music/exemplars/formula_cards/UNMATCHED__1-04_Peaceful_Days.json
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},
"dominant_onset_period_s": 1.37,
"dominant_onset_period_bpm": 43.8,
"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": 0.588,
"onset_rate_per_s": 10.765
}
},
"tonality": {
"key": "B",
"mode": "major",
"windowed_key_agreement": 0.4091,
"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": 0.488,
"onset_bars": 0.35,
"pitch_contour": "--UDDUDD-UD-UDU",
"interval_vocabulary_semitones": [
0,
2,
4,
5,
9,
11,
19,
23
],
"intervals": [
0.0,
0.0,
4.0,
-2.0,
-9.0,
11.0,
-2.0,
-2.0,
0.0,
2.0,
-5.0,
0.0,
2.0,
-23.0,
19.0
],
"range_semitones": 28.0,
"distinctive_deviation": {
"largest_interval_semitones": -23.0,
"at_note_index": 14,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.953,
"self_similarity_baseline": 0.6007,
"self_similarity_lift": 0.3523,
"recurrence_lag_s": 71.564,
"interval_3gram_repetition": 0.5123,
"interval_4gram_repetition": 0.3544
},
"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": 0.697,
"exit_s": 167.95,
"active_fraction": 0.924,
"segments": [
[
0.697,
1.254
],
[
1.811,
2.624
],
[
3.181,
3.878
],
[
5.944,
6.525
],
[
8.707,
167.16
],
[
167.416,
167.95
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 12.817,
"exit_s": 157.315,
"active_fraction": 0.2274,
"segments": [
[
12.817,
13.421
],
[
13.677,
14.187
],
[
27.91,
28.514
],
[
28.793,
29.466
],
[
29.838,
30.418
],
[
30.674,
33.46
],
[
37.5,
38.174
],
[
38.336,
38.963
],
[
45.767,
46.393
],
[
46.602,
47.183
],
[
60.906,
61.51
],
[
61.788,
62.485
],
[
63.669,
65.689
],
[
65.875,
66.456
],
[
70.496,
71.1
],
[
71.285,
71.935
],
[
76.022,
76.672
],
[
76.904,
77.439
],
[
84.288,
84.915
],
[
85.148,
85.728
],
[
99.474,
100.078
],
[
100.287,
101.053
],
[
101.378,
101.982
],
[
102.214,
104.211
],
[
104.397,
105.001
],
[
109.064,
109.691
],
[
109.877,
110.527
],
[
117.33,
117.934
],
[
132.47,
133.074
],
[
133.375,
134.026
],
[
134.467,
134.978
],
[
135.21,
137.23
],
[
137.416,
137.996
],
[
142.06,
142.687
],
[
142.872,
143.523
],
[
147.563,
148.167
],
[
148.422,
149.002
],
[
155.852,
156.456
],
[
156.665,
157.315
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 8.731,
"exit_s": 167.3,
"active_fraction": 0.904,
"segments": [
[
8.731,
165.047
],
[
165.28,
165.883
],
[
166.673,
167.3
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 1.811,
"exit_s": 168.507,
"active_fraction": 0.921,
"segments": [
[
1.811,
3.135
],
[
8.731,
168.507
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.418,
"exit_s": 167.903,
"active_fraction": 0.9532,
"segments": [
[
0.418,
5.155
],
[
5.596,
167.903
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.418,
"exit_s": 168.577,
"active_fraction": 0.9478,
"segments": [
[
0.418,
4.389
],
[
5.619,
6.989
],
[
7.314,
8.406
],
[
8.707,
168.577
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.441,
"exit_s": 167.486,
"active_fraction": 0.9359,
"segments": [
[
0.441,
4.203
],
[
5.968,
6.896
],
[
7.338,
8.104
],
[
8.731,
167.486
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 8.731,
"exit_s": 166.557,
"active_fraction": 0.9042,
"segments": [
[
8.731,
166.557
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 11.447,
"exit_s": 164.815,
"active_fraction": 0.6739,
"segments": [
[
11.447,
12.516
],
[
16.904,
21.873
],
[
22.384,
23.777
],
[
30.325,
32.763
],
[
33.39,
34.064
],
[
34.76,
35.596
],
[
35.759,
36.27
],
[
36.432,
37.152
],
[
37.523,
80.155
],
[
82.918,
83.963
],
[
88.422,
93.437
],
[
93.948,
95.318
],
[
101.889,
104.304
],
[
104.954,
105.488
],
[
106.347,
107.137
],
[
107.299,
107.857
],
[
107.926,
108.716
],
[
109.064,
151.742
],
[
154.459,
155.527
],
[
159.985,
164.815
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.2461,
"sub|bass": 0.9719,
"sub|low_mid": 0.979,
"sub|mid": 0.9688,
"sub|upper_mid": 0.9749,
"sub|presence": 0.9808,
"sub|brilliance": 0.9773,
"sub|air": 0.7293,
"low_bass|bass": 0.2515,
"low_bass|low_mid": 0.2468,
"low_bass|mid": 0.2385,
"low_bass|upper_mid": 0.2399,
"low_bass|presence": 0.2429,
"low_bass|brilliance": 0.2514,
"low_bass|air": 0.2192,
"bass|low_mid": 0.9798,
"bass|mid": 0.9443,
"bass|upper_mid": 0.953,
"bass|presence": 0.9568,
"bass|brilliance": 0.982,
"bass|air": 0.7454,
"low_mid|mid": 0.96,
"low_mid|upper_mid": 0.9696,
"low_mid|presence": 0.9694,
"low_mid|brilliance": 0.9724,
"low_mid|air": 0.7316,
"mid|upper_mid": 0.9893,
"mid|presence": 0.9818,
"mid|brilliance": 0.9487,
"mid|air": 0.707,
"upper_mid|presence": 0.9874,
"upper_mid|brilliance": 0.9541,
"upper_mid|air": 0.711,
"presence|brilliance": 0.9662,
"presence|air": 0.72,
"brilliance|air": 0.7452
},
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"signature_colour": "warm"
}
}
}