music/exemplars/formula_cards/UNMATCHED__79_Trainers_Eyes_Meet_Team_Flare_.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__79_Trainers_Eyes_Meet_Team_Flare_",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Compilations\\Pokémon X & Pokémon Y_ Super Music Colle\\79 Trainers' Eyes Meet (Team Flare).m4a",
"sha256": "089638a31f4f75deb256b5986779bf00426750af48a1c694503ee4e6d9ec8c8e",
"bytes": 2136718,
"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": "2026-08-07T04:38:21+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": 48.576,
"section_boundaries_s": [
0.0,
1.997,
8.406,
14.907,
26.146,
34.087,
40.403,
46.904,
48.576
],
"section_count": 8,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.8316,
"is_repeat": false
},
{
"section": 2,
"most_like_section": 1,
"similarity": 0.9957,
"is_repeat": true
},
{
"section": 3,
"most_like_section": 2,
"similarity": 0.9941,
"is_repeat": true
},
{
"section": 4,
"most_like_section": 2,
"similarity": 0.9985,
"is_repeat": true
},
{
"section": 5,
"most_like_section": 3,
"similarity": 0.9932,
"is_repeat": true
},
{
"section": 6,
"most_like_section": 3,
"similarity": 0.981,
"is_repeat": true
},
{
"section": 7,
"most_like_section": 6,
"similarity": 0.8377,
"is_repeat": false
}
],
"novelty_peak_strength": [
1.0,
0.3033,
0.3703,
0.4244,
0.3719,
0.3993,
0.282
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 152.0,
"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
],
"curve_bpm": [
136.0,
136.0,
143.55,
143.55,
143.55,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0,
152.0
],
"adjustment_events": [
{
"position_s": 0.0,
"duration_s": 1.51,
"delta_bpm": -33.85,
"shape": "ramp"
}
],
"dispersion_bpm": 2.233,
"rubato_depth_bpm": 0.0
},
"global_bpm": 152.0,
"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": 152.0,
"tempo_bpm_median_local": 152.0,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0246
},
"dominant_onset_period_s": 1.6022,
"dominant_onset_period_bpm": 37.45,
"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": 0.573,
"onset_rate_per_s": 10.761
}
},
"tonality": {
"key": "F",
"mode": "minor",
"windowed_key_agreement": 0.6667,
"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": 3.239,
"onset_bars": 2.05,
"pitch_contour": "-UUD--D-U---U--",
"interval_vocabulary_semitones": [
0,
1,
16
],
"intervals": [
0.0,
1.0,
16.0,
-1.0,
0.0,
0.0,
-16.0,
0.0,
1.0,
0.0,
0.0,
0.0,
16.0,
0.0,
0.0
],
"range_semitones": 17.0,
"distinctive_deviation": {
"largest_interval_semitones": 16.0,
"at_note_index": 3,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.9855,
"self_similarity_baseline": 0.8639,
"self_similarity_lift": 0.1216,
"recurrence_lag_s": 19.18,
"interval_3gram_repetition": 0.5714,
"interval_4gram_repetition": 0.4545
},
"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": 2.113,
"exit_s": 44.931,
"active_fraction": 0.8739,
"segments": [
[
2.113,
6.594
],
[
6.78,
13.003
],
[
13.189,
17.16
],
[
17.252,
25.797
],
[
26.006,
32.206
],
[
32.369,
36.362
],
[
36.455,
44.234
],
[
44.397,
44.931
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 2.067,
"exit_s": 44.118,
"active_fraction": 0.838,
"segments": [
[
2.067,
5.828
],
[
6.037,
6.548
],
[
6.92,
9.938
],
[
10.031,
12.353
],
[
12.469,
13.003
],
[
13.212,
17.926
],
[
18.019,
19.389
],
[
19.574,
22.732
],
[
22.825,
25.17
],
[
25.24,
25.774
],
[
26.122,
31.556
],
[
31.672,
32.183
],
[
32.415,
37.129
],
[
37.222,
38.592
],
[
38.777,
41.935
],
[
42.028,
44.118
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 2.02,
"exit_s": 46.51,
"active_fraction": 0.9159,
"segments": [
[
2.02,
46.51
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.534,
"exit_s": 46.951,
"active_fraction": 0.9556,
"segments": [
[
0.534,
46.951
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.511,
"exit_s": 46.37,
"active_fraction": 0.9441,
"segments": [
[
0.511,
46.37
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.511,
