music/exemplars/formula_cards/UNMATCHED__38_Trainers_Eyes_Meet_Twins_.json
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"slope_db_per_s": 4.509
},
{
"position": 0.0566,
"start_s": 1.811,
"end_s": 3.785,
"db_delta": -0.41,
"lanes_added": 2.27,
"slope_db_per_s": -0.206
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.441
},
{
"position": 0.9651,
"at_s": 30.883,
"duration_s": 1.115
}
],
"tuttis": [],
"silence_budget": {
"fraction": 0.05,
"seconds": 1.601,
"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": 2,
"breaks": 2,
"tuttis": 0
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.464,
"time_to_hook_s": 0.534,
"time_to_hook_bars": 0.36,
"time_to_full_texture_s": 1.997,
"time_to_full_texture_bars": 1.34,
"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
],
"values": [
0.0366,
0.3306,
0.5244,
0.6156,
0.6417,
0.6806,
0.579,
0.6797,
0.7302,
0.6573,
0.6755,
0.6502,
0.6972,
0.6523,
0.6008,
0.661,
0.6699,
0.6355,
0.6784,
0.6401,
0.6633,
0.6149,
0.5391,
0.6534,
0.5342,
0.6432,
0.5351,
0.6094,
0.7197,
0.6721,
0.7193,
0.695,
0.7106,
0.7346,
0.6865,
0.6929,
0.6998,
0.6483,
0.4628,
0.3459,
0.0948,
0.0565,
0.0902,
0.0002
],
"peak_position_normalised": 0.5907
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.4861,
"bars": 21,
"index_per_bar": [
0.5894,
0.9354,
0.974,
0.9963,
0.9572,
0.9869,
0.9853,
0.9902,
0.9893,
1.0,
0.9805,
0.9801,
0.9552,
0.9615,
0.9964,
0.9712,
0.9972,
0.9927,
0.9928,
0.7148,
0.1017
],
"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": 1.49,
"delta": 0.346,
"at_section_boundary": true
},
{
"bar": 19,
"at_s": 28.24,
"delta": -0.278,
"at_section_boundary": true
},
{
"bar": 20,
"at_s": 29.72,
"delta": -0.613,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 3,
"steps_total": 3,
"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": 3.531,
"melodic_salience": 0.7029,
"voiced_fraction": 0.3624,
"note_count": 113,
"mean_lanes": 6.942,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 19.27,
"peak_position_normalised": 0.2968,
"peak_at_s": 9.497,
"arc_curve_db": [
-63.43,
-71.36,
-14.42,
-12.82,
-12.51,
-13.37,
-13.21,
-12.53,
-12.01,
-12.61,
-12.71,
-11.84,
-12.24,
-11.92,
-11.9,
-12.58,
-12.94,
-12.47,
-11.75,
-12.09,
-12.57,
-12.96,
-13.01,
-13.03,
-12.12,
-12.1,
-12.49,
-12.75,
-12.47,
-11.46,
-11.75,
-12.7,
-12.63,
-12.27,
-12.0,
-12.27,
-13.09,
-14.05,
-17.39,
-22.2,
-28.14,
-39.78,
-99.96,
-83.08
],
"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
]
},
"register": {
"melody_span_semitones": 38.0,
"melody_tessitura_midi": 50.0,
"bass_floor_band": {
"sub": 0.01463,
"low_bass": 0.09186,
"bass": 0.14327,
"low_mid": 0.3798,
"mid": 0.25513,
"upper_mid": 0.07427,
"presence": 0.02236,
"brilliance": 0.00346,
"air": 0.00231,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.01463,
"low_bass": 0.09186,
"bass": 0.14327,
"low_mid": 0.3798,
"mid": 0.25513,
"upper_mid": 0.07427,
"presence": 0.02236,
"brilliance": 0.00346,
"air": 0.00231,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.11189,
"seam_ratio": 8.937,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8102,
"head_rms_trend": 0.7984,
"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": 1295.5,
"spectral_centroid_curve_hz": [
0.0,
1383.6,
2412.6,
1106.6,
1320.5,
1915.6,
1498.2,
1480.9,
1770.8,
1508.2,
2102.2,
1332.0,
1316.1,
698.9,
1621.4,
1117.1,
1234.2,
1670.5,
1065.6,
679.8,
1079.6,
1049.9,
947.5,
1034.1,
690.1,
1288.7,
1085.8,
1235.8,
1532.5,
1555.6,
2104.3,
2028.4,
1888.9,
2549.2,
1137.1,
1441.8,
1727.0,
1522.8,
1135.2,
894.5,
653.8,
529.7,
1156.5,
0.0
],
"spectral_rolloff85_hz_mean": 2747.2,
"spectral_flatness_mean": 0.03375,
"signature_colour": "warm"
}
}
}