music/exemplars/formula_cards/UNMATCHED__09_-_The_Curse.json
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"lanes_removed": -0.0,
"bars_held_s": 0.441,
"re_enters_at_s": 47.113
}
],
"raises": [
{
"position": 0.0126,
"start_s": 0.604,
"end_s": 36.827,
"db_delta": 90.86,
"lanes_added": 6.46,
"slope_db_per_s": 2.508
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.348
},
{
"position": 0.9458,
"at_s": 45.209,
"duration_s": 2.577
}
],
"tuttis": [
{
"position": 0.0126,
"at_s": 0.604,
"duration_s": 40.171,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0622,
"seconds": 2.972,
"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": 1,
"breaks": 2,
"tuttis": 1
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.372,
"time_to_hook_s": null,
"time_to_hook_bars": null,
"time_to_full_texture_s": 0.534,
"time_to_full_texture_bars": 0.44,
"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
],
"values": [
0.0619,
0.5311,
0.6337,
0.6634,
0.6644,
0.6658,
0.6896,
0.7316,
0.751,
0.7391,
0.7087,
0.6921,
0.6892,
0.7035,
0.7175,
0.7093,
0.7006,
0.6905,
0.6748,
0.6686,
0.6765,
0.6945,
0.7017,
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0.6566,
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0.7388,
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0.686,
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0.5537,
0.5363,
0.5216,
0.4917,
0.4273,
0.4408,
0.266,
0.1388,
0.049,
0.041,
0.0349,
0.0637,
0.0,
0.0
],
"peak_position_normalised": 0.122
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.2074,
"bars": 39,
"index_per_bar": [
0.7846,
0.9978,
0.9927,
0.9956,
0.9972,
0.9961,
0.9961,
0.998,
1.0,
0.9952,
0.9945,
0.9933,
0.9963,
0.9992,
0.993,
0.9956,
0.9977,
0.9954,
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0.9985,
1.0,
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0.9946,
0.9929,
0.9985,
0.9985,
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0.9956,
0.9976,
0.9956,
0.9934,
0.9977,
0.9997,
0.9779,
0.8393,
0.4567,
0.0482,
0.0404,
0.0075
],
"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": 1.21,
"delta": 0.213,
"at_section_boundary": true
},
{
"bar": 35,
"at_s": 42.26,
"delta": -0.383,
"at_section_boundary": false
},
{
"bar": 36,
"at_s": 43.47,
"delta": -0.409,
"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": 0.0,
"melodic_salience": 0.0,
"voiced_fraction": 0.0022,
"note_count": 0,
"mean_lanes": 7.895,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 24.88,
"peak_position_normalised": 0.1249,
"peak_at_s": 5.968,
"arc_curve_db": [
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-60.83,
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-16.96,
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-15.12,
-14.37,
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-16.51,
-16.13,
-15.63,
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-16.21,
-16.31,
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-17.01,
-16.29,
-15.82,
-16.09,
-17.09,
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-25.36,
-27.7,
-30.21,
-33.46,
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-47.99,
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],
"arc_times_s": [
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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
]
},
"register": {
"melody_span_semitones": null,
"melody_tessitura_midi": null,
"bass_floor_band": {
"sub": 0.00756,
"low_bass": 0.01642,
"bass": 0.0984,
"low_mid": 0.26393,
"mid": 0.31029,
"upper_mid": 0.16089,
"presence": 0.09321,
"brilliance": 0.04868,
"air": 0.0006,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00756,
"low_bass": 0.01642,
"bass": 0.0984,
"low_mid": 0.26393,
"mid": 0.31029,
"upper_mid": 0.16089,
"presence": 0.09321,
"brilliance": 0.04868,
"air": 0.0006,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.01086,
"seam_ratio": 92.101,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": 0.0,
"head_rms_trend": 0.807,
"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": 1590.2,
"spectral_centroid_curve_hz": [
0.0,
1871.5,
1733.9,
1747.6,
1495.3,
1499.7,
1466.6,
1639.4,
1588.0,
1547.5,
1445.4,
1635.9,
1743.6,
1654.7,
1729.3,
1420.3,
1639.7,
1574.0,
1388.8,
1548.2,
1821.8,
1572.1,
1685.1,
1583.7,
1521.5,
1493.6,
1629.4,
1665.2,
1745.4,
1544.0,
1595.0,
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1649.0,
1801.7,
1690.5,
1665.4,
1636.0,
1443.4,
1530.6,
1624.7,
1495.0,
1751.5,
1630.3,
1489.2,
1589.7,
1690.4,
1664.0,
1613.4,
1641.6,
1561.4,
1668.1,
1734.1,
1565.3,
1805.8,
1631.7,
1528.3,
1440.3,
1447.6,
1680.9,
1688.7,
1658.4,
1671.1,
3347.9,
0.0,
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],
"spectral_rolloff85_hz_mean": 3147.3,
"spectral_flatness_mean": 0.04801,
"signature_colour": "warm"
}
}
}