music/exemplars/formula_cards/UNMATCHED__3-09_Epitaph.json
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"duration_s": 3.3,
"delta_bpm": -47.78,
"shape": "ramp"
}
],
"dispersion_bpm": 34.575,
"rubato_depth_bpm": 73.717
},
"global_bpm": 143.55,
"octave_ambiguity_note": "Beat trackers pick a metrical level, and half/double-time readings are a real and known property, not an error -- the rig's own control plants 120 bpm and this estimator returns 60. Every bar figure on this card (time-to-hook in bars, the complexity index's bar length) inherits whichever level was picked, so compare bar counts within a card, never across cards, until rung 2 pins the metrical level per class.",
"windowed_tempo_stability": {
"tempo_bpm_global": 143.55,
"tempo_bpm_median_local": 143.55,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0276
},
"dominant_onset_period_s": 3.4133,
"dominant_onset_period_bpm": 17.58,
"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": 0.662,
"onset_rate_per_s": 10.77
}
},
"tonality": {
"key": "A",
"mode": "major",
"windowed_key_agreement": 0.4651,
"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": 0.29,
"pitch_contour": "UDUDUD-UDUUDUD-",
"interval_vocabulary_semitones": [
0,
2,
15,
16,
19,
22,
24
],
"intervals": [
16.0,
-16.0,
19.0,
-19.0,
19.0,
-24.0,
0.0,
15.0,
-15.0,
22.0,
2.0,
-19.0,
16.0,
-16.0,
0.0
],
"range_semitones": 24.0,
"distinctive_deviation": {
"largest_interval_semitones": -24.0,
"at_note_index": 6,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.9305,
"self_similarity_baseline": 0.5486,
"self_similarity_lift": 0.3819,
"recurrence_lag_s": 68.313,
"interval_3gram_repetition": 0.4785,
"interval_4gram_repetition": 0.4062
},
"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": 0.952,
"exit_s": 155.318,
"active_fraction": 0.5531,
"segments": [
[
0.952,
1.625
],
[
3.924,
5.039
],
[
7.779,
8.452
],
[
10.751,
11.865
],
[
14.605,
15.673
],
[
17.578,
18.692
],
[
21.502,
22.129
],
[
23.057,
23.824
],
[
24.845,
25.542
],
[
28.282,
28.955
],
[
31.672,
32.345
],
[
35.109,
35.782
],
[
36.339,
37.477
],
[
38.522,
39.195
],
[
41.517,
42.98
],
[
43.63,
44.698
],
[
45.279,
46.417
],
[
47.044,
47.833
],
[
48.321,
49.412
],
[
50.48,
51.154
],
[
52.059,
52.849
],
[
55.565,
62.253
],
[
62.392,
68.963
],
[
69.335,
69.939
],
[
70.983,
71.634
],
[
72.748,
73.375
],
[
74.397,
75.047
],
[
76.022,
76.788
],
[
77.81,
78.414
],
[
79.435,
80.202
],
[
80.434,
80.991
],
[
82.942,
83.615
],
[
85.914,
87.005
],
[
89.768,
90.442
],
[
91.371,
92.137
],
[
93.182,
93.855
],
[
96.595,
97.268
],
[
100.008,
100.682
],
[
103.422,
104.095
],
[
104.676,
105.79
],
[
106.835,
107.508
],
[
110.155,
111.293
],
[
111.943,
113.012
],
[
113.615,
114.73
],
[
115.403,
116.146
],
[
116.634,
117.748
],
[
118.793,
119.467
],
[
120.395,
121.185
],
[
123.507,
130.543
],
[
130.844,
137.276
],
[
137.648,
138.252
],
[
139.297,
139.947
],
[
141.015,
141.688
],
[
142.71,
143.36
],
[
144.335,
145.45
],
[
146.193,
146.727
],
[
146.982,
147.586
],
[
147.772,
148.538
],
[
148.747,
149.304
],
[
151.255,
151.928
],
[
154.227,
155.318
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 3.924,
"exit_s": 156.456,
"active_fraction": 0.2393,
"segments": [
[
3.924,
6.478
],
[
10.751,
13.328
],
[
17.578,
