music/exemplars/formula_cards/UNMATCHED__144_Champion_Cynthia.json
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"at_s": 41.912,
"db_delta": -4.74,
"lanes_removed": 1.54,
"bars_held_s": 1.997,
"re_enters_at_s": 43.909
},
{
"position": 0.9688,
"at_s": 43.119,
"db_delta": -9.77,
"lanes_removed": 1.36,
"bars_held_s": 0.789,
"re_enters_at_s": 43.909
}
],
"raises": [
{
"position": 0.0136,
"start_s": 0.604,
"end_s": 1.765,
"db_delta": 48.28,
"lanes_added": 4.92,
"slope_db_per_s": 41.585
},
{
"position": 0.4972,
"start_s": 22.129,
"end_s": 23.174,
"db_delta": 3.17,
"lanes_added": 1.54,
"slope_db_per_s": 3.03
},
{
"position": 0.589,
"start_s": 26.215,
"end_s": 28.073,
"db_delta": 2.06,
"lanes_added": 1.59,
"slope_db_per_s": 1.109
},
{
"position": 0.8598,
"start_s": 38.266,
"end_s": 40.496,
"db_delta": 1.29,
"lanes_added": 1.54,
"slope_db_per_s": 0.578
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.325
},
{
"position": 0.985,
"at_s": 43.839,
"duration_s": 0.65
}
],
"tuttis": [
{
"position": 0.3292,
"at_s": 14.652,
"duration_s": 2.577,
"lanes": 9
},
{
"position": 0.4356,
"at_s": 19.389,
"duration_s": 1.022,
"lanes": 9
},
{
"position": 0.504,
"at_s": 22.43,
"duration_s": 1.509,
"lanes": 9
},
{
"position": 0.8645,
"at_s": 38.475,
"duration_s": 0.836,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.023,
"seconds": 1.022,
"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": 4,
"breaks": 2,
"tuttis": 4
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.348,
"time_to_hook_s": 0.476,
"time_to_hook_bars": 0.2,
"time_to_full_texture_s": 5.201,
"time_to_full_texture_bars": 2.15,
"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)",
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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
],
"values": [
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0.5938,
0.663,
0.6067,
0.5598,
0.5747,
0.5679,
0.6307,
0.6137,
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0.5863,
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],
"peak_position_normalised": 0.6112
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.415,
"bars": 18,
"index_per_bar": [
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0.8353,
0.9345,
0.948,
0.893,
0.9445,
1.0,
0.9533,
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0.8442,
0.9558,
0.8525,
0.8631,
0.8551,
0.9037,
0.9126,
0.6525
],
"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": 41.05,
"delta": -0.26,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 1,
"steps_total": 1,
"boundary_step_share": 1.0,
"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": 1.708,
"melodic_salience": 0.6189,
"voiced_fraction": 0.264,
"note_count": 76,
"mean_lanes": 7.234,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 8.6,
"peak_position_normalised": 0.6148,
"peak_at_s": 27.353,
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-13.27,
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-16.22,
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2.23,
2.97,
3.72,
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5.2,
5.94,
6.69,
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8.17,
8.92,
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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
]
},
"register": {
"melody_span_semitones": 48.0,
"melody_tessitura_midi": 54.0,
"bass_floor_band": {
"sub": 0.00285,
"low_bass": 0.02534,
"bass": 0.15072,
"low_mid": 0.14365,
"mid": 0.4608,
"upper_mid": 0.18951,
"presence": 0.02255,
"brilliance": 0.00355,
"air": 0.001,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00285,
"low_bass": 0.02534,
"bass": 0.15072,
"low_mid": 0.14365,
"mid": 0.4608,
"upper_mid": 0.18951,
"presence": 0.02255,
"brilliance": 0.00355,
"air": 0.001,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.46588,
"interior_distance_median": 0.04383,
"seam_ratio": 10.629,
"seam_clean": false,
"tail_rms_over_mid": 0.0036,
"head_rms_over_mid": 0.0002,
"tail_rms_trend": -0.9198,
"head_rms_trend": 0.7488,
"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": 1448.1,
"spectral_centroid_curve_hz": [
1408.2,
1448.9,
1287.7,
1335.2,
1212.5,
1638.2,
1533.7,
1173.0,
1394.7,
1723.3,
1379.5,
1170.9,
1381.6,
1512.2,
1517.8,
1266.7,
1500.8,
1419.5,
1329.1,
1150.4,
1139.6,
1371.4,
1347.0,
1165.2,
1359.2,
1388.9,
1270.4,
1798.7,
1600.1,
1914.2,
1633.9,
1225.3,
1540.5,
1660.2,
1700.6,
1783.4,
1394.1,
1279.7,
1379.9,
1515.2,
1344.8,
1648.9,
1575.0,
1338.8,
1276.8,
1561.6,
1556.4,
1343.6,
1407.3,
1638.0,
1329.8,
1531.9,
1079.3,
1704.0,
1776.2,
1158.5,
1337.9,
1574.7,
1209.6,
1038.7
],
"spectral_rolloff85_hz_mean": 2604.5,
"spectral_flatness_mean": 0.00529,
"signature_colour": "warm"
}
}
}