music/exemplars/formula_cards/UNMATCHED__02_Introduction.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__02_Introduction",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon Diamond & Pokémon Pearl_ Super M\\02 Introduction.m4a",
"sha256": "44ed9d7e0978fcc7986df38d627dd0de8426afda76e5d3007f01aaa90d5658cd",
"bytes": 3020737,
"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": "2026-08-07T02:47:29+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": 72.587,
"section_boundaries_s": [
0.0,
10.17,
19.435,
28.63,
37.895,
46.602,
55.449,
64.575,
72.587
],
"section_count": 8,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.9677,
"is_repeat": true
},
{
"section": 2,
"most_like_section": 1,
"similarity": 0.995,
"is_repeat": true
},
{
"section": 3,
"most_like_section": 2,
"similarity": 0.9987,
"is_repeat": true
},
{
"section": 4,
"most_like_section": 1,
"similarity": 0.9689,
"is_repeat": true
},
{
"section": 5,
"most_like_section": 4,
"similarity": 0.9313,
"is_repeat": true
},
{
"section": 6,
"most_like_section": 4,
"similarity": 0.9783,
"is_repeat": true
},
{
"section": 7,
"most_like_section": 0,
"similarity": 0.9834,
"is_repeat": true
}
],
"novelty_peak_strength": [
0.8295,
0.7222,
0.7114,
0.7153,
0.8515,
0.6554,
1.0
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 103.36,
"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
],
"curve_bpm": [
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
51.68,
51.68,
51.68,
51.68,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
51.68,
51.68,
51.68,
51.68,
51.68,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
215.33,
215.33,
51.68,
51.68,
51.68,
215.33,
215.33,
215.33,
215.33,
215.33,
215.33,
215.33,
215.33,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36,
103.36
],
"adjustment_events": [
{
"position_s": 18.72,
"duration_s": 2.97,
"delta_bpm": -22.24,
"shape": "step"
},
{
"position_s": 27.49,
"duration_s": 3.58,
"delta_bpm": -27.18,
"shape": "step"
},
{
"position_s": 36.13,
"duration_s": 6.64,
"delta_bpm": 53.73,
"shape": "step"
}
],
"dispersion_bpm": 28.166,
"rubato_depth_bpm": 0.0
},
"global_bpm": 103.36,
"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": 103.36,
"tempo_bpm_median_local": 103.36,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0161
},
"dominant_onset_period_s": 1.161,
"dominant_onset_period_bpm": 51.68,
"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": 0.567,
"onset_rate_per_s": 10.77
}
},
"tonality": {
"key": "A",
"mode": "major",
"windowed_key_agreement": 0.7222,
"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": 0.383,
"onset_bars": 0.17,
"pitch_contour": "DUUUDUUDDDUDDUU",
"interval_vocabulary_semitones": [
2,
5,
7,
19
],
"intervals": [
-19.0,
7.0,
5.0,
2.0,
-2.0,
2.0,
5.0,
-5.0,
-2.0,
-5.0,
2.0,
-2.0,
-7.0,
7.0,
5.0
],
"range_semitones": 19.0,
"distinctive_deviation": {
"largest_interval_semitones": -19.0,
"at_note_index": 1,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.8287,
"self_similarity_baseline": 0.672,
"self_similarity_lift": 0.1567,
"recurrence_lag_s": 0.464,
"interval_3gram_repetition": 0.2157,
"interval_4gram_repetition": 0.1485
},
"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": 43.236,
"exit_s": 62.392,
"active_fraction": 0.0783,
"segments": [
[
43.236,
44.002
],
[
61.719,
62.392
