music/exemplars/formula_cards/UNMATCHED__32_Sylphs_Sfc_Version_.json
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"adjustment_events": [],
"dispersion_bpm": 0.0,
"rubato_depth_bpm": 0.0
},
"global_bpm": 92.29,
"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": 92.29,
"tempo_bpm_median_local": 92.29,
"tempo_iqr_bpm": 0.0,
"tempo_stability": 1.0,
"beat_interval_cv": 0.0169
},
"dominant_onset_period_s": 2.6006,
"dominant_onset_period_bpm": 23.07,
"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": 0.651,
"onset_rate_per_s": 10.768
}
},
"tonality": {
"key": "G#",
"mode": "major",
"windowed_key_agreement": 0.2121,
"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": 0.604,
"onset_bars": 0.46,
"pitch_contour": "--UD---------DU",
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],
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"range_semitones": 19.0,
"distinctive_deviation": {
"largest_interval_semitones": 19.0,
"at_note_index": 3,
"is_licensed_leap": true
}
},
"motif_economy": {
"self_similarity_peak": 0.9868,
"self_similarity_baseline": 0.6125,
"self_similarity_lift": 0.3743,
"recurrence_lag_s": 124.691,
"interval_3gram_repetition": 0.747,
"interval_4gram_repetition": 0.6389
},
"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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"low_mid",
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"upper_mid",
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"entry_s": 0.534,
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},
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"lane": "bass",
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"exit_s": 256.0,
"active_fraction": 0.968,
"segments": [
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},
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},
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"lane": "upper_mid",
"band_hz": [
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"entry_s": 1.161,
"exit_s": 254.885,
"active_fraction": 0.9631,
"segments": [
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]
},
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"lane": "presence",
"band_hz": [
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"entry_s": 0.534,
"exit_s": 257.95,
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"segments": [
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},
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"lane": "brilliance",
"band_hz": [
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