music/exemplars/formula_cards/UNMATCHED__81_A_Mysterious_Figure.json
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"db_delta": -13.96,
"lanes_removed": 3.04,
"bars_held_s": 0.836,
"re_enters_at_s": 42.191
}
],
"raises": [
{
"position": 0.0141,
"start_s": 0.604,
"end_s": 0.697,
"db_delta": 133.81,
"lanes_added": 6.78,
"slope_db_per_s": 1440.71
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.464
},
{
"position": 0.9799,
"at_s": 41.912,
"duration_s": 0.859
}
],
"tuttis": [
{
"position": 0.1303,
"at_s": 5.573,
"duration_s": 1.347,
"lanes": 9
},
{
"position": 0.1705,
"at_s": 7.291,
"duration_s": 2.09,
"lanes": 9
},
{
"position": 0.2834,
"at_s": 12.121,
"duration_s": 1.37,
"lanes": 9
},
{
"position": 0.3415,
"at_s": 14.605,
"duration_s": 1.115,
"lanes": 9
},
{
"position": 0.513,
"at_s": 21.943,
"duration_s": 1.37,
"lanes": 9
},
{
"position": 0.5537,
"at_s": 23.684,
"duration_s": 2.113,
"lanes": 9
},
{
"position": 0.6661,
"at_s": 28.491,
"duration_s": 1.37,
"lanes": 9
},
{
"position": 0.7258,
"at_s": 31.045,
"duration_s": 1.068,
"lanes": 9
},
{
"position": 0.8963,
"at_s": 38.336,
"duration_s": 1.3,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.032,
"seconds": 1.369,
"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": 3,
"raises": 1,
"breaks": 2,
"tuttis": 9
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 0.592,
"time_to_hook_bars": 0.35,
"time_to_full_texture_s": 0.627,
"time_to_full_texture_bars": 0.37,
"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
],
"values": [
0.0685,
0.5985,
0.6383,
0.6622,
0.5709,
0.632,
0.6882,
0.7179,
0.7077,
0.7419,
0.7537,
0.7407,
0.7655,
0.6997,
0.6904,
0.6894,
0.702,
0.7483,
0.6952,
0.6628,
0.7368,
0.7298,
0.7483,
0.6931,
0.7643,
0.761,
0.75,
0.7216,
0.6749,
0.7224,
0.7166,
0.7408,
0.7433,
0.7628,
0.7721,
0.7046,
0.6668,
0.7005,
0.7144,
0.7349,
0.6962,
0.7427,
0.7381,
0.7319,
0.7525,
0.6885,
0.7586,
0.6851,
0.7709,
0.7019,
0.6781,
0.7035,
0.6792,
0.6076,
0.5464,
0.3004,
0.1264,
0.0032
],
"peak_position_normalised": 0.1813
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.6719,
"bars": 25,
"index_per_bar": [
0.7498,
0.9204,
0.9473,
0.9976,
0.9898,
0.9941,
0.9663,
0.9906,
0.9602,
0.981,
0.9688,
0.9601,
0.9678,
0.997,
0.9957,
0.98,
0.9741,
1.0,
0.9664,
0.9677,
0.9799,
0.9435,
0.9795,
0.9824,
0.598
],
"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": 0.171,
"at_section_boundary": true
},
{
"bar": 24,
"at_s": 40.13,
"delta": -0.384,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 2,
"steps_total": 2,
"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": 1.473,
"melodic_salience": 0.7706,
"voiced_fraction": 0.337,
"note_count": 63,
"mean_lanes": 8.029,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 8.89,
"peak_position_normalised": 0.2074,
"peak_at_s": 8.87,
"arc_curve_db": [
-65.39,
-72.98,
-13.04,
-11.31,
-13.93,
-14.5,
-11.86,
-10.67,
-10.58,
-10.15,
-10.03,
-10.06,
-9.7,
-9.68,
-10.23,
-10.5,
-10.53,
-10.43,
-10.69,
-11.14,
-10.26,
-10.19,
-10.55,
-9.88,
-10.2,
-10.47,
-10.03,
-10.71,
-11.16,
-10.69,
-10.66,
-10.12,
-10.12,
-9.91,
-9.61,
-9.89,
-10.22,
-10.53,
-10.63,
-10.42,
-10.69,
-11.09,
-10.32,
-10.26,
-10.39,
-9.98,
-10.25,
-10.44,
-10.12,
-10.6,
-11.19,
-11.16,
-12.28,
-14.58,
-18.91,
-26.12,
-51.57,
-91.98
],
"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
]
},
"register": {
"melody_span_semitones": 9.33,
"melody_tessitura_midi": 45.0,
"bass_floor_band": {
"sub": 0.0324,
"low_bass": 0.19396,
"bass": 0.21721,
"low_mid": 0.12649,
"mid": 0.14968,
"upper_mid": 0.09643,
"presence": 0.14951,
"brilliance": 0.02753,
"air": 0.00654,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.0324,
"low_bass": 0.19396,
"bass": 0.21721,
"low_mid": 0.12649,
"mid": 0.14968,
"upper_mid": 0.09643,
"presence": 0.14951,
"brilliance": 0.02753,
"air": 0.00654,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.03167,
"seam_ratio": 31.576,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8409,
"head_rms_trend": 0.5169,
"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": 2050.7,
"spectral_centroid_curve_hz": [
0.0,
2479.7,
1665.4,
2251.8,
1775.5,
1965.3,
3036.2,
1866.4,
1400.7,
1971.5,
2086.2,
1788.7,
2359.9,
1734.8,
1890.5,
2026.1,
2357.7,
2350.9,
1407.9,
2310.8,
1985.0,
1662.5,
2116.9,
1822.5,
2555.5,
2391.4,
2476.8,
2842.7,
2033.3,
2002.4,
1598.1,
1971.9,
1981.6,
2358.1,
2575.8,
1898.0,
2225.3,
2344.5,
2649.3,
2007.7,
1408.6,
2342.4,
1981.8,
1739.7,
2278.3,
1680.3,
2350.9,
1508.7,
2858.4,
2322.2,
2088.0,
1973.2,
1960.1,
1633.4,
1759.0,
1952.4,
2417.5,
0.0
],
"spectral_rolloff85_hz_mean": 4263.8,
"spectral_flatness_mean": 0.0403,
"signature_colour": "warm"
}
}
}