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 10.356,
"exit_s": 64.621,
"active_fraction": 0.3259,
"segments": [
[
10.356,
11.564
],
[
19.574,
20.782
],
[
28.816,
30.023
],
[
38.058,
39.242
],
[
42.098,
48.971
],
[
50.178,
51.037
],
[
51.316,
51.943
],
[
52.477,
54.265
],
[
55.937,
56.889
],
[
57.098,
60.024
],
[
60.558,
64.621
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 4.574,
"exit_s": 69.474,
"active_fraction": 0.631,
"segments": [
[
4.574,
5.782
],
[
6.711,
8.104
],
[
9.009,
10.983
],
[
11.355,
12.748
],
[
13.63,
15.023
],
[
15.952,
17.322
],
[
18.228,
20.132
],
[
20.596,
21.966
],
[
22.872,
24.265
],
[
25.17,
26.61
],
[
27.492,
29.443
],
[
29.838,
31.208
],
[
32.09,
33.483
],
[
34.366,
35.805
],
[
36.711,
38.754
],
[
39.056,
40.449
],
[
43.212,
43.932
],
[
44.397,
44.977
],
[
45.558,
46.254
],
[
46.695,
48.855
],
[
49.017,
56.819
],
[
57.098,
57.864
],
[
58.212,
58.955
],
[
59.327,
62.253
],
[
62.856,
63.46
],
[
63.646,
65.689
],
[
68.638,
69.474
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.372,
"exit_s": 69.59,
"active_fraction": 0.9511,
"segments": [
[
0.372,
2.485
],
[
2.67,
66.548
],
[
66.734,
69.59
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.372,
"exit_s": 70.031,
"active_fraction": 0.9632,
"segments": [
[
0.372,
70.031
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.372,
"exit_s": 70.449,
"active_fraction": 0.9655,
"segments": [
[
0.372,
70.449
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.372,
"exit_s": 70.449,
"active_fraction": 0.9655,
"segments": [
[
0.372,
70.449
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.372,
"exit_s": 70.519,
"active_fraction": 0.9664,
"segments": [
[
0.372,
70.519
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.372,
"exit_s": 69.869,
"active_fraction": 0.9575,
"segments": [
[
0.372,
69.869
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.1501,
"sub|bass": 0.1179,
"sub|low_mid": 0.0824,
"sub|mid": 0.0813,
"sub|upper_mid": 0.0812,
"sub|presence": 0.0812,
"sub|brilliance": 0.0811,
"sub|air": 0.0818,
"low_bass|bass": 0.3756,
"low_bass|low_mid": 0.3426,
"low_bass|mid": 0.3383,
"low_bass|upper_mid": 0.3375,
"low_bass|presence": 0.3375,
"low_bass|brilliance": 0.3372,
"low_bass|air": 0.3403,
"bass|low_mid": 0.6634,
"bass|mid": 0.655,
"bass|upper_mid": 0.6535,
"bass|presence": 0.6535,
"bass|brilliance": 0.6529,
"bass|air": 0.659,
"low_mid|mid": 0.9834,
"low_mid|upper_mid": 0.9851,
"low_mid|presence": 0.9851,
"low_mid|brilliance": 0.9841,
"low_mid|air": 0.9893,
"mid|upper_mid": 0.9944,
"mid|presence": 0.9944,
"mid|brilliance": 0.9954,
"mid|air": 0.994,
"upper_mid|presence": 1.0,
"upper_mid|brilliance": 0.999,
"upper_mid|air": 0.9917,
"presence|brilliance": 0.999,
"presence|air": 0.9917,
"brilliance|air": 0.9907
},
"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
],
"lanes": [
0,
0,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
5,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
7,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
8,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
7,
7,
7,
7,
7,
7,
7,
9,
8,
8,
8,
7,
7,
9,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
7,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
7,
8,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
8,
7,
7,
7,
7,
7,
8,
9,
8,
8,
7,
7,
8,
