{
  "nc_version": "0.1",
  "title": "G 6/9 chord, rootless quartal (full chord set v4)",
  "creator": {
    "name": "Petrus",
    "link": "https://musicmatter.art/"
  },
  "license": "CC-BY-SA-4.0",
  "audio": "https://fullchords.musicmatter.art/G/06_sixths_G6-9_rootless_quartal.flac",
  "format": {
    "mime": "audio/flac",
    "container": "flac",
    "codec": "flac",
    "lossless": true,
    "sample_rate": 48000,
    "bit_depth": 24,
    "channels": 2,
    "frames": 209455,
    "pcm_md5": "04cde56e971017ea9832e747283c16e1"
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  "sha256": "a057b104c7a70fe280139134c13ef6a3e99ede3a477012a1f3f299d91ec77d21",
  "type": "chord",
  "key": "G major",
  "chords": [
    "G6-9"
  ],
  "loopable": false,
  "register": {
    "low": "B2",
    "high": "D4",
    "root": null,
    "bass": "B2",
    "inversion": "first"
  },
  "collection": "full-chord-set-v4",
  "chord": {
    "symbol": "G6-9",
    "root": "G",
    "root_pc": 7,
    "quality": "6-9",
    "quality_name": "6/9",
    "family": "06_sixths",
    "family_name": "sixths",
    "voicing": "rootless_quartal",
    "notes": [
      "B2",
      "E3",
      "A3",
      "D4"
    ],
    "midi_notes": [
      47,
      52,
      57,
      62
    ],
    "bass_note": "B2",
    "bass_midi": 47,
    "bass_degree": "3",
    "root_in_voicing": false
  },
  "performance": {
    "bpm": 110,
    "meter": "4/4",
    "strikes": 1,
    "velocity": 96,
    "hold": "1 bar minus a 1/32 note, then 1 bar of release/silence",
    "attack_offset_s": 0.002,
    "duration_s": 4.363646,
    "instrument_note": "recorded from Petrus's Bitwig Studio bounce; not pitch-shifted, time-stretched or normalized"
  },
  "source": {
    "sequence_midi": "../../../midi/fullchords-v4/sequences/NC_chords_G_v4_sequence.mid",
    "sequence_slot": 150,
    "slot_of": 188,
    "start_bar": 299,
    "cut_start_frame": 31208629,
    "measured_onset_ms_from_grid": -0.188
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  "midi": "../../../midi/fullchords-v4/G/06_sixths_G6-9_rootless_quartal.mid",
  "midi_info": {
    "derived_from_audio": false,
    "source": "performance_data",
    "confidence": "exact",
    "method": "the MIDI clip that was played to make this recording (from the 1-bar chord pack, transposed by whole semitones)",
    "timing": "one strike on the downbeat at 110 BPM 4/4, held 1 bar minus a 1/32 note; velocity 96",
    "notes": [
      "B2",
      "E3",
      "A3",
      "D4"
    ],
    "size_bytes": 158,
    "sha256": "e137fdaf39f037e6c4a54730118cc340f86ef97e20cdd8320494a9328abc9e55"
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}