music/exemplars/formula_cards/UNMATCHED__52_Trainers_Eyes_Meet_Maid_.json
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"lanes_added": 1.69,
"slope_db_per_s": 11.201
},
{
"position": 0.5067,
"start_s": 15.766,
"end_s": 20.48,
"db_delta": -0.16,
"lanes_added": 1.54,
"slope_db_per_s": -0.033
},
{
"position": 0.8045,
"start_s": 25.031,
"end_s": 25.565,
"db_delta": 5.47,
"lanes_added": 2.0,
"slope_db_per_s": 10.238
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.464
},
{
"position": 0.9694,
"at_s": 30.163,
"duration_s": 0.952
}
],
"tuttis": [
{
"position": 0.141,
"at_s": 4.389,
"duration_s": 0.906,
"lanes": 9
},
{
"position": 0.2358,
"at_s": 7.338,
"duration_s": 0.929,
"lanes": 9
},
{
"position": 0.3299,
"at_s": 10.263,
"duration_s": 0.882,
"lanes": 9
},
{
"position": 0.5142,
"at_s": 15.999,
"duration_s": 0.789,
"lanes": 9
},
{
"position": 0.6112,
"at_s": 19.017,
"duration_s": 0.929,
"lanes": 9
},
{
"position": 0.7075,
"at_s": 22.013,
"duration_s": 0.836,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.047,
"seconds": 1.462,
"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": 6,
"raises": 6,
"breaks": 2,
"tuttis": 6
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 0.534,
"time_to_hook_bars": 0.19,
"time_to_full_texture_s": 1.974,
"time_to_full_texture_bars": 0.69,
"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
],
"values": [
0.031,
0.3388,
0.5462,
0.6198,
0.6389,
0.5873,
0.6912,
0.6964,
0.6988,
0.6479,
0.6799,
0.7014,
0.7221,
0.7191,
0.7377,
0.739,
0.6609,
0.5988,
0.6589,
0.6612,
0.6746,
0.6615,
0.6735,
0.6232,
0.7019,
0.6581,
0.6676,
0.592,
0.6331,
0.6452,
0.6557,
0.5836,
0.6246,
0.45,
0.6217,
0.6339,
0.5662,
0.4758,
0.5073,
0.1894,
0.112,
0.1117
],
"peak_position_normalised": 0.1701
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.8794,
"bars": 10,
"index_per_bar": [
0.7805,
0.949,
0.9721,
0.9968,
0.9674,
0.9434,
0.9795,
1.0,
0.9631,
0.8729
],
"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": 2.88,
"delta": 0.169,
"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": 2.346,
"melodic_salience": 0.9331,
"voiced_fraction": 0.8146,
"note_count": 73,
"mean_lanes": 7.256,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 16.98,
"peak_position_normalised": 0.5813,
"peak_at_s": 18.088,
"arc_curve_db": [
-64.96,
-75.0,
-17.14,
-13.28,
-13.16,
-12.93,
-11.5,
-11.01,
-11.07,
-10.9,
-12.35,
-13.1,
-12.48,
-13.26,
-12.95,
-12.3,
-14.19,
-17.08,
-15.48,
-12.29,
-12.08,
-12.24,
-12.13,
-11.46,
-10.79,
-10.96,
-12.12,
-12.81,
-13.29,
-13.64,
-12.71,
-11.82,
-15.93,
-17.16,
-14.08,
-13.92,
-14.55,
-14.95,
-18.79,
-25.78,
-39.29,
-96.74
],
"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
]
},
"register": {
"melody_span_semitones": 33.0,
"melody_tessitura_midi": 43.0,
"bass_floor_band": {
"sub": 0.05402,
"low_bass": 0.29289,
"bass": 0.43115,
"low_mid": 0.07864,
"mid": 0.06574,
"upper_mid": 0.05408,
"presence": 0.01345,
"brilliance": 0.00523,
"air": 0.00464,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.05402,
"low_bass": 0.29289,
"bass": 0.43115,
"low_mid": 0.07864,
"mid": 0.06574,
"upper_mid": 0.05408,
"presence": 0.01345,
"brilliance": 0.00523,
"air": 0.00464,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.07816,
"seam_ratio": 12.794,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8295,
"head_rms_trend": 0.5763,
"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": 1746.9,
"spectral_centroid_curve_hz": [
0.0,
1412.2,
3633.2,
1454.6,
925.5,
1106.2,
921.4,
1059.8,
1053.1,
1063.5,
1319.7,
2818.6,
3291.7,
3287.9,
3391.7,
3306.5,
2539.3,
2242.1,
2436.9,
2357.9,
1669.4,
1918.5,
1314.3,
1577.5,
1295.4,
1219.8,
1166.7,
1729.1,
1340.4,
1549.4,
1323.7,
1168.6,
1322.0,
3111.9,
1417.8,
2264.6,
2019.8,
2493.4,
1827.6,
2081.6,
2236.4,
2768.6
],
"spectral_rolloff85_hz_mean": 4053.2,
"spectral_flatness_mean": 0.03834,
"signature_colour": "warm"
}
}
}