music/exemplars/formula_cards/UNMATCHED__46_-_Great_Divine_Intervention.json
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{
"position": 0.8824,
"at_s": 36.827,
"db_delta": -6.87,
"lanes_removed": 0.31,
"bars_held_s": 4.319,
"re_enters_at_s": 41.146
},
{
"position": 0.9114,
"at_s": 38.034,
"db_delta": -6.13,
"lanes_removed": -0.0,
"bars_held_s": 3.111,
"re_enters_at_s": 41.146
},
{
"position": 0.9403,
"at_s": 39.242,
"db_delta": -8.99,
"lanes_removed": -0.0,
"bars_held_s": 1.904,
"re_enters_at_s": 41.146
},
{
"position": 0.9692,
"at_s": 40.449,
"db_delta": -54.56,
"lanes_removed": -0.0,
"bars_held_s": 0.604,
"re_enters_at_s": 41.053
}
],
"raises": [
{
"position": 0.0145,
"start_s": 0.604,
"end_s": 1.091,
"db_delta": 91.14,
"lanes_added": 4.83,
"slope_db_per_s": 186.918
},
{
"position": 0.0434,
"start_s": 1.811,
"end_s": 27.957,
"db_delta": 7.05,
"lanes_added": 0.83,
"slope_db_per_s": 0.27
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.348
},
{
"position": 0.8813,
"at_s": 36.78,
"duration_s": 4.946
}
],
"tuttis": [
{
"position": 0.1703,
"at_s": 7.105,
"duration_s": 6.803,
"lanes": 9
},
{
"position": 0.3984,
"at_s": 16.625,
"duration_s": 3.065,
"lanes": 9
},
{
"position": 0.5697,
"at_s": 23.777,
"duration_s": 0.859,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.1279,
"seconds": 5.339,
"threshold": "40 dB below the track's own p95 RMS",
"note": "Section 11.2 treats rest as a FIRST-CLASS parameter, not an absence."
},
"counts": {
"drops": 7,
"raises": 2,
"breaks": 2,
"tuttis": 3
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.418,
"time_to_hook_s": 0.569,
"time_to_hook_bars": 0.34,
"time_to_full_texture_s": 3.831,
"time_to_full_texture_bars": 2.29,
"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
],
"values": [
0.0167,
0.4068,
0.3084,
0.4601,
0.5562,
0.6018,
0.6517,
0.6469,
0.6331,
0.658,
0.6615,
0.673,
0.6937,
0.658,
0.6688,
0.6538,
0.6418,
0.6348,
0.6295,
0.5981,
0.6051,
0.6079,
0.6446,
0.6653,
0.724,
0.7146,
0.71,
0.6444,
0.6386,
0.6568,
0.6352,
0.7119,
0.7077,
0.6652,
0.6249,
0.5763,
0.5169,
0.524,
0.5403,
0.416,
0.4574,
0.4838,
0.476,
0.4914,
0.4549,
0.3618,
0.2972,
0.2644,
0.2373,
0.1933,
0.1606,
0.1432,
0.1384,
0.1747,
0.1698,
0.0,
0.0
],
"peak_position_normalised": 0.4496
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.6719,
"bars": 24,
"index_per_bar": [
0.5665,
0.7621,
0.9116,
0.9582,
1.0,
0.9997,
0.996,
0.9998,
0.9647,
0.9623,
0.9982,
0.9929,
0.9846,
0.96,
0.9705,
0.9204,
0.9107,
0.7802,
0.8219,
0.7844,
0.4132,
0.1233,
0.0146,
0.008
],
"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": 1.67,
"delta": 0.196,
"at_section_boundary": true
},
{
"bar": 20,
"at_s": 33.44,
"delta": -0.371,
"at_section_boundary": false
},
{
"bar": 21,
"at_s": 35.11,
"delta": -0.29,
"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": 0.479,
"melodic_salience": 0.5104,
"voiced_fraction": 0.1129,
"note_count": 20,
"mean_lanes": 6.484,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 53.67,
"peak_position_normalised": 0.438,
"peak_at_s": 18.274,
"arc_curve_db": [
-52.87,
-63.99,
-21.54,
-16.95,
-12.38,
-11.51,
-11.51,
-11.13,
-10.81,
-10.79,
-10.66,
-10.36,
-10.02,
-10.42,
-10.71,
-11.17,
-11.25,
-11.33,
-11.52,
-11.22,
-10.71,
-10.3,
-10.34,
-10.41,
-9.26,
-8.54,
-9.54,
-10.65,
-11.01,
-10.45,
-10.05,
-9.81,
-9.68,
-9.87,
-11.19,
-12.32,
-12.48,
-13.48,
-16.59,
-17.25,
-15.69,
-15.85,
-17.0,
-18.33,
-19.7,
-23.57,
-27.56,
-30.9,
-36.3,
-44.06,
-52.39,
-60.61,
-68.56,
-80.88,
-141.44,
-196.46,
-116.92
],
"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
]
},
"register": {
"melody_span_semitones": 43.33,
"melody_tessitura_midi": 45.0,
"bass_floor_band": {
"sub": 0.00013,
"low_bass": 0.02283,
"bass": 0.0925,
"low_mid": 0.1297,
"mid": 0.25362,
"upper_mid": 0.30292,
"presence": 0.15575,
"brilliance": 0.03386,
"air": 0.00869,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00013,
"low_bass": 0.02283,
"bass": 0.0925,
"low_mid": 0.1297,
"mid": 0.25362,
"upper_mid": 0.30292,
"presence": 0.15575,
"brilliance": 0.03386,
"air": 0.00869,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.03042,
"seam_ratio": 32.872,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": 0.0,
"head_rms_trend": 0.8016,
"baked_fade_out": false,
"baked_fade_in": true
},
"ending": "through_or_loop",
"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": 2630.1,
"spectral_centroid_curve_hz": [
0.0,
3198.5,
2183.9,
2824.5,
2597.1,
3374.1,
2642.3,
1875.2,
2495.8,
1744.2,
1908.1,
2161.2,
2684.4,
1828.6,
2451.0,
2316.4,
1887.7,
1650.7,
1694.1,
1815.5,
1650.3,
1442.0,
1392.7,
1751.9,
2584.8,
1732.0,
2204.7,
1574.4,
1504.7,
1815.8,
1893.3,
3083.8,
2541.7,
1744.6,
2409.2,
1961.0,
1424.2,
1217.3,
2938.5,
3250.3,
2933.5,
2527.4,
2787.6,
2438.1,
3159.5,
3512.4,
4733.6,
5370.2,
6088.7,
6178.4,
5235.9,
4713.4,
4573.5,
5785.6,
5627.5,
0.0,
0.0
],
"spectral_rolloff85_hz_mean": 5131.8,
"spectral_flatness_mean": 0.06266,
"signature_colour": "bright"
}
}
}