music/exemplars/formula_cards/UNMATCHED__03_At_Doom_s_Gate.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__03_At_Doom_s_Gate",
"title": null,
"game": null,
"composer": null,
"purpose_class": null,
"source_path": "D:\\audio\\exemplars\\iTunes_Sweep\\Mick Gordon\\DOOM (Original Game Soundtrack)\\03 At Doom's Gate.m4a",
"sha256": "0b9ceaca8da5c1fd3eb5ce2fbf03449334f5cfa44f30d67e4fef0dd78308d5ae",
"bytes": 2944309,
"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": "2026-08-07T04:46:56+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": 70.771,
"section_boundaries_s": [
0.0,
6.409,
42.005,
48.135,
65.062,
70.771
],
"section_count": 5,
"repeat_map": [
{
"section": 0,
"most_like_section": null,
"similarity": 0.0,
"is_repeat": false
},
{
"section": 1,
"most_like_section": 0,
"similarity": 0.9407,
"is_repeat": true
},
{
"section": 2,
"most_like_section": 1,
"similarity": 0.8545,
"is_repeat": false
},
{
"section": 3,
"most_like_section": 2,
"similarity": 0.9912,
"is_repeat": true
},
{
"section": 4,
"most_like_section": 0,
"similarity": 0.8709,
"is_repeat": false
}
],
"novelty_peak_strength": [
0.5629,
0.2856,
0.2733,
1.0
],
"method": "checkerboard-kernel novelty over a chroma+MFCC self-similarity matrix"
},
"tempo_and_time_grammar": {
"tempo_function": {
"baseline_bpm": 107.67,
"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
],
"curve_bpm": [
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
152.0,
123.05,
123.05,
123.05,
123.05,
123.05,
123.05,
123.05,
123.05,
152.0,
152.0,
152.0,
152.0,
152.0,
123.05,
123.05,
123.05,
161.5,
287.11,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
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,
161.5,
53.83,
53.83,
53.83,
53.83,
53.83,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
161.5,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
53.83,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
107.67,
161.5,
161.5,
136.0,
136.0,
136.0,
136.0,
136.0,
136.0,
136.0,
143.55
],
"adjustment_events": [
{
"position_s": 0.39,
"duration_s": 10.61,
"delta_bpm": 34.2,
"shape": "step"
},
{
"position_s": 14.07,
"duration_s": 9.57,
"delta_bpm": 45.77,
"shape": "step"
},
{
"position_s": 23.82,
"duration_s": 1.6,
"delta_bpm": -25.93,
"shape": "step"
},
{
"position_s": 25.61,
"duration_s": 3.39,
"delta_bpm": 40.55,
"shape": "step"
},
{
"position_s": 29.19,
"duration_s": 2.46,
"delta_bpm": -35.58,
"shape": "step"
},
{
"position_s": 31.83,
"duration_s": 3.58,
"delta_bpm": 41.23,
"shape": "step"
},
{
"position_s": 35.6,
"duration_s": 5.83,
"delta_bpm": -42.11,
"shape": "step"
},
{
"position_s": 66.27,
"duration_s": 3.88,
"delta_bpm": 25.21,
"shape": "step"
}
],
"dispersion_bpm": 35.593,
"rubato_depth_bpm": 107.666
},
"global_bpm": 107.67,
"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": 107.67,
"tempo_bpm_median_local": 107.67,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0551
},
"dominant_onset_period_s": 0.5573,
"dominant_onset_period_bpm": 107.67,
"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": 0.682,
"onset_rate_per_s": 10.767
}
},
"tonality": {
"key": "D",
"mode": "minor",
"windowed_key_agreement": 0.8889,
