{
  "nc_version": "0.1",
  "title": "C♯ major 7th arpeggio (up/down), take 6",
  "creator": {
    "name": "Petrus",
    "link": "https://musicmatter.art/"
  },
  "license": "CC-BY-SA-4.0",
  "audio": "https://audio.musicmatter.art/sounds/csharpmaj7-arp-updown-6.flac",
  "format": {
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  "sha256": "8b0c44b0df9470c0e04195e2e69c15933511d156e1dc50330bd0c1ee8b259e0c",
  "type": "arpeggio",
  "key": "C# major",
  "chords": [
    "C#maj7"
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  "loopable": false,
  "loop": {
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    "length_frames": 104727,
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    "bars": 1,
    "bpm": 110,
    "region": "bar 2 (from just before strike 2 to just before strike 3)",
    "crossfade": 1385,
    "crossfade_ms": 28.854,
    "crossfade_shape": "equal-power",
    "crossfade_mode": "tail-into-pre-roll",
    "spec": "https://musicmatter.art/CHANGELOG.md (v7.2: loop entry)"
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  "register": {
    "low": "C#3",
    "high": "C4",
    "root": "C#3",
    "bass": "C#3",
    "inversion": "root"
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    "direction": "up-down",
    "pattern": "1-2-3-4-3-2",
    "cycle": [
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    "pitch_order": "ascending-descending",
    "pitch_order_note": "ascending then descending in pitch",
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    "restarts_each_bar": true,
    "rate": {
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      "bpm": 110,
      "step_s": 0.13636,
      "meter": "4/4"
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    "duration_s": 4.364
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  "midi": "../midi/csharpmaj7-arp-updown-6.mid",
  "midi_info": {
    "derived_from_audio": true,
    "source": "audio_analysis",
    "confidence": "high",
    "method": "per-note onset analysis of this clip (FFT flux detector, octaves cross-checked with pYIN)",
    "timing": "32 sixteenth notes at 110 BPM 4/4 from 0 s (2 bars), nominal gate 92%, velocity 96",
    "notes": [
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