7,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
8,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
7,
7,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
7,
8,
7,
7,
7,
7,
7,
8,
8,
8,
8,
7,
7,
9,
7,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
7,
8,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
7,
8,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
7,
7,
7,
7,
7,
7,
7,
9,
8,
8,
8,
7,
7,
9,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
6,
6,
6,
6,
9,
8,
8,
8,
8,
7,
9,
9,
9,
9,
7,
7,
9,
8,
8,
8,
7,
8,
7,
8,
8,
8,
8,
7,
7,
8,
8,
8,
8,
8,
8,
8,
8,
8,
8,
8,
8,
7,
7,
7,
7,
7,
7,
7,
8,
8,
8,
8,
7,
7,
8,
8,
8,
7,
7,
7,
8,
8,
8,
8,
8,
8,
9,
8,
8,
8,
7,
7,
8,
8,
7,
7,
7,
7,
7,
8,
8,
8,
8,
7,
6,
8,
8,
8,
8,
7,
7,
8,
8,
8,
8,
7,
7,
8,
8,
8,
8,
7,
7,
9,
8,
8,
8,
8,
8,
8,
9,
9,
9,
7,
7,
7,
8,
8,
8,
7,
8,
8,
8,
8,
8,
7,
7,
7,
7,
7,
7,
6,
6,
6,
6,
6,
5,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
7,
7,
7,
7,
7,
5,
5,
4,
4,
4,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 6.804
},
"register_spacing_octaves": [
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.9517,
"at_s": 69.079,
"db_delta": -6.33,
"lanes_removed": 0.17,
"bars_held_s": 2.926,
"re_enters_at_s": 72.005
},
{
"position": 0.9683,
"at_s": 70.287,
"db_delta": -3.75,
"lanes_removed": 2.61,
"bars_held_s": 1.718,
"re_enters_at_s": 72.005
},
{
"position": 0.985,
"at_s": 71.494,
"db_delta": -22.17,
"lanes_removed": -0.0,
"bars_held_s": 0.511,
"re_enters_at_s": 72.005
}
],
"raises": [
{
"position": 0.0083,
"start_s": 0.604,
"end_s": 2.113,
"db_delta": 73.7,
"lanes_added": 3.69,
"slope_db_per_s": 48.828
},
{
"position": 0.0592,
"start_s": 4.296,
"end_s": 4.946,
"db_delta": 6.17,
"lanes_added": 0.54,
"slope_db_per_s": 9.491
},
{
"position": 0.5771,
"start_s": 41.889,
"end_s": 42.284,
"db_delta": 2.26,
"lanes_added": 1.57,
"slope_db_per_s": 5.713
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.302
},
{
"position": 0.9837,
"at_s": 71.401,
"duration_s": 1.184
}
],
"tuttis": [],
"silence_budget": {
"fraction": 0.0211,
"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": 3,
"raises": 3,
"breaks": 2,
"tuttis": 0
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.348,
"time_to_hook_s": 0.383,
"time_to_hook_bars": 0.17,
"time_to_full_texture_s": 9.149,
"time_to_full_texture_bars": 3.94,
"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
],
"values": [
0.0207,
0.4268,
0.4569,
0.457,
0.4645,
0.4752,
0.5156,
0.5417,
0.5166,
0.545,
0.5625,
0.512,
0.5341,
0.5597,
0.6174,
0.5947,
0.5459,
0.5743,
0.5467,
0.5574,
0.5978,
0.6003,
0.5666,
0.5997,
0.585,
0.5847,
0.6525,
0.6515,
0.6168,
0.6015,
0.5778,
0.6444,
0.5926,
0.5754,
0.6003,
0.6069,
0.5706,
0.6317,
0.611,
0.6236,
0.6435,
0.5737,
0.6228,
0.6042,
0.5953,
0.582,
0.5911,
0.595,
0.6224,
0.6083,
0.5888,
0.6128,
0.6703,
0.5759,
0.6319,
0.521,
0.5162,
0.563,
0.5839,
0.6473,
0.5608,
0.6163,
0.5882,
0.5725,
0.6216,
0.5906,
0.5087,
0.5563,
0.5832,
0.6136,
0.5828,
0.5865,
0.6126,
0.5801,
0.5844,
0.5775,
0.6103,
0.5601,
0.5655,
0.5872,
0.5682,
0.57,
0.6226,
0.5814,
0.5281,
0.5678,
0.6049,
0.5506,
0.5508,
0.4737,
0.4624,
0.4618,
0.4806,
0.4647,
0.3976,
0.1847,
0.1201,
0.0647
],
"peak_position_normalised": 0.5381
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.322,
"bars": 31,
"index_per_bar": [