"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": 0.511,
"onset_bars": 0.23,
"pitch_contour": "--U-D-UDD-UDU-D",
"interval_vocabulary_semitones": [
0,
2,
3,
5,
7,
8
],
"intervals": [
-0.33,
0.33,
7.33,
0.33,
-2.67,
-0.33,
2.67,
-5.33,
-2.0,
-0.33,
7.67,
-7.17,
7.17,
0.33,
-2.67
],
"range_semitones": 8.0,
"distinctive_deviation": {
"largest_interval_semitones": 7.67,
"at_note_index": 11,
"is_licensed_leap": false
}
},
"motif_economy": {
"self_similarity_peak": 0.9268,
"self_similarity_baseline": 0.8686,
"self_similarity_lift": 0.0582,
"recurrence_lag_s": 5.944,
"interval_3gram_repetition": 0.5253,
"interval_4gram_repetition": 0.3878
},
"lane_analysis": {
"method": "spectral_band_proxy",
"confidence": "LOW-FOR-ROSTER, USABLE-FOR-ARRANGEMENT",
"method_note": "Section 11.1 requires the lane method be declared. Bands are not instruments: two instruments in one octave read as one lane, and one instrument spanning two octaves reads as two. Entry/exit and simultaneity shapes are trustworthy; a roster is not claimed.",
"lane_roster_bands": [
"sub",
"low_bass",
"bass",
"low_mid",
"mid",
"upper_mid",
"presence",
"brilliance",
"air",
"ultra"
],
"entry_exit_map": [
{
"lane": "sub",
"band_hz": [
20,
45
],
"entry_s": 0.255,
"exit_s": 66.363,
"active_fraction": 0.582,
"segments": [
[
0.255,
4.365
],
[
6.223,
10.286
],
[
24.102,
25.008
],
[
25.24,
26.076
],
[
27.121,
27.655
],
[
30.07,
30.952
],
[
31.231,
31.997
],
[
33.088,
33.599
],
[
36.084,
36.897
],
[
37.175,
37.965
],
[
39.033,
39.845
],
[
40.171,
40.983
],
[
41.123,
42.818
],
[
43.096,
48.739
],
[
49.041,
54.729
],
[
55.008,
60.72
],
[
60.976,
65.643
],
[
65.805,
66.363
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.209,
"exit_s": 67.5,
"active_fraction": 0.8747,
"segments": [
[
0.209,
2.554
],
[
3.019,
3.692
],
[
5.712,
8.382
],
[
10.937,
17.229
],
[
17.508,
23.336
],
[
23.824,
29.141
],
[
29.373,
67.5
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.186,
"exit_s": 67.849,
"active_fraction": 0.9449,
"segments": [
[
0.186,
2.694
],
[
3.204,
5.759
],
[
6.13,
8.731
],
[
8.916,
67.849
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.209,
"exit_s": 67.036,
"active_fraction": 0.8694,
"segments": [
[
0.209,
0.998
],
[
2.461,
3.344
],
[
3.599,
4.598
],
[
8.916,
67.036
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.186,
"exit_s": 66.85,
"active_fraction": 0.875,
"segments": [
[
0.186,
0.929
],
[
2.531,
4.365
],
[
8.499,
66.85
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.186,
"exit_s": 65.875,
"active_fraction": 0.8891,
"segments": [
[
0.186,
1.347
],
[
1.463,
3.855
],
[
6.153,
12.701
],
[
12.98,
20.317
],
[
20.596,
65.875
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.186,
"exit_s": 67.338,
"active_fraction": 0.8507,
"segments": [
[
0.186,
0.813
],
[
1.207,
3.529
],
[
6.246,
8.057
],
[
8.661,
9.497
],
[
11.401,
12.794
],
[
14.42,
16.417
],
[
16.463,
19.737
],
[
20.596,
21.223
],
[
21.873,
32.044
],
[
32.531,
67.338
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 12.005,
"exit_s": 64.993,
"active_fraction": 0.5466,
"segments": [
[
12.005,
12.516
],
[
17.763,
18.576
],
[
22.686,
25.774
],
[
28.955,
30.604
],
[
31.045,
31.788
],
[
34.412,
64.993
