music/exemplars/formula_cards/UNMATCHED__184_Head_It.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__184_Head_It",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon X & Pokémon Y_ Super Music Colle\\184 Head It.m4a",
"sha256": "e395d00216d1f6862c2a05c78bd1ca54f01aff1e26f79c230e6ab9c0017191e8",
"bytes": 2937672,
"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": "2026-08-07T04:05:48+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": 73.329,
"section_boundaries_s": [
0.0,
2.229,
8.568,
20.898,
27.167,
33.855,
40.542,
47.229,
56.564,
67.222,
73.329
],
"section_count": 10,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.9804,
"is_repeat": true
},
{
"section": 2,
"most_like_section": 1,
"similarity": 0.9979,
"is_repeat": true
},
{
"section": 3,
"most_like_section": 1,
"similarity": 0.989,
"is_repeat": true
},
{
"section": 4,
"most_like_section": 2,
"similarity": 0.9664,
"is_repeat": true
},
{
"section": 5,
"most_like_section": 4,
"similarity": 0.9918,
"is_repeat": true
},
{
"section": 6,
"most_like_section": 5,
"similarity": 0.9954,
"is_repeat": true
},
{
"section": 7,
"most_like_section": 5,
"similarity": 0.997,
"is_repeat": true
},
{
"section": 8,
"most_like_section": 5,
"similarity": 0.9888,
"is_repeat": true
},
{
"section": 9,
"most_like_section": 0,
"similarity": 0.894,
"is_repeat": false
}
],
"novelty_peak_strength": [
0.2846,
0.7939,
0.7183,
0.9086,
0.5675,
0.972,
0.7397,
0.9907,
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,
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
],
"curve_bpm": [
172.27,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
71.78,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
89.1,
184.57,
184.57,
184.57,
184.57,
184.57
],
"adjustment_events": [
{
"position_s": 28.89,
"duration_s": 5.18,
"delta_bpm": -13.11,
"shape": "step"
},
{
"position_s": 60.79,
"duration_s": 5.18,
"delta_bpm": -13.11,
"shape": "step"
},
{
"position_s": 70.8,
"duration_s": 2.53,
"delta_bpm": 43.51,
"shape": "step"
}
],
"dispersion_bpm": 15.969,
"rubato_depth_bpm": 17.326
},
"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": 89.1,
"tempo_iqr_bpm": 28.35,
"tempo_stability": 0.0,
"beat_interval_cv": 0.0377
},
"dominant_onset_period_s": 2.6703,
"dominant_onset_period_bpm": 22.47,
"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": 0.617,
"onset_rate_per_s": 10.77
}
},
"tonality": {
"key": "C#",
"mode": "minor",
"windowed_key_agreement": 0.0,
"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": 0.2,
"pitch_contour": "UUD-UUD-UU-UD-U",
"interval_vocabulary_semitones": [
0,
1,
2,
3,
4,
7,
8
],
"intervals": [
3.67,
1.0,
-7.67,
0.0,
7.67,
2.33,
-8.0,
0.0,
1.0,
3.67,
0.33,
3.0,
-7.0,
0.0,
3.67
],
"range_semitones": 10.0,
"distinctive_deviation": {
"largest_interval_semitones": -8.0,
"at_note_index": 7,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.9071,
"self_similarity_baseline": 0.8219,
"self_similarity_lift": 0.0852,
"recurrence_lag_s": 5.341,
"interval_3gram_repetition": 0.2222,
"interval_4gram_repetition": 0.128
},
"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": 1.068,
"exit_s": 68.29,
"active_fraction": 0.7939,
"segments": [
[
1.068,
1.672
],
[
1.741,
3.506
],
[
3.553,
4.296
],
[
4.412,
5.457
],
[
6.409,
10.983
],
[
11.564,
14.141
],
[
14.211,
15.511
],
[
17.067,
18.321
],
[
18.39,
19.482
],
[
19.574,
20.317
],
[
21.316,
24.311
],
[
24.404,
26.842
],
[
26.912,
29.629
],
[
31.092,
31.997
],
[
33.065,
33.646
