music/exemplars/formula_cards/UNMATCHED__75_Riding_Skiddo.json
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}
],
"tuttis": [
{
"position": 0.0944,
"at_s": 3.228,
"duration_s": 0.975,
"lanes": 9
},
{
"position": 0.1345,
"at_s": 4.598,
"duration_s": 0.975,
"lanes": 9
},
{
"position": 0.1977,
"at_s": 6.757,
"duration_s": 0.975,
"lanes": 9
},
{
"position": 0.301,
"at_s": 10.286,
"duration_s": 0.975,
"lanes": 9
},
{
"position": 0.4042,
"at_s": 13.816,
"duration_s": 0.952,
"lanes": 9
},
{
"position": 0.5095,
"at_s": 17.415,
"duration_s": 0.906,
"lanes": 9
},
{
"position": 0.5476,
"at_s": 18.715,
"duration_s": 0.975,
"lanes": 9
},
{
"position": 0.6107,
"at_s": 20.875,
"duration_s": 0.975,
"lanes": 9
},
{
"position": 0.714,
"at_s": 24.404,
"duration_s": 0.975,
"lanes": 9
},
{
"position": 0.8173,
"at_s": 27.934,
"duration_s": 0.952,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0468,
"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": 2,
"raises": 1,
"breaks": 2,
"tuttis": 10
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.488,
"time_to_hook_s": 0.627,
"time_to_hook_bars": 0.36,
"time_to_full_texture_s": 0.604,
"time_to_full_texture_bars": 0.34,
"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,
32.69,
33.44,
34.18
],
"values": [
0.0579,
0.6148,
0.648,
0.5229,
0.7451,
0.7565,
0.5717,
0.7257,
0.7119,
0.7536,
0.7572,
0.7228,
0.7389,
0.5561,
0.7704,
0.7325,
0.6753,
0.7176,
0.7391,
0.7243,
0.7196,
0.6503,
0.519,
0.7455,
0.7568,
0.57,
0.7257,
0.7113,
0.753,
0.7551,
0.7218,
0.7406,
0.5563,
0.7701,
0.7324,
0.6729,
0.7195,
0.7394,
0.7238,
0.7118,
0.6166,
0.4415,
0.56,
0.4674,
0.1206,
0.1064,
0.0002
],
"peak_position_normalised": 0.6338
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.7647,
"bars": 19,
"index_per_bar": [
0.7753,
0.9493,
0.9997,
0.9691,
0.9679,
0.9479,
0.9735,
0.9663,
0.9707,
0.9434,
1.0,
0.968,
0.9666,
0.9534,
0.9742,
0.9682,
0.9704,
0.8991,
0.4406
],
"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": 1.76,
"delta": 0.174,
"at_section_boundary": true
},
{
"bar": 18,
"at_s": 31.76,
"delta": -0.458,
"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": 1.697,
"melodic_salience": 0.7307,
"voiced_fraction": 0.2564,
"note_count": 58,
"mean_lanes": 7.549,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 12.84,
"peak_position_normalised": 0.2045,
"peak_at_s": 6.989,
"arc_curve_db": [
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-71.33,
-12.59,
-11.37,
-10.57,
-11.1,
-10.88,
-11.04,
-11.19,
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-10.76,
-11.17,
-11.24,
-10.46,
-10.28,
-10.68,
-11.27,
-11.15,
-10.77,
-11.78,
-12.52,
-11.29,
-10.55,
-11.11,
-10.89,
-11.03,
-11.21,
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-10.77,
-11.18,
-11.23,
-10.46,
-10.3,
-10.68,
-11.26,
-11.15,
-10.78,
-12.07,
-13.73,
-14.56,
-17.75,
-24.78,
-37.99,
-104.0,
-81.21
],
"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
]
},
"register": {
"melody_span_semitones": 13.33,
"melody_tessitura_midi": 43.0,
"bass_floor_band": {
"sub": 0.00692,
"low_bass": 0.31413,
"bass": 0.20831,
"low_mid": 0.05159,
"mid": 0.08678,
"upper_mid": 0.22336,
"presence": 0.05457,
"brilliance": 0.03524,
"air": 0.01898,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00692,
"low_bass": 0.31413,
"bass": 0.20831,
"low_mid": 0.05159,
"mid": 0.08678,
"upper_mid": 0.22336,
"presence": 0.05457,
"brilliance": 0.03524,
"air": 0.01898,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.08869,
"seam_ratio": 11.276,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.7656,
"head_rms_trend": 0.6756,
"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": 2694.3,
"spectral_centroid_curve_hz": [
0.0,
3115.4,
1501.7,
2167.0,
3409.8,
3346.6,
2520.4,
3018.6,
2175.3,
2758.7,
3133.7,
2141.6,
3202.5,
2663.3,
3658.1,
2433.0,
3281.3,
2314.2,
2857.8,
2961.3,
3093.4,
1514.2,
2042.4,
3423.5,
3358.2,
2477.2,
3017.4,
2161.0,
2759.7,
3091.1,
2125.3,
3241.8,
2663.9,
3646.2,
2444.7,
3219.7,
2358.7,
2863.3,
2972.9,
3122.9,
1530.9,
2065.7,
3419.4,
3296.1,
2450.3,
2682.5,
0.0
],
"spectral_rolloff85_hz_mean": 5942.8,
"spectral_flatness_mean": 0.06603,
"signature_colour": "bright"
}
}
}