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 23.545,
"exit_s": 64.993,
"active_fraction": 0.4511,
"segments": [
[
23.545,
24.729
],
[
25.008,
25.658
],
[
29.141,
30.534
],
[
31.115,
31.626
],
[
35.503,
36.479
],
[
36.943,
37.593
],
[
38.754,
64.993
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.5925,
"sub|bass": 0.6048,
"sub|low_mid": 0.5694,
"sub|mid": 0.5883,
"sub|upper_mid": 0.6282,
"sub|presence": 0.6144,
"sub|brilliance": 0.5744,
"sub|air": 0.6001,
"low_bass|bass": 0.9104,
"low_bass|low_mid": 0.864,
"low_bass|mid": 0.8732,
"low_bass|upper_mid": 0.9003,
"low_bass|presence": 0.9075,
"low_bass|brilliance": 0.6104,
"low_bass|air": 0.505,
"bass|low_mid": 0.9115,
"bass|mid": 0.9128,
"bass|upper_mid": 0.9276,
"bass|presence": 0.8872,
"bass|brilliance": 0.5785,
"bass|air": 0.4774,
"low_mid|mid": 0.9685,
"low_mid|upper_mid": 0.9027,
"low_mid|presence": 0.8652,
"low_mid|brilliance": 0.6287,
"low_mid|air": 0.5189,
"mid|upper_mid": 0.9259,
"mid|presence": 0.8779,
"mid|brilliance": 0.6247,
"mid|air": 0.5156,
"upper_mid|presence": 0.9028,
"upper_mid|brilliance": 0.6148,
"upper_mid|air": 0.5074,
"presence|brilliance": 0.6425,
"presence|air": 0.5303,
"brilliance|air": 0.8253
},
"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
],
"lanes": [
0,
4,
7,
7,
7,
6,
4,
5,
5,
5,
5,
5,
5,
6,
6,
6,
5,
6,
7,
6,
5,
4,
4,
4,
2,
1,
1,
1,
1,
1,
1,
2,
1,
2,
7,
5,
5,
5,
5,
5,
6,
6,
6,
5,
4,
4,
5,
5,
6,
7,
6,
6,
5,
5,
5,
5,
4,
4,
4,
5,
5,
5,
6,
6,
6,
7,
7,
7,
6,
4,
6,
6,
7,
7,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
6,
5,
5,
6,
7,
7,
7,
7,
7,
6,
6,
6,
7,
7,
6,
6,
6,
6,
5,
6,
6,
6,
6,
6,
6,
6,
6,
7,
7,
7,
6,
8,
7,
7,
6,
7,
7,
8,
9,
9,
9,
9,
8,
8,
9,
9,
9,
7,
7,
6,
6,
6,
6,
6,
7,
7,
7,
6,
6,
6,
6,
7,
7,
6,
7,
7,
7,
8,
8,
8,
9,
9,
9,
7,
7,
6,
8,
9,
9,
8,
7,
6,
6,
5,
6,
6,
6,
7,
7,
6,
6,
7,
6,
7,
8,
7,
7,
7,
7,
7,
8,
8,
8,
9,
9,
8,
8,
8,
8,
9,
9,
8,
8,
7,
7,
7,
7,
8,
8,
9,
9,
9,
9,
8,
8,
9,
9,
9,
9,
8,
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,
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,
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,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
9,
7,
7,
7,
7,
6,
7,
6,
6,
5,
5,
4,
3,
3,
2,
2,
1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0
],
"max": 9,
"mean": 6.884
},
"register_spacing_octaves": [
1.085,
1.0,
0.99,
0.99,
0.99,
0.99,
1.0,
1.0
]
},
"event_grammar": {
"drops": [
{
"position": 0.0509,
"at_s": 3.599,
"db_delta": -4.07,
"lanes_removed": 1.53,
"bars_held_s": 2.206,
"re_enters_at_s": 5.805
},
{
"position": 0.3626,
"at_s": 25.658,
"db_delta": -2.67,
"lanes_removed": 1.59,
"bars_held_s": 1.324,
"re_enters_at_s": 26.982
},
{
"position": 0.4318,
"at_s": 30.557,
"db_delta": -2.95,
"lanes_removed": 1.52,
"bars_held_s": 0.302,
"re_enters_at_s": 30.859
},
{
"position": 0.4488,
"at_s": 31.765,
"db_delta": -4.14,
"lanes_removed": 2.33,
"bars_held_s": 1.022,
"re_enters_at_s": 32.787
},
{
"position": 0.9167,
"at_s": 64.877,
"db_delta": -4.55,
"lanes_removed": 1.54,
"bars_held_s": 5.294,
"re_enters_at_s": 70.171
},
{
"position": 0.9403,
"at_s": 66.548,
"db_delta": -3.25,
"lanes_removed": 1.5,
"bars_held_s": 3.622,
"re_enters_at_s": 70.171
