music/exemplars/formula_cards/UNMATCHED__2-04_Forever_Rachel.json
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"windowed_tempo_stability": {
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"tempo_bpm_median_local": 92.29,
"tempo_iqr_bpm": 25.17,
"tempo_stability": 0.0,
"beat_interval_cv": 0.0118
},
"dominant_onset_period_s": 0.6502,
"dominant_onset_period_bpm": 92.29,
"metre": {
"assumed": "4/4",
"measured": null,
"note": "Bar arithmetic on this card uses 4 beats per bar at the baseline tempo. The onset period beside it is MEASURED; the signature is not."
},
"groove": {
"swing_ratio": 0.85,
"onset_rate_per_s": 10.769
}
},
"tonality": {
"key": "G",
"mode": "major",
"windowed_key_agreement": 0.2955,
"modulation_note": "Windowed key agreement below ~0.7 is the modulation signal at rung 1; a pivot-chord map needs symbolic transcription (rung 2)."
},
"the_hook": {
"available": true,
"onset_s": 0.557,
"onset_bars": 0.43,
"pitch_contour": "-UDDDUDUDUDDDDU",
"interval_vocabulary_semitones": [
0,
1,
2,
4,
8,
12,
13
],
"intervals": [
0.0,
12.0,
-13.0,
-2.0,
-2.0,
4.0,
-2.0,
8.0,
-12.0,
12.0,
-1.0,
-2.0,
-2.0,
-8.0,
12.0
],
"range_semitones": 20.0,
"distinctive_deviation": {
"largest_interval_semitones": -13.0,
"at_note_index": 3,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.9857,
"self_similarity_baseline": 0.4218,
"self_similarity_lift": 0.5638,
"recurrence_lag_s": 78.019,
"interval_3gram_repetition": 0.4648,
"interval_4gram_repetition": 0.3874
},
"lane_analysis": {
"method": "spectral_band_proxy",
"confidence": "LOW-FOR-ROSTER, USABLE-FOR-ARRANGEMENT",
"method_note": "Section 11.1 requires the lane method be declared. Bands are not instruments: two instruments in one octave read as one lane, and one instrument spanning two octaves reads as two. Entry/exit and simultaneity shapes are trustworthy; a roster is not claimed.",
"lane_roster_bands": [
"sub",
"low_bass",
"bass",
"low_mid",
"mid",
"upper_mid",
"presence",
"brilliance",
"air",
"ultra"
],
"entry_exit_map": [
{
"lane": "sub",
"band_hz": [
20,
45
],
"entry_s": 6.989,
"exit_s": 156.642,
"active_fraction": 0.5156,
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6.989,
7.616
],
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16.115,
25.751
],
[
25.983,
26.935
],
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31.695,
32.485
],
[
33.646,
34.737
],
[
42.098,
42.701
],
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57.655,
78.646
],
[
84.939,
85.612
],
[
86.239,
86.773
],
[
94.11,
104.931
],
[
107.067,
107.578
],
[
109.691,
110.504
],
[
111.618,
112.756
],
[
135.674,
156.642
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 21.618,
"exit_s": 152.671,
"active_fraction": 0.2924,
"segments": [
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21.618,
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],
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24.033,
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],
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25.658,
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],
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28.468,
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],
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33.669,
34.435
],
[
38.87,
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],
[
42.121,
43.166
],
[
44.698,
45.767
],
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56.401,
59.048
],
[
59.652,
65.573
],
[
73.329,
74.675
],
[
99.637,
105.581
],
[
106.463,
111.479
],
[
111.665,
112.431
],
[
116.866,
117.377
],
[
120.117,
121.162
],
[
122.717,
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],
[
134.397,
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],
[
137.648,
143.569
],
[
151.324,
152.671
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 16.393,
"exit_s": 156.177,
"active_fraction": 0.6625,
"segments": [
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16.393,
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],
[
19.365,
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],
[
21.339,
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],
[
26.471,
33.414
],
[
33.646,
35.991
],
[
36.897,
38.615
],
[
38.847,
40.565
],
[
42.098,
46.626
],
[
47.299,
54.288
],
[
54.451,
78.182
],
[
94.389,
98.987
],
[
99.335,
102.354
],
[
102.516,
103.77
],
[
104.49,
111.409
],
[
111.665,
113.987
],
[
114.916,
116.611
],
[
116.866,
118.538
],
[
120.094,
124.552
],
[
125.295,
132.284
],
[
132.447,
156.177
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.511,
"exit_s": 165.465,
"active_fraction": 0.8721,
"segments": [
[
0.511,
1.347
],
[
1.811,
9.636
],
[
10.913,
11.749
],
[
12.214,
13.05
],
[
13.514,
14.35
],
[
16.115,
26.355
],
[
26.424,
41.494
],
[
42.098,
46.51
],
[
47.299,
54.219
],
[
54.428,
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],
[
79.83,
83.569
],
[
83.731,
87.632
],
[
88.909,
89.745
],
[
90.21,
91.045
],
[
91.51,
92.346
],
[
94.134,
119.49
],
[
120.094,
124.505
],
[
125.295,
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],
[
132.447,