],
[
33.739,
35.318
],
[
35.759,
36.316
],
[
38.429,
38.963
],
[
39.102,
40.635
],
[
41.099,
42.144
],
[
42.4,
42.98
],
[
43.746,
44.327
],
[
44.397,
45.976
],
[
46.393,
46.951
],
[
49.064,
49.667
],
[
50.434,
51.316
],
[
51.734,
52.315
],
[
54.381,
55.008
],
[
55.055,
58.166
],
[
58.886,
62.137
],
[
63.112,
63.971
],
[
65.062,
65.643
],
[
65.736,
66.316
],
[
66.409,
67.315
],
[
67.756,
68.29
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.488,
"exit_s": 68.963,
"active_fraction": 0.9076,
"segments": [
[
0.488,
1.347
],
[
1.556,
5.317
],
[
5.433,
6.664
],
[
6.734,
10.658
],
[
10.728,
12.005
],
[
12.074,
15.975
],
[
16.091,
30.209
],
[
31.115,
32.02
],
[
32.322,
33.483
],
[
33.762,
38.499
],
[
39.102,
43.839
],
[
43.886,
49.667
],
[
49.714,
62.229
],
[
62.508,
64.041
],
[
64.389,
65.48
],
[
65.736,
68.963
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.488,
"exit_s": 70.519,
"active_fraction": 0.9576,
"segments": [
[
0.488,
70.519
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.511,
"exit_s": 70.844,
"active_fraction": 0.9547,
"segments": [
[
0.511,
30.302
],
[
30.488,
62.299
],
[
62.485,
70.844
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.511,
"exit_s": 70.542,
"active_fraction": 0.9582,
"segments": [
[
0.511,
70.542
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.511,
"exit_s": 70.751,
"active_fraction": 0.9541,
"segments": [
[
0.511,
31.115
],
[
31.324,
63.158
],
[
63.321,
70.751
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.511,
"exit_s": 71.03,
"active_fraction": 0.9617,
"segments": [
[
0.511,
71.03
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.488,
"exit_s": 70.496,
"active_fraction": 0.9547,
"segments": [
[
0.488,
70.496
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.488,
"exit_s": 70.403,
"active_fraction": 0.9443,
"segments": [
[
0.488,
7.988
],
[
8.057,
10.658
],
[
10.728,
23.986
],
[
24.056,
25.31
],
[
25.379,
30.325
],
[
30.488,
66.664
],
[
66.734,
67.988
],
[
69.242,
70.403
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.8522,
"sub|bass": 0.8291,
"sub|low_mid": 0.831,
"sub|mid": 0.8279,
"sub|upper_mid": 0.823,
"sub|presence": 0.8249,
"sub|brilliance": 0.8316,
"sub|air": 0.8322,
"low_bass|bass": 0.9478,
"low_bass|low_mid": 0.95,
"low_bass|mid": 0.9465,
"low_bass|upper_mid": 0.9416,
"low_bass|presence": 0.9431,
"low_bass|brilliance": 0.9506,
"low_bass|air": 0.9494,
"bass|low_mid": 0.9931,
"bass|mid": 0.9987,
"bass|upper_mid": 0.9918,
"bass|presence": 0.9951,
"bass|brilliance": 0.997,
"bass|air": 0.9861,
"low_mid|mid": 0.9944,
"low_mid|upper_mid": 0.9888,
"low_mid|presence": 0.9928,
"low_mid|brilliance": 0.9901,
"low_mid|air": 0.9831,
"mid|upper_mid": 0.9924,
"mid|presence": 0.9964,
"mid|brilliance": 0.9957,
"mid|air": 0.9848,
"upper_mid|presence": 0.9908,
"upper_mid|brilliance": 0.9908,
"upper_mid|air": 0.9799,
"presence|brilliance": 0.9921,
"presence|air": 0.9812,
"brilliance|air": 0.9891
},
"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
],
"lanes": [
0,
0,
0,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
8,
9,
9,
8,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
7,
5,
9,
9,
7,
8,
9,
9,
9,
9,
7,
8,
9,
8,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
8,
9,
8,
9,
9,
9,
9,
7,
9,
9,
9,
9,
9,
9,
9,
9,
8,
8,
8,
9,
9,
9,
9,
9,
8,
8,
9,
9,
9,
9,
9,
8,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
8,
9,
9,
8,
9,
9,
9,
9,
9,
8,
8,
8,
9,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