20.201
],
[
31.254,
32.81
],
[
36.362,
38.313
],
[
43.189,
45.093
],
[
48.321,
50.271
],
[
58.584,
61.115
],
[
61.997,
63.53
],
[
85.914,
88.445
],
[
99.567,
101.053
],
[
104.699,
106.649
],
[
111.525,
113.012
],
[
116.634,
118.584
],
[
126.897,
129.521
],
[
130.31,
131.773
],
[
154.227,
156.456
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.511,
"exit_s": 165.117,
"active_fraction": 0.7497,
"segments": [
[
0.511,
2.949
],
[
3.924,
5.526
],
[
7.338,
9.845
],
[
10.751,
12.376
],
[
14.164,
16.649
],
[
17.578,
19.435
],
[
21.014,
26.889
],
[
27.841,
30.302
],
[
31.254,
33.506
],
[
34.667,
40.797
],
[
41.494,
47.601
],
[
48.321,
54.428
],
[
55.147,
64.714
],
[
65.387,
68.127
],
[
68.801,
71.262
],
[
72.237,
74.815
],
[
75.651,
78.089
],
[
79.064,
81.502
],
[
82.5,
84.915
],
[
85.914,
87.609
],
[
89.327,
95.109
],
[
96.154,
98.592
],
[
99.567,
101.982
],
[
102.98,
109.111
],
[
109.807,
115.96
],
[
116.634,
122.741
],
[
123.484,
132.702
],
[
133.724,
136.464
],
[
137.114,
139.575
],
[
140.574,
142.965
],
[
143.987,
146.425
],
[
147.4,
149.838
],
[
150.814,
153.205
],
[
154.227,
155.852
],
[
157.64,
160.845
],
[
161.077,
162.238
],
[
164.49,
165.117
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.511,
"exit_s": 162.725,
"active_fraction": 0.9064,
"segments": [
[
0.511,
3.646
],
[
3.947,
7.105
],
[
7.361,
10.565
],
[
10.774,
13.932
],
[
14.187,
17.299
],
[
17.601,
20.759
],
[
21.014,
27.632
],
[
27.841,
30.975
],
[
31.254,
33.855
],
[
34.667,
82.175
],
[
82.5,
85.658
],
[
85.937,
89.049
],
[
89.327,
95.922
],
[
96.154,
99.312
],
[
99.567,
102.145
],
[
103.004,
150.489
],
[
150.814,
153.925
],
[
154.25,
157.037
],
[
157.64,
162.725
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.952,
"exit_s": 164.026,
"active_fraction": 0.7818,
"segments": [
[
0.952,
2.461
],
[
4.365,
6.177
],
[
7.779,
9.451
],
[
11.192,
13.003
],
[
14.605,
16.231
],
[
18.019,
19.83
],
[
21.432,
27.469
],
[
28.259,
29.861
],
[
31.672,
33.971
],
[
35.085,
43.236
],
[
43.63,
48.274
],
[
48.762,
82.222
],
[
82.918,
84.288
],
[
86.332,
88.073
],
[
89.768,
95.782
],
[
96.595,
98.011
],
[
100.008,
102.261
],
[
103.422,
111.572
],
[
111.943,
116.587
],
[
117.075,
150.535
],
[
151.255,
152.811
],
[
154.668,
155.968
],
[
158.081,
164.026
]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 1.37,
"exit_s": 164.026,
"active_fraction": 0.8862,
"segments": [
[
1.37,
3.042
],
[
4.783,
6.455
],
[
8.197,
9.868
],
[
11.61,
13.305
],
[
14.164,
27.492
],
[
27.841,
31.463
],
[
31.672,
45.581
],
[
45.767,
82.083
],
[
83.336,
89.165
],
[
89.327,
89.954
],
[
90.186,
95.806
],
[
96.154,
99.753
],
[
100.008,
113.871
],
[
114.08,
150.419
],
[
150.814,
151.394
],
[
151.673,
157.06
],
[
158.499,
164.026
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.952,
"exit_s": 164.026,
"active_fraction": 0.876,
"segments": [
[
0.952,
2.229
],
[
4.365,
5.619
],
[
7.779,
9.056
],
[
11.192,
12.469
],
[
14.164,
27.585
],
[
27.841,
41.262
],
[
41.494,
46.695
],
[
47.044,
47.81
],
[
48.344,
81.757
],
[
82.5,
95.875
],
[
96.154,
102.377
],
[
102.516,
109.552
],
[
109.807,
114.916
],
[
116.657,
150.071
],
[
150.814,
164.026
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 14.164,
"exit_s": 160.311,
"active_fraction": 0.7959,
"segments": [
[
