music/exemplars/formula_cards/UNMATCHED__110_Trainers_Eyes_Meet_PI_.json
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{
"position": 0.5579,
"at_s": 16.208,
"duration_s": 1.184,
"lanes": 9
},
{
"position": 0.649,
"at_s": 18.855,
"duration_s": 1.022,
"lanes": 9
},
{
"position": 0.7233,
"at_s": 21.014,
"duration_s": 0.859,
"lanes": 9
},
{
"position": 0.7704,
"at_s": 22.384,
"duration_s": 1.022,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0663,
"seconds": 1.926,
"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": 8,
"raises": 3,
"breaks": 2,
"tuttis": 8
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.348,
"time_to_hook_s": 0.453,
"time_to_hook_bars": 0.3,
"time_to_full_texture_s": 0.395,
"time_to_full_texture_bars": 0.27,
"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
],
"values": [
0.1089,
0.6166,
0.7302,
0.6876,
0.6255,
0.6003,
0.6472,
0.6351,
0.6759,
0.6655,
0.5517,
0.5253,
0.6696,
0.5192,
0.6777,
0.6989,
0.6837,
0.5146,
0.5997,
0.6035,
0.4881,
0.5574,
0.6877,
0.669,
0.6292,
0.5657,
0.6706,
0.5434,
0.6452,
0.6941,
0.7184,
0.6657,
0.6488,
0.5629,
0.4684,
0.5331,
0.1827,
0.1496,
0.0541,
0.0318
],
"peak_position_normalised": 0.7458
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.4861,
"bars": 19,
"index_per_bar": [
0.8359,
0.9888,
0.9664,
1.0,
0.9735,
0.9626,
0.9071,
0.9945,
0.8948,
0.9053,
0.9135,
0.9907,
0.9604,
0.955,
0.9906,
0.9934,
0.9777,
0.808,
0.0403
],
"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": 0.153,
"at_section_boundary": true
},
{
"bar": 17,
"at_s": 25.26,
"delta": -0.17,
"at_section_boundary": false
},
{
"bar": 18,
"at_s": 26.75,
"delta": -0.768,
"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": 1.583,
"melodic_salience": 0.8165,
"voiced_fraction": 0.4379,
"note_count": 46,
"mean_lanes": 7.352,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 21.19,
"peak_position_normalised": 0.0384,
"peak_at_s": 1.115,
"arc_curve_db": [
-22.0,
-28.46,
-12.6,
-12.25,
-12.17,
-12.95,
-13.47,
-13.31,
-12.87,
-12.97,
-14.03,
-13.78,
-13.31,
-14.22,
-14.33,
-13.48,
-13.42,
-13.73,
-14.18,
-14.62,
-14.85,
-14.42,
-13.09,
-12.37,
-13.68,
-14.53,
-14.47,
-13.68,
-12.45,
-12.25,
-11.88,
-12.04,
-13.95,
-16.49,
-19.49,
-24.49,
-33.55,
-48.74,
-66.64,
-42.25
],
"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
]
},
"register": {
"melody_span_semitones": 11.0,
"melody_tessitura_midi": 43.0,
"bass_floor_band": {
"sub": 0.02547,
"low_bass": 0.28699,
"bass": 0.21729,
"low_mid": 0.10668,
"mid": 0.093,
"upper_mid": 0.14433,
"presence": 0.09035,
"brilliance": 0.02671,
"air": 0.0076,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.02547,
"low_bass": 0.28699,
"bass": 0.21729,
"low_mid": 0.10668,
"mid": 0.093,
"upper_mid": 0.14433,
"presence": 0.09035,
"brilliance": 0.02671,
"air": 0.0076,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.19228,
"interior_distance_median": 0.06966,
"seam_ratio": 2.76,
"seam_clean": false,
"tail_rms_over_mid": 0.0004,
"head_rms_over_mid": 0.0002,
"tail_rms_trend": -0.8167,
"head_rms_trend": 0.501,
"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": 2228.4,
"spectral_centroid_curve_hz": [
614.9,
2380.4,
2505.3,
1964.5,
1422.2,
1292.3,
1459.4,
1600.8,
2038.0,
2012.1,
2225.7,
2728.5,
2396.9,
2679.2,
2882.9,
2940.9,
2730.4,
2637.3,
1262.7,
1285.4,
2286.4,
2942.0,
2489.0,
1895.3,
2954.5,
2997.5,
2777.0,
3006.6,
2268.9,
2144.9,
3222.0,
1693.2,
3469.7,
2943.5,
3471.7,
2528.7,
3210.4,
3021.8,
1124.3,
677.2
],
"spectral_rolloff85_hz_mean": 4783.2,
"spectral_flatness_mean": 0.01862,
"signature_colour": "warm"
}
}
}