8,
9,
9,
9,
9,
8,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
6,
9,
9,
8,
9,
9,
9,
9,
9,
7,
7,
9,
8,
8,
8,
9,
9,
8,
9,
9,
9,
9,
9,
8,
9,
9,
9,
8,
9,
9,
9,
9,
8,
7,
7,
8,
9,
7,
8,
8,
8,
7,
7,
7,
5,
4,
1,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 8.387
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.4085,
"at_s": 29.954,
"db_delta": -6.07,
"lanes_removed": 1.16,
"bars_held_s": 0.395,
"re_enters_at_s": 30.348
},
{
"position": 0.8452,
"at_s": 61.974,
"db_delta": -6.13,
"lanes_removed": 1.2,
"bars_held_s": 0.372,
"re_enters_at_s": 62.346
},
{
"position": 0.9563,
"at_s": 70.124,
"db_delta": -4.12,
"lanes_removed": 1.58,
"bars_held_s": 2.624,
"re_enters_at_s": 72.748
},
{
"position": 0.9728,
"at_s": 71.332,
"db_delta": -8.71,
"lanes_removed": 1.27,
"bars_held_s": 1.416,
"re_enters_at_s": 72.748
},
{
"position": 0.9892,
"at_s": 72.539,
"db_delta": -83.03,
"lanes_removed": -0.0,
"bars_held_s": 0.209,
"re_enters_at_s": 72.748
}
],
"raises": [
{
"position": 0.0082,
"start_s": 0.604,
"end_s": 29.675,
"db_delta": 132.29,
"lanes_added": 6.88,
"slope_db_per_s": 4.55
},
{
"position": 0.4284,
"start_s": 31.417,
"end_s": 31.533,
"db_delta": 6.01,
"lanes_added": 0.84,
"slope_db_per_s": 51.755
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.464
},
{
"position": 0.9829,
"at_s": 72.075,
"duration_s": 1.254
}
],
"tuttis": [
{
"position": 0.013,
"at_s": 0.952,
"duration_s": 4.412,
"lanes": 9
},
{
"position": 0.0858,
"at_s": 6.293,
"duration_s": 5.016,
"lanes": 9
},
{
"position": 0.1577,
"at_s": 11.564,
"duration_s": 5.085,
"lanes": 9
},
{
"position": 0.2312,
"at_s": 16.951,
"duration_s": 4.18,
"lanes": 9
},
{
"position": 0.2907,
"at_s": 21.316,
"duration_s": 8.8,
"lanes": 9
},
{
"position": 0.4614,
"at_s": 33.831,
"duration_s": 1.486,
"lanes": 9
},
{
"position": 0.4867,
"at_s": 35.689,
"duration_s": 1.207,
"lanes": 9
},
{
"position": 0.5047,
"at_s": 37.013,
"duration_s": 0.952,
"lanes": 9
},
{
"position": 0.5342,
"at_s": 39.172,
"duration_s": 1.463,
"lanes": 9
},
{
"position": 0.5592,
"at_s": 41.006,
"duration_s": 2.299,
"lanes": 9
},
{
"position": 0.5956,
"at_s": 43.677,
"duration_s": 2.299,
"lanes": 9
},
{
"position": 0.6308,
"at_s": 46.254,
"duration_s": 1.277,
"lanes": 9
},
{
"position": 0.6675,
"at_s": 48.948,
"duration_s": 1.277,
"lanes": 9
},
{
"position": 0.6868,
"at_s": 50.364,
"duration_s": 0.952,
"lanes": 9
},
{
"position": 0.7042,
"at_s": 51.641,
"duration_s": 1.486,
"lanes": 9
},
{
"position": 0.7274,
"at_s": 53.336,
"duration_s": 8.777,
"lanes": 9
},
{
"position": 0.8965,
"at_s": 65.736,
"duration_s": 1.579,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0253,
"seconds": 1.857,
"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": 2,
"breaks": 2,
"tuttis": 17
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 0.546,
"time_to_hook_bars": 0.2,
"time_to_full_texture_s": 0.511,
"time_to_full_texture_bars": 0.19,
"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
],
"values": [
0.0837,
0.6538,
0.7859,
0.7651,
0.7928,
0.7526,
0.7503,
0.7499,
0.8184,
0.7263,
0.7339,
0.8045,
0.7847,
0.7828,
0.7419,
0.7611,
0.7645,
0.7595,
0.7603,
0.7557,
0.7896,
0.7804,
0.7823,
0.7731,
0.7931,
0.7421,
0.7655,
0.7584,
0.7491,
0.7674,
0.7974,
0.7484,
0.7403,
0.7759,
0.7091,
0.7525,
0.7747,
0.8199,
0.7764,
0.7956,
0.6974,
0.5278,
0.6149,
0.7039,
0.7398,
0.7684,
0.8083,
0.8024,
0.766,
0.7787,
0.7938,
0.8311,
0.7913,
0.7674,
0.7691,
0.7659,
0.8099,
0.7464,
0.774,
0.8015,