},
{
"position": 0.9574,
"at_s": 67.756,
"db_delta": -6.44,
"lanes_removed": 2.13,
"bars_held_s": 2.415,
"re_enters_at_s": 70.171
},
{
"position": 0.9745,
"at_s": 68.963,
"db_delta": -6.27,
"lanes_removed": -0.0,
"bars_held_s": 1.207,
"re_enters_at_s": 70.171
}
],
"raises": [
{
"position": 0.0085,
"start_s": 0.604,
"end_s": 0.975,
"db_delta": 11.44,
"lanes_added": 1.06,
"slope_db_per_s": 30.8
},
{
"position": 0.0814,
"start_s": 5.759,
"end_s": 66.92,
"db_delta": 4.68,
"lanes_added": 1.55,
"slope_db_per_s": 0.076
},
{
"position": 0.124,
"start_s": 8.777,
"end_s": 9.149,
"db_delta": -1.38,
"lanes_added": 1.53,
"slope_db_per_s": -3.713
},
{
"position": 0.1657,
"start_s": 11.726,
"end_s": 66.038,
"db_delta": 6.03,
"lanes_added": 1.0,
"slope_db_per_s": 0.111
},
{
"position": 0.3366,
"start_s": 23.824,
"end_s": 25.635,
"db_delta": 4.43,
"lanes_added": 1.53,
"slope_db_per_s": 2.446
},
{
"position": 0.5486,
"start_s": 38.824,
"end_s": 64.877,
"db_delta": 4.39,
"lanes_added": 1.5,
"slope_db_per_s": 0.169
}
],
"breaks": [
{
"position": 0.9813,
"at_s": 69.451,
"duration_s": 1.3
}
],
"tuttis": [
{
"position": 0.5515,
"at_s": 39.033,
"duration_s": 0.813,
"lanes": 9
},
{
"position": 0.5676,
"at_s": 40.171,
"duration_s": 2.647,
"lanes": 9
},
{
"position": 0.609,
"at_s": 43.096,
"duration_s": 5.642,
"lanes": 9
},
{
"position": 0.6929,
"at_s": 49.041,
"duration_s": 5.689,
"lanes": 9
},
{
"position": 0.7773,
"at_s": 55.008,
"duration_s": 5.712,
"lanes": 9
},
{
"position": 0.8616,
"at_s": 60.976,
"duration_s": 3.947,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0213,
"seconds": 1.509,
"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": 8,
"raises": 6,
"breaks": 1,
"tuttis": 6
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.163,
"time_to_hook_s": 0.511,
"time_to_hook_bars": 0.23,
"time_to_full_texture_s": 24.102,
"time_to_full_texture_bars": 10.81,
"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
],
"values": [
0.2515,
0.4718,
0.4185,
0.4037,
0.3383,
0.2893,
0.1448,
0.0941,
0.1408,
0.3943,
0.4519,
0.3615,
0.3864,
0.2936,
0.2488,
0.3112,
0.4025,
0.3819,
0.4127,
0.3709,
0.391,
0.4008,
0.3954,
0.3861,
0.472,
0.4553,
0.4344,
0.3948,
0.4328,
0.4383,
0.4641,
0.4833,
0.5489,
0.6207,
0.69,
0.4888,
0.4322,
0.478,
0.4502,
0.501,
0.5637,
0.6057,
0.6339,
0.4697,
0.4359,
0.4836,
0.4514,
0.4992,
0.5692,
0.6249,
0.6212,
0.547,
0.5352,
0.6348,
0.6416,
0.6909,
0.7527,
0.7887,
0.8107,
0.8197,
0.8081,
0.8054,
0.8014,
0.8418,
0.8044,
0.7908,
0.8087,
0.8482,
0.8001,
0.7972,
0.8224,
0.8483,
0.7653,
0.7727,
0.7891,
0.8577,
0.7882,
0.7871,
0.8192,
0.8527,
0.804,
0.7942,
0.7755,
0.8316,
0.7819,
0.7885,
0.8269,
0.7493,
0.4876,
0.3532,
0.2354,
0.1343,
0.0329,
0.0196,
0.0205,
0.0077
],
"peak_position_normalised": 0.619
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.229,
"bars": 31,
"index_per_bar": [
0.6361,
0.6364,
0.4308,
0.6159,
0.6281,
0.7176,
0.7216,
0.7064,
0.7494,
0.7177,
0.8807,
0.8947,
0.78,
0.9157,
0.8454,
0.85,
0.9456,
0.9245,
0.9899,
0.9882,
0.9971,
0.9908,
0.9993,
1.0,
0.986,
0.9946,
0.9912,
0.9843,
0.9996,
0.8009,
0.2293
],
"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": 2,
"at_s": 4.46,
"delta": -0.206,