0.6769,
0.7845,
0.865,
0.9004,
0.9699,
0.8725,
0.8804,
0.8837,
0.9733,
0.8816,
0.8783,
0.8839,
0.975,
0.9163,
0.8788,
0.8817,
0.9813,
0.8262,
0.9917,
0.9791,
0.959,
0.9188,
0.9781,
0.9641,
0.9377,
0.9379,
1.0,
0.9401,
0.7923,
0.8096,
0.3643
],
"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": 17,
"at_s": 39.47,
"delta": -0.155,
"at_section_boundary": true
},
{
"bar": 18,
"at_s": 41.8,
"delta": 0.165,
"at_section_boundary": false
},
{
"bar": 30,
"at_s": 69.66,
"delta": -0.445,
"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": 1.447,
"melodic_salience": 0.8998,
"voiced_fraction": 0.6192,
"note_count": 105,
"mean_lanes": 6.804,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 13.18,
"peak_position_normalised": 0.2623,
"peak_at_s": 19.04,
"arc_curve_db": [
-46.21,
-57.85,
-23.02,
-23.43,
-23.9,
-22.59,
-18.33,
-16.93,
-18.87,
-16.12,
-15.52,
-18.52,
-16.65,
-15.07,
-15.86,
-14.6,
-16.03,
-16.96,
-14.51,
-13.93,
-15.35,
-14.17,
-13.07,
-14.63,
-14.26,
-13.26,
-12.88,
-13.08,
-13.32,
-13.91,
-15.01,
-13.57,
-13.71,
-15.11,
-13.24,
-13.14,
-15.19,
-13.51,
-12.25,
-13.74,
-13.06,
-13.29,
-15.01,
-13.57,
-13.37,
-15.26,
-13.86,
-13.16,
-14.6,
-13.56,
-13.34,
-13.33,
-12.66,
-13.29,
-14.55,
-15.8,
-16.27,
-17.11,
-16.02,
-15.78,
-16.98,
-16.2,
-16.37,
-16.49,
-15.16,
-16.47,
-16.7,
-15.38,
-16.62,
-15.3,
-13.39,
-15.18,
-15.87,
-14.06,
-14.44,
-15.79,
-16.54,
-17.3,
-16.65,
-17.13,
-16.25,
-14.38,
-14.56,
-15.61,
-16.7,
-17.18,
-16.41,
-15.96,
-18.14,
-21.61,
-23.36,
-23.99,
-21.61,
-22.41,
-29.02,
-35.19,
-50.05,
-57.0
],
"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
]
},
"register": {
"melody_span_semitones": 31.67,
"melody_tessitura_midi": 45.0,
"bass_floor_band": {
"sub": 0.00053,
"low_bass": 0.12358,
"bass": 0.31751,
"low_mid": 0.23176,
"mid": 0.1944,
"upper_mid": 0.0748,
"presence": 0.04341,
"brilliance": 0.01128,
"air": 0.00149,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00053,
"low_bass": 0.12358,
"bass": 0.31751,
"low_mid": 0.23176,
"mid": 0.1944,
"upper_mid": 0.0748,
"presence": 0.04341,
"brilliance": 0.01128,
"air": 0.00149,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.03669,
"seam_ratio": 27.252,
"seam_clean": false,
"tail_rms_over_mid": 0.001,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.7787,
"head_rms_trend": 0.7153,
"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": 1761.5,
"spectral_centroid_curve_hz": [
0.0,
1996.9,
2113.9,
2155.6,
2268.1,
2109.9,
2169.9,
1851.1,
2047.5,
2176.5,
1839.8,
1988.5,
2051.3,
1499.2,
1407.5,
1835.7,
1575.0,
2098.8,
1762.7,
1227.7,
1938.1,
2268.4,
1163.4,
1770.3,
2025.9,
1324.1,
1999.0,
1595.1,
1846.6,
1661.3,
2022.0,
1795.7,
1595.9,
2027.0,
1633.0,
1675.4,
2027.6,
2092.6,
1479.2,
1402.9,
1979.9,
1341.1,
2263.5,
2232.1,
1629.4,
1783.6,
2122.4,
1532.1,
2113.7,
2261.2,
1300.6,
1625.0,
1757.3,
1285.6,
2183.4,
1838.1,
1705.2,
1368.0,
1905.3,
1810.0,
1412.5,
1944.4,
1611.5,
1508.7,
1885.3,
1577.3,
1142.4,
1628.0,
1545.4,
2117.4,
1550.0,
1268.7,
1613.8,
1076.8,
1272.6,
1846.4,
2054.0,
1513.5,
2017.2,
1809.9,
1302.0,
1634.1,
1577.6,
1474.3,
1445.2,
1603.7,
1783.2,
1750.7,
2112.6,
2112.3,
2205.1,
2255.2,
2234.1,
1611.4,
2161.0,
2262.5,
1525.0,
862.8
],
"spectral_rolloff85_hz_mean": 3542.2,
"spectral_flatness_mean": 0.00983,
"signature_colour": "warm"
}
}
}