0.7728,
0.8007,
0.7516,
0.7998,
0.7611,
0.8068,
0.7584,
0.8052,
0.8038,
0.7774,
0.8013,
0.7686,
0.8144,
0.81,
0.8101,
0.7672,
0.8013,
0.7682,
0.7703,
0.7733,
0.8372,
0.8148,
0.7983,
0.7598,
0.5893,
0.6784,
0.6926,
0.7591,
0.7552,
0.7397,
0.7455,
0.7169,
0.6051,
0.5845,
0.5312,
0.338,
0.1206,
0.079,
0.0559
],
"peak_position_normalised": 0.6634
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.6936,
"bars": 27,
"index_per_bar": [
0.8675,
0.9993,
0.9767,
1.0,
0.9843,
0.9898,
0.9805,
0.9843,
0.9951,
0.9934,
0.9923,
0.9375,
0.9843,
0.9817,
0.98,
0.9894,
0.9851,
0.9776,
0.9817,
0.9756,
0.995,
0.9972,
0.9924,
0.9465,
0.9802,
0.9226,
0.3903
],
"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": 26,
"at_s": 70.03,
"delta": -0.532,
"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": 1.759,
"melodic_salience": 0.711,
"voiced_fraction": 0.2664,
"note_count": 129,
"mean_lanes": 8.387,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 6.65,
"peak_position_normalised": 0.7992,
"peak_at_s": 58.607,
"arc_curve_db": [
-62.33,
-66.75,
-8.87,
-8.94,
-8.59,
-8.51,
-8.85,
-9.04,
-8.83,
-8.77,
-8.89,
-8.6,
-8.5,
-8.8,
-9.12,
-8.73,
-8.68,
-8.77,
-8.47,
-8.37,
-8.59,
-8.86,
-8.56,
-8.5,
-8.68,
-8.57,
-8.49,
-8.51,
-8.85,
-8.69,
-8.64,
-9.15,
-9.0,
-9.08,
-9.14,
-8.78,
-8.47,
-8.47,
-8.72,
-8.62,
-10.84,
-12.75,
-11.39,
-11.74,
-10.85,
-8.41,
-8.23,
-8.01,
-7.83,
-7.91,
-7.94,
-8.06,
-8.21,
-8.15,
-7.98,
-7.83,
-7.85,
-8.05,
-8.1,
-8.15,
-8.07,
-7.77,
-7.73,
-7.82,
-7.84,
-7.86,
-8.05,
-8.08,
-7.88,
-7.73,
-7.82,
-8.07,
-7.9,
-7.95,
-8.35,
-8.35,
-8.25,
-8.04,
-7.53,
-7.36,
-7.69,
-8.04,
-8.04,
-9.99,
-12.27,
-11.67,
-11.67,
-10.7,
-8.65,
-8.92,
-9.34,
-10.41,
-12.57,
-15.55,
-19.37,
-25.15,
-34.33,
-55.23,
-102.29
],
"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
]
},
"register": {
"melody_span_semitones": 13.0,
"melody_tessitura_midi": 40.0,
"bass_floor_band": {
"sub": 0.02616,
"low_bass": 0.2085,
"bass": 0.17444,
"low_mid": 0.12275,
"mid": 0.10486,
"upper_mid": 0.13207,
"presence": 0.20651,
"brilliance": 0.01918,
"air": 0.00379,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.02616,
"low_bass": 0.2085,
"bass": 0.17444,
"low_mid": 0.12275,
"mid": 0.10486,
"upper_mid": 0.13207,
"presence": 0.20651,
"brilliance": 0.01918,
"air": 0.00379,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.01827,
"seam_ratio": 54.746,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.7772,
"head_rms_trend": 0.757,
"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": 1913.4,
"spectral_centroid_curve_hz": [
0.0,
2817.1,
2341.3,
1989.0,
2324.4,
1572.0,
1634.0,
1719.2,
2997.7,
1877.9,
1355.3,
2535.8,
2142.0,
2304.6,
1521.2,
1855.3,
1783.7,
1779.3,
1610.0,
1496.8,
2195.5,
2196.8,
2163.2,
1929.4,
2387.8,
1352.5,
1726.8,
1579.5,
1586.9,
1955.3,
2526.7,
1686.3,
1625.5,
2323.2,
1034.3,
1688.4,
1905.2,
2885.3,
2065.5,
2363.4,
1856.4,
1742.1,
1553.5,
1989.5,
2749.9,
1745.9,
2372.8,
2086.7,
2045.4,
1565.0,
1865.3,
2675.1,
1951.9,
1516.8,
1426.0,
1988.6,
2154.1,
1680.1,
1625.1,
2117.6,
1566.5,
1942.8,
1638.9,
1830.2,
1877.8,
2126.8,
1966.0,
2190.1,
2035.3,
1428.2,
1911.7,
1408.8,
2342.6,
2286.2,
2430.2,
1617.9,
2246.7,
1360.4,
1222.4,
1839.3,
2533.0,
2287.1,
2026.0,
2025.8,
2000.5,
1857.6,
1860.5,
3157.8,
1752.0,
1536.0,
1968.2,
2064.6,
1682.3,
1613.2,
2353.9,
1727.9,
1882.2,
1409.5,
1074.9
],
"spectral_rolloff85_hz_mean": 3749.6,
"spectral_flatness_mean": 0.02576,
"signature_colour": "warm"
}
}
}