music/exemplars/formula_cards/UNMATCHED__142_Battle_Elite_Four_.json
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"bar_length_s": 2.0434,
"bars": 47,
"index_per_bar": [
0.8897,
0.9754,
0.9518,
0.9549,
0.9937,
0.9943,
0.9879,
0.9878,
0.9837,
0.9905,
0.9844,
0.9848,
0.9862,
0.986,
0.985,
0.9833,
0.9825,
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0.9571,
0.9795,
0.9944,
0.9922,
0.9975,
0.9885,
0.9925,
1.0,
0.9872,
0.9863,
0.9913,
0.9956,
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0.988,
0.9838,
0.9824,
0.9839,
0.9854,
0.9881,
0.9915,
0.9875,
0.9898,
0.9934,
0.9894,
0.7649
],
"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": 46,
"at_s": 94.0,
"delta": -0.224,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 1,
"steps_total": 1,
"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": {
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"melodic_salience": 0.5949,
"voiced_fraction": 0.1364,
"note_count": 122,
"mean_lanes": 8.633,
"max_lanes": 9
},
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5.94,
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10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
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22.29,
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23.78,
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25.26,
26.01,
26.75,
27.49,
28.24,
28.98,
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31.21,
31.95,
32.69,
33.44,
34.18,
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35.67,
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38.64,
39.38,
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40.87,
41.61,
42.35,
43.1,
43.84,
44.58,
45.33,
46.07,
46.81,
47.55,
48.3,
49.04,
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54.24,
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57.21,
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61.67,
62.42,
63.16,
63.9,
64.64,
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68.36,
69.1,
69.85,
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71.33,
72.07,
72.82,
73.56,
74.3,
75.05,
75.79,
76.53,
77.28,
78.02,
78.76,
79.51,
80.25,
80.99,
81.73,
82.48,
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84.71,
85.45,
86.19,
86.94,
87.68,
88.42,
89.16,
89.91,
90.65,
91.39,
92.14,
92.88,
93.62,
94.37,
95.11,
95.85,
96.6,
97.34
]
},
"register": {
"melody_span_semitones": 14.0,
"melody_tessitura_midi": 42.0,
"bass_floor_band": {
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"low_bass": 0.05664,
"bass": 0.2074,
"low_mid": 0.28718,
"mid": 0.24536,
"upper_mid": 0.12925,
"presence": 0.0559,
"brilliance": 0.01471,
"air": 0.00311,
"ultra": 0.0
},
"octave_band_profile": {
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"low_bass": 0.05664,
"bass": 0.2074,
"low_mid": 0.28718,
"mid": 0.24536,
"upper_mid": 0.12925,
"presence": 0.0559,
"brilliance": 0.01471,
"air": 0.00311,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 0.23868,
"interior_distance_median": 0.01243,
"seam_ratio": 19.198,
"seam_clean": false,
"tail_rms_over_mid": 0.0004,
"head_rms_over_mid": 0.0008,
"tail_rms_trend": -0.8286,
"head_rms_trend": 0.6764,
"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": {
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"spectral_centroid_curve_hz": [
968.6,
2208.2,
2399.5,
2412.9,
2400.1,
1508.6,
976.1,
1850.8,
1832.3,
1784.0,
1260.5,
2324.0,
1968.2,
1094.4,
2161.5,
1810.4,
1260.8,
1898.2,
1833.5,
1775.0,
1835.7,
1991.9,
1865.0,
1668.6,
1923.9,
1766.4,
1784.9,
1999.9,
1599.4,
2175.1,
1935.5,
1870.1,
1606.5,
1687.2,
1570.8,
1836.0,
1954.0,
1672.5,
1917.1,
2213.7,
1791.8,
1690.3,
1591.6,
1893.8,
1854.3,
1798.3,
1696.4,
1881.5,
1758.8,
1888.9,
1537.2,
2100.6,
1861.0,
1811.4,
2160.2,
1826.2,
1854.3,
1515.9,
1649.6,
1522.8,
1960.7,
1972.6,
1597.3,
1099.8,
1609.4,
1632.8,
1149.1,
958.5,
2192.5,
1314.1,
1308.5,
1415.5,
1916.7,
1941.4,
1043.3,
2170.1,
1841.4,
1427.5,
1852.3,
1982.6,
2013.6,
1772.9,
1813.5,
1805.0,
1773.3,
2113.2,
1803.6,
1556.1,
1832.6,
1481.1,
1964.4,
1828.6,
1956.2,
1806.5,
1669.4,
1642.6,
1798.4,
1933.7,
1859.9,
1847.7,
1886.0,
1758.0,
1746.9,
1687.7,
2006.3,
1923.1,
1983.3,
1805.8,
2015.6,
1585.7,
1565.1,
1319.7,
1559.0,
1012.3,
1487.0,
2418.7,
1508.3,
950.9,
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2227.3,
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1724.1,
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1640.6,
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1451.4,
1648.8,
873.4
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"spectral_rolloff85_hz_mean": 3491.9,
"spectral_flatness_mean": 0.01293,
"signature_colour": "warm"
}
}
}