music/exemplars/formula_cards/UNMATCHED__1-07_Gato_s_Song.json
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},
{
"position": 0.914,
"at_s": 37.105,
"db_delta": -6.17,
"lanes_removed": -0.0,
"bars_held_s": 2.902,
"re_enters_at_s": 40.008
},
{
"position": 0.9448,
"at_s": 38.359,
"db_delta": -6.22,
"lanes_removed": -0.0,
"bars_held_s": 1.649,
"re_enters_at_s": 40.008
},
{
"position": 0.9746,
"at_s": 39.567,
"db_delta": -64.33,
"lanes_removed": -0.0,
"bars_held_s": 0.348,
"re_enters_at_s": 39.915
}
],
"raises": [
{
"position": 0.0149,
"start_s": 0.604,
"end_s": 0.72,
"db_delta": 108.79,
"lanes_added": 5.58,
"slope_db_per_s": 937.037
},
{
"position": 0.123,
"start_s": 4.992,
"end_s": 5.294,
"db_delta": 6.18,
"lanes_added": 0.88,
"slope_db_per_s": 20.461
},
{
"position": 0.362,
"start_s": 14.698,
"end_s": 15.0,
"db_delta": 6.24,
"lanes_added": 1.05,
"slope_db_per_s": 20.665
},
{
"position": 0.6011,
"start_s": 24.404,
"end_s": 24.683,
"db_delta": 6.2,
"lanes_added": 1.01,
"slope_db_per_s": 22.263
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.372
},
{
"position": 0.9466,
"at_s": 38.429,
"duration_s": 2.159
}
],
"tuttis": [
{
"position": 0.123,
"at_s": 4.992,
"duration_s": 4.272,
"lanes": 9
},
{
"position": 0.3632,
"at_s": 14.745,
"duration_s": 2.113,
"lanes": 9
},
{
"position": 0.4221,
"at_s": 17.136,
"duration_s": 1.974,
"lanes": 9
},
{
"position": 0.6023,
"at_s": 24.451,
"duration_s": 2.02,
"lanes": 9
},
{
"position": 0.6617,
"at_s": 26.865,
"duration_s": 0.859,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.0743,
"seconds": 3.018,
"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": 4,
"breaks": 2,
"tuttis": 5
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.395,
"time_to_hook_s": 0.395,
"time_to_hook_bars": 0.16,
"time_to_full_texture_s": 0.511,
"time_to_full_texture_bars": 0.21,
"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
],
"values": [
0.0792,
0.6158,
0.6185,
0.6933,
0.708,
0.7091,
0.7163,
0.7111,
0.8287,
0.7032,
0.7197,
0.7392,
0.7467,
0.7086,
0.7003,
0.6807,
0.7372,
0.7805,
0.7138,
0.7177,
0.7027,
0.7711,
0.7009,
0.6785,
0.7384,
0.732,
0.7348,
0.6956,
0.7072,
0.7509,
0.7349,
0.7068,
0.6839,
0.6728,
0.7416,
0.7207,
0.6476,
0.7263,
0.716,
0.6964,
0.6206,
0.5892,
0.5313,
0.4884,
0.2037,
0.2401,
0.2802,
0.1699,
0.1878,
0.1247,
0.1512,
0.1038,
0.1072,
0.0007,
0.0
],
"peak_position_normalised": 0.4457
}
},
"complexity_law": {
"available": true,
"bar_length_s": 2.415,
"bars": 16,
"index_per_bar": [
0.8428,
0.9489,
1.0,
0.9924,
0.9045,
0.9519,
0.9983,
0.9902,
0.9356,
0.9439,
0.9913,
0.9784,
0.8703,
0.6742,
0.335,
0.0616
],
"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": 13,
"at_s": 31.39,
"delta": -0.196,
"at_section_boundary": true
},
{
"bar": 14,
"at_s": 33.81,
"delta": -0.339,
"at_section_boundary": false
},
{
"bar": 15,
"at_s": 36.22,
"delta": -0.273,
"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": 2.069,
"melodic_salience": 0.8285,
"voiced_fraction": 0.505,
"note_count": 84,
"mean_lanes": 6.717,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 33.76,
"peak_position_normalised": 0.2237,
"peak_at_s": 9.079,
"arc_curve_db": [
-55.2,
-62.26,
-13.46,
-12.48,
-13.25,
-12.28,
-12.87,
-12.77,
-11.58,
-13.16,
-12.04,
-11.14,
-11.14,
-11.44,
-13.59,
-13.32,
-12.44,
-13.12,
-12.25,
-13.25,
-12.72,
-11.43,
-13.06,
-11.72,
-10.98,
-11.22,
-11.54,
-13.75,
-13.14,
-12.33,
-13.0,
-12.18,
-13.57,
-12.85,
-11.74,
-13.68,
-12.5,
-12.14,
-12.59,
-13.43,
-16.34,
-16.99,
-18.65,
-22.07,
-24.22,
-28.6,
-30.49,
-32.33,
-36.52,
-38.75,
-42.85,
-47.41,
-68.98,
-143.27,
-163.08
],
"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,
32.69,
33.44,
34.18,
34.92,
35.67,
36.41,
37.15,
37.89,
38.64,
39.38,
40.12
]
},
"register": {
"melody_span_semitones": 9.17,
"melody_tessitura_midi": 38.0,
"bass_floor_band": {
"sub": 0.01099,
"low_bass": 0.28601,
"bass": 0.17608,
"low_mid": 0.06192,
"mid": 0.06045,
"upper_mid": 0.12281,
"presence": 0.17752,
"brilliance": 0.08731,
"air": 0.01687,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.01099,
"low_bass": 0.28601,
"bass": 0.17608,
"low_mid": 0.06192,
"mid": 0.06045,
"upper_mid": 0.12281,
"presence": 0.17752,
"brilliance": 0.08731,
"air": 0.01687,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.08686,
"seam_ratio": 11.513,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.431,
"head_rms_trend": 0.532,
"baked_fade_out": false,
"baked_fade_in": true
},
"ending": "through_or_loop",
"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": 2288.2,
"spectral_centroid_curve_hz": [
0.0,
2486.8,
1216.3,
2170.0,
2764.9,
2541.9,
2794.2,
2176.0,
3391.5,
1857.0,
1761.3,
2183.0,
1922.5,
2034.0,
2422.4,
2317.9,
3093.1,
3435.7,
2588.6,
2875.6,
1950.0,
2324.5,
1712.6,
1587.2,
2062.2,
1614.2,
2491.5,
2370.7,
2761.3,
3405.5,
3367.8,
2428.5,
2328.5,
1379.8,
2048.2,
2347.0,
2169.8,
2434.9,
2159.1,
2845.5,
2265.7,
2328.0,
2520.4,
1695.6,
2499.3,
1504.5,
1735.8,
2761.9,
3284.8,
2148.8,
2768.0,
1911.0,
2026.2,
0.0,
0.0
],
"spectral_rolloff85_hz_mean": 4600.0,
"spectral_flatness_mean": 0.06269,
"signature_colour": "warm"
}
}
}