music/exemplars/formula_cards/UNMATCHED__16_-_Celestial_Brush.json
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"legal_posture": "ANALYSIS FOR UNDERSTANDING ONLY. Audio lawfully obtained by Josh, read from disk, measured, and never copied, redistributed, or used as model input of any kind.",
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"note": "This measurement is admissible only because the positive control recovered its planted answers in the same process, immediately before it."
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"duration_s": 0.766,
"lanes": 9
},
{
"position": 0.2927,
"at_s": 11.517,
"duration_s": 4.992,
"lanes": 9
},
{
"position": 0.452,
"at_s": 17.786,
"duration_s": 0.836,
"lanes": 9
},
{
"position": 0.6149,
"at_s": 24.195,
"duration_s": 4.528,
"lanes": 9
}
],
"silence_budget": {
"fraction": 0.049,
"seconds": 1.927,
"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": 4,
"raises": 1,
"breaks": 2,
"tuttis": 6
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.372,
"time_to_hook_s": 6.687,
"time_to_hook_bars": 4.24,
"time_to_full_texture_s": 0.418,
"time_to_full_texture_bars": 0.26,
"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
],
"values": [
0.0764,
0.6083,
0.6829,
0.7071,
0.7321,
0.7339,
0.6659,
0.7007,
0.7075,
0.6903,
0.6508,
0.6803,
0.6718,
0.7137,
0.6764,
0.6346,
0.6741,
0.6967,
0.7355,
0.7082,
0.7164,
0.7403,
0.7326,
0.7192,
0.6955,
0.7009,
0.7015,
0.6546,
0.6817,
0.6765,
0.7015,
0.6875,
0.6355,
0.6727,
0.7131,
0.7344,
0.7041,
0.7058,
0.6975,
0.6638,
0.6419,
0.5738,
0.602,
0.5255,
0.4704,
0.4751,
0.4514,
0.3909,
0.1736,
0.0794,
0.0872,
0.0618,
0.16
],
"peak_position_normalised": 0.3359
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.5789,
"bars": 24,
"index_per_bar": [
0.8339,
1.0,
0.9749,
0.9818,
0.9506,
0.9699,
0.9622,
0.9824,
0.9994,
0.9974,
0.9859,
0.9739,
0.9654,
0.9762,
0.9648,
0.9789,
0.9971,
0.9987,
0.9567,
0.9551,
0.8856,
0.8914,
0.5728,
0.0578
],
"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": 1.58,
"delta": 0.166,
"at_section_boundary": true
},
{
"bar": 22,
"at_s": 34.74,
"delta": -0.319,
"at_section_boundary": false
},
{
"bar": 23,
"at_s": 36.32,
"delta": -0.515,
"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": 0.483,
"melodic_salience": 0.406,
"voiced_fraction": 0.0726,
"note_count": 19,
"mean_lanes": 7.645,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 19.67,
"peak_position_normalised": 0.4097,
"peak_at_s": 16.115,
"arc_curve_db": [
-50.38,
-59.67,
-18.38,
-16.99,
-16.12,
-15.95,
-17.12,
-17.46,
-16.53,
-17.3,
-17.47,
-17.51,
-17.23,
-16.49,
-16.46,
-17.72,
-18.27,
-16.7,
-16.41,
-17.41,
-16.99,
-16.29,
-15.81,
-17.07,
-17.67,
-16.61,
-17.1,
-17.45,
-17.55,
-17.26,
-16.49,
-16.46,
-17.58,
-18.35,
-16.96,
-16.36,
-17.43,
-17.47,
-17.18,
-17.1,
-18.98,
-20.73,
-20.77,
-22.34,
-24.43,
-26.48,
-28.45,
-30.58,
-33.96,
-39.8,
-47.64,
-62.86,
-123.2
],
"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
]
},
"register": {
"melody_span_semitones": 19.0,
"melody_tessitura_midi": 81.0,
"bass_floor_band": {
"sub": 0.0,
"low_bass": 0.00014,
"bass": 0.00066,
"low_mid": 0.01328,
"mid": 0.08154,
"upper_mid": 0.59567,
"presence": 0.26942,
"brilliance": 0.03689,
"air": 0.00241,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.0,
"low_bass": 0.00014,
"bass": 0.00066,
"low_mid": 0.01328,
"mid": 0.08154,
"upper_mid": 0.59567,
"presence": 0.26942,
"brilliance": 0.03689,
"air": 0.00241,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.05364,
"seam_ratio": 18.643,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8096,
"head_rms_trend": 0.7123,
"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": 2009.7,
"spectral_centroid_curve_hz": [
0.0,
2955.7,
2427.6,
2180.5,
1883.0,
1886.3,
1882.4,
2046.2,
1982.9,
1655.4,
1830.9,
1817.4,
1984.4,
1895.0,
1683.9,
1738.4,
1972.6,
1772.6,
2539.1,
2308.4,
2290.5,
2233.0,
1697.2,
2417.0,
1916.1,
1787.6,
1923.7,
1893.9,
1872.9,
2215.6,
1545.2,
2017.5,
1728.6,
1932.7,
2346.7,
2527.0,
2266.9,
2461.1,
1859.2,
2189.1,
1859.8,
1908.7,
2177.4,
1737.5,
2226.6,
2095.4,
1855.0,
1868.7,
1685.2,
1788.4,
2456.2,
1881.5,
5152.0
],
"spectral_rolloff85_hz_mean": 3294.2,
"spectral_flatness_mean": 0.03184,
"signature_colour": "warm"
}
}
}