"exit_s": 46.393,
"active_fraction": 0.9446,
"segments": [
[
0.511,
46.393
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.511,
"exit_s": 46.254,
"active_fraction": 0.9455,
"segments": [
[
0.511,
46.254
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.511,
"exit_s": 46.277,
"active_fraction": 0.9451,
"segments": [
[
0.511,
46.277
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.511,
"exit_s": 44.234,
"active_fraction": 0.8485,
"segments": [
[
0.511,
6.293
],
[
6.827,
8.336
],
[
8.406,
15.534
],
[
16.44,
17.415
],
[
18.088,
19.133
],
[
19.226,
25.426
],
[
26.03,
27.423
],
[
27.609,
34.714
],
[
35.643,
36.618
],
[
37.291,
38.336
],
[
38.429,
44.234
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.9494,
"sub|bass": 0.9541,
"sub|low_mid": 0.9145,
"sub|mid": 0.9256,
"sub|upper_mid": 0.9251,
"sub|presence": 0.9194,
"sub|brilliance": 0.9208,
"sub|air": 0.8786,
"low_bass|bass": 0.915,
"low_bass|low_mid": 0.877,
"low_bass|mid": 0.8877,
"low_bass|upper_mid": 0.8872,
"low_bass|presence": 0.8854,
"low_bass|brilliance": 0.8868,
"low_bass|air": 0.8628,
"bass|low_mid": 0.9585,
"bass|mid": 0.9642,
"bass|upper_mid": 0.9647,
"bass|presence": 0.9578,
"bass|brilliance": 0.9593,
"bass|air": 0.8633,
"low_mid|mid": 0.987,
"low_mid|upper_mid": 0.9875,
"low_mid|presence": 0.9826,
"low_mid|brilliance": 0.988,
"low_mid|air": 0.8871,
"mid|upper_mid": 0.9995,
"mid|presence": 0.9934,
"mid|brilliance": 0.995,
"mid|air": 0.8988,
"upper_mid|presence": 0.9929,
"upper_mid|brilliance": 0.9945,
"upper_mid|air": 0.8983,
"presence|brilliance": 0.9924,
"presence|air": 0.8974,
"brilliance|air": 0.8979
},
"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
],
"lanes": [
0,
0,
0,
6,
6,
6,
6,
6,
6,
6,
6,
7,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
6,
8,
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,
8,
9,
9,
9,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
8,
9,
9,
9,
9,
9,
8,
9,
9,
8,
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,
9,
9,
9,
8,
8,
7,
7,
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,
8,
9,
9,
9,
7,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
9,
8,
9,
8,
9,
9,
9,
9,
8,
9,
9,
9,
7,
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,
8,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
8,
7,
8,
8,
6,
6,
6,
8,
6,
6,
6,
8,
2,
1,
2,
1,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 8.211
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.9455,
"at_s": 45.929,
"db_delta": -3.69,
"lanes_removed": 1.63,
"bars_held_s": 2.067,
"re_enters_at_s": 47.996
},
{
"position": 0.9704,
"at_s": 47.137,
"db_delta": -8.32,
"lanes_removed": 1.25,
"bars_held_s": 0.859,
"re_enters_at_s": 47.996
}
],
"raises": [
{
"position": 0.0124,
"start_s": 0.604,
"end_s": 43.909,
"db_delta": 129.84,
"lanes_added": 4.99,
"slope_db_per_s": 2.998
},
{
"position": 0.0373,
"start_s": 1.811,
"end_s": 5.387,
"db_delta": 3.57,
"lanes_added": 1.73,
"slope_db_per_s": 0.997
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.464
},
{
"position": 0.9871,
"at_s": 47.949,
"duration_s": 0.627
}
],
"tuttis": [
{
"position": 0.0445,
"at_s": 2.159,
"duration_s": 4.249,
"lanes": 9
},
{
"position": 0.1429,
"at_s": 6.943,
"duration_s": 5.991,
"lanes": 9
},
{
"position": 0.2734,
"at_s": 13.282,
"duration_s": 2.531,
"lanes": 9
},
{
"position": 0.3293,
"at_s": 15.999,
"duration_s": 1.834,
"lanes": 9
},
{
"position": 0.3733,
"at_s": 18.135,
"duration_s": 1.254,
"lanes": 9
},
{
"position": 0.403,
"at_s": 19.574,
"duration_s": 5.851,
"lanes": 9
},
{
"position": 0.5382,
"at_s": 26.146,
"duration_s": 1.277,
"lanes": 9
},
{
"position": 0.5684,
"at_s": 27.609,
"duration_s": 4.505,
"lanes": 9
},
{
"position": 0.6683,
"at_s": 32.461,
"duration_s": 2.554,
"lanes": 9
},
{
"position": 0.7337,
"at_s": 35.643,
"duration_s": 1.393,
"lanes": 9
},
{
"position": 0.7686,
"at_s": 37.338,
"duration_s": 1.254,
"lanes": 9
},
{