"at_section_boundary": true
},
{
"bar": 3,
"at_s": 6.69,
"delta": 0.185,
"at_section_boundary": true
},
{
"bar": 10,
"at_s": 22.29,
"delta": 0.163,
"at_section_boundary": false
},
{
"bar": 29,
"at_s": 64.64,
"delta": -0.199,
"at_section_boundary": true
},
{
"bar": 30,
"at_s": 66.87,
"delta": -0.572,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 4,
"steps_total": 5,
"boundary_step_share": 0.8,
"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": 1.441,
"melodic_salience": 0.744,
"voiced_fraction": 0.3604,
"note_count": 102,
"mean_lanes": 6.884,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 18.12,
"peak_position_normalised": 0.6337,
"peak_at_s": 44.838,
"arc_curve_db": [
-11.41,
-16.5,
-11.76,
-15.56,
-18.08,
-20.65,
-23.75,
-25.66,
-21.26,
-13.13,
-11.83,
-15.23,
-17.97,
-20.03,
-21.85,
-22.47,
-18.74,
-14.88,
-14.48,
-14.91,
-15.07,
-14.66,
-14.43,
-15.25,
-15.41,
-14.93,
-14.43,
-13.99,
-13.77,
-12.91,
-12.92,
-13.77,
-12.35,
-10.56,
-10.02,
-11.62,
-12.57,
-11.78,
-11.4,
-12.91,
-12.57,
-10.8,
-10.52,
-11.92,
-13.29,
-12.39,
-11.65,
-12.68,
-12.35,
-10.52,
-10.05,
-11.66,
-12.23,
-10.47,
-9.51,
-9.02,
-7.55,
-5.37,
-5.44,
-5.64,
-5.15,
-4.98,
-5.59,
-5.6,
-5.44,
-5.69,
-5.87,
-5.84,
-5.32,
-5.12,
-5.67,
-6.05,
-6.26,
-5.99,
-5.88,
-6.11,
-5.6,
-5.28,
-5.83,
-5.89,
-5.42,
-5.48,
-6.03,
-6.29,
-5.87,
-5.82,
-6.11,
-7.68,
-12.45,
-17.44,
-21.0,
-27.02,
-33.64,
-40.58,
-50.33,
-36.46
],
"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
]
},
"register": {
"melody_span_semitones": 10.33,
"melody_tessitura_midi": 38.33,
"bass_floor_band": {
"sub": 0.39075,
"low_bass": 0.30989,
"bass": 0.12199,
"low_mid": 0.07376,
"mid": 0.02736,
"upper_mid": 0.02084,
"presence": 0.02435,
"brilliance": 0.02254,
"air": 0.00827,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.39075,
"low_bass": 0.30989,
"bass": 0.12199,
"low_mid": 0.07376,
"mid": 0.02736,
"upper_mid": 0.02084,
"presence": 0.02435,
"brilliance": 0.02254,
"air": 0.00827,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.1838,
"interior_distance_median": 0.01526,
"seam_ratio": 12.047,
"seam_clean": false,
"tail_rms_over_mid": 0.0017,
"head_rms_over_mid": 0.4818,
"tail_rms_trend": -0.9828,
"head_rms_trend": 0.63,
"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": 1676.6,
"spectral_centroid_curve_hz": [
3683.6,
1242.2,
1259.1,
1877.4,
1258.2,
683.7,
485.5,
388.0,
304.0,
1216.8,
1205.3,
1791.0,
1406.7,
696.7,
832.5,
1289.3,
1822.5,
750.0,
441.3,
441.1,
917.3,
1025.6,
892.1,
846.4,
1819.8,
1400.5,
808.0,
710.3,
1341.9,
1285.7,
988.0,
1611.4,
2315.6,
1700.8,
2853.4,
874.3,
814.7,
832.7,
897.3,
1605.4,
1867.1,
1511.9,
2720.2,
697.0,
1038.8,
1137.3,
995.5,
1588.1,
1920.9,
1808.9,
2267.2,
1388.4,
1901.9,
1891.2,
2382.4,
2290.4,
2465.5,
2264.0,
2336.2,
2612.1,
2137.3,
2327.8,
2338.2,
3047.2,
2272.8,
2327.2,
2793.8,
3337.2,
2079.5,
2259.0,
2862.3,
3695.3,
1879.0,
2309.4,
3094.9,
3733.9,
2041.6,
2185.9,
3003.1,
3504.0,
2277.4,
2320.7,
3037.6,
3347.4,
2152.7,
2449.0,
3400.2,
2777.9,
688.6,
614.1,
403.0,
468.5,
347.3,
255.9,
365.1,
143.6
],
"spectral_rolloff85_hz_mean": 3655.9,
"spectral_flatness_mean": 0.01493,
"signature_colour": "warm"
}
}
}