music/exemplars/formula_cards/UNMATCHED__36_-_Cursed_Hana_Valley.json
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{
"position_s": 0.09,
"duration_s": 9.26,
"delta_bpm": 80.81,
"shape": "step"
},
{
"position_s": 11.03,
"duration_s": 12.61,
"delta_bpm": 70.59,
"shape": "step"
},
{
"position_s": 24.36,
"duration_s": 5.62,
"delta_bpm": 64.38,
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},
{
"position_s": 36.83,
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"delta_bpm": 70.61,
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},
{
"position_s": 45.33,
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},
{
"position_s": 59.63,
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},
{
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},
{
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},
{
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"shape": "step"
},
{
"position_s": 109.88,
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
"position_s": 190.1,
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"shape": "step"
},
{
"position_s": 195.23,
"duration_s": 5.43,
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"shape": "step"
},
{
"position_s": 207.56,
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"delta_bpm": 83.95,
"shape": "step"
}
],
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"rubato_depth_bpm": 95.467
},
"global_bpm": 89.1,
"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": 89.1,
"tempo_bpm_median_local": 89.1,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0172
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"dominant_onset_period_s": 0.6734,
"dominant_onset_period_bpm": 89.1,
"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": 0.617,
"onset_rate_per_s": 10.769
}
},
"tonality": {
"key": "F#",
"mode": "minor",
"windowed_key_agreement": 0.4545,
"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": {
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"onset_bars": 0.16,
"pitch_contour": "DUD-DUDU-------",
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4,
7,
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4.0,
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0.0,
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28.0,
0.0,
0.0,
0.0,
0.0,
0.0,
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0.0
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"range_semitones": 34.0,
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}
},
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"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.",
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"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.02013,
"seam_ratio": 49.679,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": 0.0,
"head_rms_trend": 0.8166,
"baked_fade_out": false,
"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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"signature_colour": "dark"
}
}
}