music/exemplars/formula_cards/UNMATCHED__128_Dance__Difficult.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.",
"track_id": "UNMATCHED__128_Dance__Difficult",
"title": null,
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"at_s": 80.71,
"delta": -0.235,
"at_section_boundary": false
}
],
"steps_at_section_boundaries": 2,
"steps_total": 3,
"boundary_step_share": 0.667,
"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": 1.423,
"melodic_salience": 0.7005,
"voiced_fraction": 0.2458,
"note_count": 117,
"mean_lanes": 8.445,
"max_lanes": 9
},
"dynamics": {
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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,
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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,
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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,
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37.15,
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38.64,
39.38,
40.12,
40.87,
41.61,
42.35,
43.1,
43.84,
44.58,
45.33,
46.07,
46.81,
47.55,
48.3,
49.04,
49.78,
50.53,
51.27,
52.01,
52.76,
53.5,
54.24,
54.98,
55.73,
56.47,
57.21,
57.96,
58.7,
59.44,
60.19,
60.93,
61.67,
62.42,
63.16,
63.9,
64.64,
65.39,
66.13,
66.87,
67.62,
68.36,
69.1,
69.85,
70.59,
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74.3,
75.05,
75.79,
76.53,
77.28,
78.02,
78.76,
79.51,
80.25,
80.99,
81.73
]
},
"register": {
"melody_span_semitones": 13.0,
"melody_tessitura_midi": 41.0,
"bass_floor_band": {
"sub": 0.01503,
"low_bass": 0.23879,
"bass": 0.19791,
"low_mid": 0.1426,
"mid": 0.18161,
"upper_mid": 0.10833,
"presence": 0.05994,
"brilliance": 0.0372,
"air": 0.01851,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.01503,
"low_bass": 0.23879,
"bass": 0.19791,
"low_mid": 0.1426,
"mid": 0.18161,
"upper_mid": 0.10833,
"presence": 0.05994,
"brilliance": 0.0372,
"air": 0.01851,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.02983,
"seam_ratio": 33.52,
"seam_clean": false,
"tail_rms_over_mid": 0.0005,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.9017,
"head_rms_trend": 0.6908,
"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": 2592.4,
"spectral_centroid_curve_hz": [
0.0,
3516.7,
2558.7,
3442.3,
3174.1,
3331.1,
2658.0,
3676.0,
2695.0,
3040.9,
2865.4,
2269.1,
2732.5,
2577.9,
2634.7,
2921.3,
3070.6,
2065.7,
3285.7,
3205.7,
1800.3,
1817.8,
1891.3,
1728.6,
2705.4,
2397.5,
2693.9,
2488.9,
2843.4,
2928.0,
2858.0,
1966.9,
2315.3,
1867.3,
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1604.3,
2772.5,
2183.4,
2441.2,
2172.3,
2673.6,
2479.6,
3146.3,
3245.7,
2880.1,
2936.4,
2626.8,
2774.2,
2598.0,
2846.4,
2241.0,
2986.9,
1952.9,
2263.6,
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2037.2,
1788.8,
1963.9,
2423.0,
2927.8,
2035.9,
2780.8,
2332.2,
2186.8,
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2304.8,
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2585.7,
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2804.7,
2864.3,
3357.3,
2402.0,
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2921.4,
2574.6,
3494.6,
2545.0,
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2698.0,
2896.0,
3424.3,
3360.2,
3018.3,
3404.9,
2788.6,
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1861.4,
2011.8,
1797.7,
2764.4,
1961.6,
3410.7,
1690.0,
3530.4,
3470.8,
3428.8,
1761.3,
2669.8,
1902.8,
2479.3,
2435.2,
3809.2,
3192.7,
1123.9,
841.6,
763.1
],
"spectral_rolloff85_hz_mean": 5828.3,
"spectral_flatness_mean": 0.04121,
"signature_colour": "warm"
}
}
}