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],
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157.826,
161.402
],
[
161.727,
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],
[
164.653,
165.465
]
]
},
{
"lane": "mid",
"band_hz": [
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],
"entry_s": 0.534,
"exit_s": 166.185,
"active_fraction": 0.8881,
"segments": [
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0.534,
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],
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12.214,
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],
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14.559,
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15.464,
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[
32.044,
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[
33.344,
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34.319,
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42.121,
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],
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47.322,
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[
48.599,
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],
[
51.85,
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[
56.401,
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],
[
57.702,
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[
92.555,
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[
93.46,
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],
[
110.039,
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[
111.34,
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112.315,
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[
120.117,
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[
125.318,
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126.479,
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],
[
129.846,
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],
[
134.281,
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],
[
135.697,
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]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.511,
"exit_s": 166.371,
"active_fraction": 0.9341,
"segments": [
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0.511,
56.424
],
[
57.702,
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],
[
135.721,
161.564
],
[
161.797,
164.281
],
[
165.001,
165.512
],
[
165.558,
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]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.534,
"exit_s": 163.352,
"active_fraction": 0.9062,
"segments": [
[
0.534,
5.387
],
[
5.735,
10.542
],
[
10.913,
56.332
],
[
57.725,
83.383
],
[
83.731,
88.561
],
[
88.909,
134.351
],
[
135.721,
159.428
],
[
159.893,
160.914
],
[
161.773,
163.352
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 10.913,
"exit_s": 157.222,
"active_fraction": 0.6956,
"segments": [
[
10.913,
28.212
],
[
28.468,
35.341
],
[
38.197,
42.098
],
[
43.398,
49.041
],
[
51.2,
56.123
],
[
57.702,
78.994
],
[
88.909,
106.231
],
[
106.463,
113.337
],
[
116.216,
120.094
],
[
121.417,
127.06
],
[
129.196,
134.118
],
[
135.697,
157.222
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 11.935,
"exit_s": 156.851,
"active_fraction": 0.5378,
"segments": [
[
11.935,
12.91
],
[
13.63,
14.234
],
[
16.231,
19.667
],
[
21.432,
23.917
],
[
24.288,
26.262
],
[
26.633,
27.214
],
[
28.584,
30.766
],
[
31.068,
34.319
],
[
38.429,
38.963
],
[
40.472,
41.401
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[
43.607,
44.188
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[
45.558,
48.669
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[
51.409,
51.92
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[
52.5,
55.798
],
[
57.702,
78.878
],
[
89.931,
90.906
],
[
94.227,
97.663
],
[
99.428,
101.889
],
[
102.284,
104.118
],
[
104.629,
105.233
],
[
106.58,
108.762
],
[
109.064,
112.315
],
[
116.425,
116.936
],
[
118.143,
119.397
],
[
121.626,
122.16
],
[
123.553,
126.665
],
[
129.405,
129.916
],
[
130.496,
133.793
],
[
135.697,
156.851
]
]
}
],
"interlap_matrix": {
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"sub|bass": 0.651,
"sub|low_mid": 0.5897,
"sub|mid": 0.556,
"sub|upper_mid": 0.5399,
"sub|presence": 0.5543,
"sub|brilliance": 0.5902,
"sub|air": 0.5993,
"low_bass|bass": 0.4287,
"low_bass|low_mid": 0.3349,
"low_bass|mid": 0.3025,
"low_bass|upper_mid": 0.293,
"low_bass|presence": 0.3009,
"low_bass|brilliance": 0.367,
"low_bass|air": 0.3824,
"bass|low_mid": 0.7543,
"bass|mid": 0.6959,
"bass|upper_mid": 0.6822,
"bass|presence": 0.6999,
"bass|brilliance": 0.7351,
"bass|air": 0.649,
"low_mid|mid": 0.8907,
"low_mid|upper_mid": 0.9003,
"low_mid|presence": 0.8947,
"low_mid|brilliance": 0.6995,
"low_mid|air": 0.5814,
"mid|upper_mid": 0.9209,
"mid|presence": 0.8929,
"mid|brilliance": 0.6735,
"mid|air": 0.5288,
"upper_mid|presence": 0.9699,
"upper_mid|brilliance": 0.7444,
"upper_mid|air": 0.5756,
"presence|brilliance": 0.767,
"presence|air": 0.593,
"brilliance|air": 0.7732
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