"position": 0.7983,
"at_s": 38.777,
"duration_s": 5.317,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0234,
"seconds": 1.137,
"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": 2,
"raises": 2,
"breaks": 2,
"tuttis": 12
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 3.239,
"time_to_hook_bars": 2.05,
"time_to_full_texture_s": 2.113,
"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
],
"values": [
0.0421,
0.4839,
0.624,
0.736,
0.7732,
0.788,
0.7634,
0.7486,
0.7337,
0.6178,
0.7575,
0.7723,
0.7895,
0.7621,
0.7867,
0.7513,
0.768,
0.7418,
0.7619,
0.7719,
0.6925,
0.6415,
0.5785,
0.6484,
0.6463,
0.6889,
0.7156,
0.6955,
0.7669,
0.7688,
0.7676,
0.7753,
0.7651,
0.7674,
0.7323,
0.6636,
0.7401,
0.6871,
0.7719,
0.7866,
0.7922,
0.7563,
0.7674,
0.749,
0.7768,
0.7438,
0.6916,
0.6735,
0.641,
0.6113,
0.5599,
0.634,
0.6064,
0.731,
0.793,
0.7708,
0.7603,
0.7489,
0.6935,
0.6521,
0.5425,
0.4378,
0.3805,
0.2108,
0.1138,
0.1058
],
"peak_position_normalised": 0.8298
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.5789,
"bars": 30,
"index_per_bar": [
0.5619,
0.9377,
0.9978,
0.9855,
0.9556,
1.0,
0.9923,
0.9881,
0.9803,
0.9983,
0.9833,
0.9885,
0.9909,
0.9952,
0.9953,
0.9921,
0.9511,
0.9933,
0.9934,
0.9952,
0.9754,
0.9966,
0.9833,
0.983,
0.9965,
0.9921,
0.9925,
0.995,
0.8448,
0.5257
],
"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": 1.58,
"delta": 0.376,
"at_section_boundary": true
},
{
"bar": 28,
"at_s": 44.21,
"delta": -0.15,
"at_section_boundary": false
},
{
"bar": 29,
"at_s": 45.79,
"delta": -0.319,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 2,
"steps_total": 3,
"boundary_step_share": 0.667,
"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": 1.215,
"melodic_salience": 0.6387,
"voiced_fraction": 0.194,
"note_count": 59,
"mean_lanes": 8.211,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 9.37,
"peak_position_normalised": 0.4512,
"peak_at_s": 21.92,
"arc_curve_db": [
-64.25,
-70.92,
-11.69,
-9.59,
-9.12,
-9.03,
-9.09,
-9.3,
-9.59,
-9.44,
-9.1,
-9.05,
-9.04,
-8.98,
-9.13,
-9.19,
-9.14,
-9.2,
-9.11,
-9.18,
-11.1,
-13.06,
-12.69,
-12.02,
-12.27,
-13.02,
-12.64,
-11.28,
-9.67,
-8.93,
-9.03,
-9.06,
-9.22,
-9.59,
-9.65,
-9.22,
-9.14,
-9.15,
-8.93,
-8.92,
-9.1,
-9.14,
-9.12,
-9.08,
-9.0,
-9.36,
-11.61,
-13.44,
-12.53,
-11.96,
-12.47,
-12.97,
-12.35,
-11.0,
-9.57,
-8.84,
-9.31,
-9.98,
-11.19,
-13.52,
-16.21,
-18.92,
-23.23,
-29.68,
-40.64,
-39.47
],
"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
]
},
"register": {
"melody_span_semitones": 17.0,
"melody_tessitura_midi": 52.0,
"bass_floor_band": {
"sub": 0.00368,
"low_bass": 0.14568,
"bass": 0.14697,
"low_mid": 0.17159,
"mid": 0.08681,
"upper_mid": 0.07163,
"presence": 0.19331,
"brilliance": 0.16764,
"air": 0.01254,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00368,
"low_bass": 0.14568,
"bass": 0.14697,
"low_mid": 0.17159,
"mid": 0.08681,
"upper_mid": 0.07163,
"presence": 0.19331,
"brilliance": 0.16764,
"air": 0.01254,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.01946,
"seam_ratio": 51.382,
"seam_clean": false,
"tail_rms_over_mid": 0.0006,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.9685,
"head_rms_trend": 0.8627,
"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": 2454.7,
"spectral_centroid_curve_hz": [
0.0,
3262.2,
3793.3,
2314.8,
2445.2,
2798.8,
2359.3,
2273.1,
2159.0,
2085.8,
2493.0,
2749.1,
3109.6,
2415.5,
2915.4,
2079.2,
2465.9,
1863.9,
2213.2,
2700.9,
1833.1,
1896.8,
1474.2,
2093.5,
2042.0,
3330.7,
3636.0,
2455.9,
3073.5,
2428.3,
2296.2,
2465.3,
2382.4,
2668.1,
1961.0,
2134.5,
1965.9,
1602.2,
2690.3,
3066.0,
3170.5,
2331.0,
2514.5,
2011.0,
2544.1,
2183.3,
1964.3,
2647.1,
1805.0,
2020.5,
1837.1,
2006.0,
1835.5,
3222.0,
3746.5,
2614.4,
2601.8,
2734.6,
2275.0,
2448.2,
1991.5,
2429.8,
1953.3,
2378.8,
2441.0,
2507.2
],
"spectral_rolloff85_hz_mean": 4767.7,
"spectral_flatness_mean": 0.0314,
"signature_colour": "warm"
}
}
}