music/exemplars/formula_cards/UNMATCHED__2-01_Ruined_World.json
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"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": 123.05,
"tempo_bpm_median_local": 123.05,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0409
},
"dominant_onset_period_s": 1.9505,
"dominant_onset_period_bpm": 30.76,
"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": 0.652,
"onset_rate_per_s": 10.768
}
},
"tonality": {
"key": "F",
"mode": "minor",
"windowed_key_agreement": 0.35,
"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": 6.153,
"onset_bars": 3.68,
"pitch_contour": "U------U--DU---",
"interval_vocabulary_semitones": [
0,
2,
4
],
"intervals": [
2.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
2.0,
0.0,
0.0,
-4.0,
2.0,
0.0,
0.0,
0.0
],
"range_semitones": 4.0,
"distinctive_deviation": {
"largest_interval_semitones": -4.0,
"at_note_index": 11,
"is_licensed_leap": false
}
},
"motif_economy": {
"self_similarity_peak": 0.9779,
"self_similarity_baseline": 0.7805,
"self_similarity_lift": 0.1974,
"recurrence_lag_s": 69.799,
"interval_3gram_repetition": 0.407,
"interval_4gram_repetition": 0.2471
},
"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": 0.557,
"exit_s": 144.66,
"active_fraction": 0.0823,
"segments": [
[
0.557,
4.621
],
[
70.565,
74.722
],
[
140.365,
144.66
]
]
},
{
"lane": "low_bass",
"band_hz": [
45,
90
],
"entry_s": 0.557,
"exit_s": 143.244,
"active_fraction": 0.0599,
"segments": [
[
0.557,
3.785
],
[
70.565,
73.77
],
[
140.365,
143.244
]
]
},
{
"lane": "bass",
"band_hz": [
90,
180
],
"entry_s": 0.557,
"exit_s": 145.566,
"active_fraction": 0.2352,
"segments": [
[
0.557,
5.782
],
[
35.759,
40.519
],
[
53.313,
58.166
],
[
70.542,
75.743
],
[
105.604,
110.248
],
[
123.135,
127.617
],
[
140.249,
145.566
]
]
},
{
"lane": "low_mid",
"band_hz": [
180,
355
],
"entry_s": 0.557,
"exit_s": 151.441,
"active_fraction": 0.945,
"segments": [
[
0.557,
52.524
],
[
52.593,
122.276
],
[
122.578,
151.441
]
]
},
{
"lane": "mid",
"band_hz": [
355,
710
],
"entry_s": 0.557,
"exit_s": 152.23,
"active_fraction": 0.9503,
"segments": [
[
0.557,
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]
]
},
{
"lane": "upper_mid",
"band_hz": [
710,
1400
],
"entry_s": 0.534,
"exit_s": 152.602,
"active_fraction": 0.9527,
"segments": [
[
0.534,
152.602
]
]
},
{
"lane": "presence",
"band_hz": [
1400,
2800
],
"entry_s": 0.534,
"exit_s": 152.23,
"active_fraction": 0.9504,
"segments": [
[
0.534,
152.23
]
]
},
{
"lane": "brilliance",
"band_hz": [
2800,
5600
],
"entry_s": 0.534,
"exit_s": 153.577,
"active_fraction": 0.9588,
"segments": [
[
0.534,
153.577
]
]
},
{
"lane": "air",
"band_hz": [
5600,
11200
],
"entry_s": 0.557,
"exit_s": 150.628,
"active_fraction": 0.9402,
"segments": [
[
0.557,
150.628
]
]
}
],
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"sub|mid": 0.0866,
"sub|upper_mid": 0.0864,
"sub|presence": 0.0866,
"sub|brilliance": 0.0859,
"sub|air": 0.0876,
"low_bass|bass": 0.2548,
"low_bass|low_mid": 0.0634,
"low_bass|mid": 0.0631,
"low_bass|upper_mid": 0.0629,
"low_bass|presence": 0.0631,
"low_bass|brilliance": 0.0625,
"low_bass|air": 0.0637,
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"bass|mid": 0.2475,
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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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"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."
},
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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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