music/exemplars/formula_cards/UNMATCHED__Portal2-03-FrankenTurrets.json
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"adjustment_events": [
{
"position_s": 0.05,
"duration_s": 3.16,
"delta_bpm": 57.0,
"shape": "step"
},
{
"position_s": 5.46,
"duration_s": 1.9,
"delta_bpm": -12.05,
"shape": "step"
},
{
"position_s": 7.96,
"duration_s": 26.66,
"delta_bpm": 18.73,
"shape": "step"
},
{
"position_s": 35.27,
"duration_s": 2.41,
"delta_bpm": -9.01,
"shape": "step"
},
{
"position_s": 38.41,
"duration_s": 3.48,
"delta_bpm": 18.74,
"shape": "step"
},
{
"position_s": 44.07,
"duration_s": 2.51,
"delta_bpm": 17.92,
"shape": "step"
},
{
"position_s": 47.65,
"duration_s": 3.6,
"delta_bpm": -14.06,
"shape": "step"
},
{
"position_s": 52.45,
"duration_s": 3.67,
"delta_bpm": -19.29,
"shape": "step"
},
{
"position_s": 56.56,
"duration_s": 2.39,
"delta_bpm": 14.67,
"shape": "step"
},
{
"position_s": 61.3,
"duration_s": 9.26,
"delta_bpm": -21.2,
"shape": "step"
},
{
"position_s": 70.8,
"duration_s": 3.48,
"delta_bpm": 50.89,
"shape": "step"
},
{
"position_s": 74.51,
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"shape": "step"
},
{
"position_s": 106.07,
"duration_s": 4.39,
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"shape": "step"
},
{
"position_s": 112.04,
"duration_s": 9.36,
"delta_bpm": 78.15,
"shape": "step"
},
{
"position_s": 121.63,
"duration_s": 19.57,
"delta_bpm": -23.25,
"shape": "step"
},
{
"position_s": 141.43,
"duration_s": 11.77,
"delta_bpm": 80.85,
"shape": "step"
},
{
"position_s": 153.95,
"duration_s": 2.3,
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"shape": "step"
},
{
"position_s": 157.69,
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"shape": "step"
},
{
"position_s": 164.4,
"duration_s": 9.52,
"delta_bpm": -23.61,
"shape": "step"
},
{
"position_s": 174.15,
"duration_s": 50.71,
"delta_bpm": 84.0,
"shape": "step"
},
{
"position_s": 225.09,
"duration_s": 4.02,
"delta_bpm": -24.45,
"shape": "step"
},
{
"position_s": 229.34,
"duration_s": 3.9,
"delta_bpm": 59.06,
"shape": "step"
},
{
"position_s": 233.48,
"duration_s": 14.58,
"delta_bpm": -26.93,
"shape": "ramp"
}
],
"dispersion_bpm": 51.912,
"rubato_depth_bpm": 117.454
},
"global_bpm": 117.45,
"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": 117.45,
"tempo_bpm_median_local": 117.45,
"tempo_iqr_bpm": 5.59,
"tempo_stability": 0.8095,
"beat_interval_cv": 0.0322
},
"dominant_onset_period_s": 0.9985,
"dominant_onset_period_bpm": 60.09,
"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": 0.672,
"onset_rate_per_s": 10.767
}
},
"tonality": {
"key": "C#",
"mode": "minor",
"windowed_key_agreement": 0.1935,
"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": 0.035,
"onset_bars": 0.02,
"pitch_contour": "DUDUDUDUDUDUDUD",
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],
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7.0,
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7.0,
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7.0,
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7.0,
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-7.0
],
"range_semitones": 24.0,
"distinctive_deviation": {
"largest_interval_semitones": -24.0,
"at_note_index": 1,
"is_licensed_leap": true
}
},
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"self_similarity_peak": 0.9688,
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},
"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.",
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]
},
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},
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"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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