14.164,
27.376
],
[
27.818,
38.058
],
[
38.22,
41.006
],
[
41.494,
46.417
],
[
48.367,
49.993
],
[
50.875,
75.349
],
[
76.904,
79.226
],
[
80.759,
81.874
],
[
82.5,
95.689
],
[
96.154,
106.347
],
[
106.58,
109.32
],
[
109.807,
114.66
],
[
116.68,
118.306
],
[
119.188,
143.685
],
[
145.264,
147.516
],
[
148.654,
150.163
],
[
150.814,
159.057
],
[
159.359,
160.311
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 15.023,
"exit_s": 165.976,
"active_fraction": 0.3069,
"segments": [
[
15.023,
17.345
],
[
17.578,
19.482
],
[
20.132,
21.2
],
[
28.677,
30.999
],
[
31.231,
36.571
],
[
41.494,
42.957
],
[
43.189,
46.37
],
[
58.073,
58.839
],
[
64.087,
65.248
],
[
83.336,
85.658
],
[
85.891,
87.771
],
[
88.468,
89.513
],
[
96.99,
99.335
],
[
99.544,
104.838
],
[
109.807,
111.293
],
[
111.502,
114.66
],
[
125.968,
126.735
],
[
126.827,
127.454
],
[
133.236,
134.002
],
[
151.65,
153.972
],
[
154.227,
156.061
],
[
156.781,
157.756
],
[
165.326,
165.976
]
]
}
],
"interlap_matrix": {
"sub|low_bass": 0.2687,
"sub|bass": 0.6478,
"sub|low_mid": 0.6083,
"sub|mid": 0.6491,
"sub|upper_mid": 0.5834,
"sub|presence": 0.6192,
"sub|brilliance": 0.5989,
"sub|air": 0.2616,
"low_bass|bass": 0.2786,
"low_bass|low_mid": 0.2625,
"low_bass|mid": 0.2189,
"low_bass|upper_mid": 0.2503,
"low_bass|presence": 0.249,
"low_bass|brilliance": 0.2434,
"low_bass|air": 0.2534,
"bass|low_mid": 0.8173,
"bass|mid": 0.7765,
"bass|upper_mid": 0.7778,
"bass|presence": 0.8023,
"bass|brilliance": 0.7445,
"bass|air": 0.3005,
"low_mid|mid": 0.8434,
"low_mid|upper_mid": 0.9206,
"low_mid|presence": 0.9017,
"low_mid|brilliance": 0.8178,
"low_mid|air": 0.305,
"mid|upper_mid": 0.8395,
"mid|presence": 0.8331,
"mid|brilliance": 0.7372,
"mid|air": 0.2383,
"upper_mid|presence": 0.9284,
"upper_mid|brilliance": 0.8464,
"upper_mid|air": 0.3246,
"presence|brilliance": 0.8911,
"presence|air": 0.3403,
"brilliance|air": 0.384
},
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"times_s": [
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0.186,
0.372,
0.557,
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0.929,
1.115,
1.3,
1.486,
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},
{
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{
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},
{
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},
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},
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},
{
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},
{
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},
{
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},
{
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},
{
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},
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},
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},
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},
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}
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},
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"baked_fade_in": true
},
"ending": "through_or_loop",
"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."
},
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}