2096.5,
2032.3,
2655.4,
1422.4,
2384.2,
1453.4,
2325.4,
1639.7,
2613.9,
1558.7,
2319.5,
2059.1,
2417.3,
1743.7,
1754.0,
1769.5,
1593.9,
1754.3,
1922.4,
1885.1,
2391.1,
1531.3,
1532.5,
1517.9,
2193.5,
2692.7,
2363.8,
1827.4,
2648.5,
2131.0,
1903.8,
1804.1,
2008.0,
1940.8,
1764.1,
1577.9,
1312.7,
1377.0,
1926.3,
2076.6,
1556.9,
2136.4,
2164.8,
2133.7,
2253.5,
2105.5,
2063.2,
1852.2,
1758.2,
2337.3,
2064.0,
2225.7,
1798.3,
2196.6,
2040.1,
2064.3,
1906.1,
1979.2,
2297.8,
1240.8,
2167.3,
2165.2,
1662.1,
1197.4,
1697.8,
1782.6,
2057.4,
1339.5,
2133.3,
1273.7,
1560.5,
1368.3,
2294.6,
911.6
],
"spectral_rolloff85_hz_mean": 4049.3,
"spectral_flatness_mean": 0.01756,
"signature_colour": "warm"
}
}
}