{
  "nc_version": "0.1",
  "title": "A♭ major 13th chord, root (full chord set v4)",
  "creator": {
    "name": "Petrus",
    "link": "https://musicmatter.art/"
  },
  "license": "CC-BY-SA-4.0",
  "audio": "https://fullchords.musicmatter.art/Ab/03_thirteenths_Abmaj13_root.flac",
  "format": {
    "mime": "audio/flac",
    "container": "flac",
    "codec": "flac",
    "lossless": true,
    "sample_rate": 48000,
    "bit_depth": 24,
    "channels": 2,
    "frames": 209455,
    "pcm_md5": "92e59c55a34e5a86742b15ac2b94eb7d"
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  "sha256": "16327a528ad8d874f1ced8ebc2dba05a9c6599c1e1070fe9109115491e8ebc77",
  "type": "chord",
  "key": "G# major",
  "chords": [
    "Abmaj13"
  ],
  "loopable": false,
  "register": {
    "low": "G#2",
    "high": "F4",
    "root": "G#2",
    "bass": "G#2",
    "inversion": "root"
  },
  "collection": "full-chord-set-v4",
  "chord": {
    "symbol": "Abmaj13",
    "root": "Ab",
    "root_pc": 8,
    "quality": "maj13",
    "quality_name": "major 13th",
    "family": "03_thirteenths",
    "family_name": "thirteenths",
    "voicing": "root",
    "notes": [
      "G#2",
      "C3",
      "D#3",
      "G3",
      "A#3",
      "F4"
    ],
    "midi_notes": [
      44,
      48,
      51,
      55,
      58,
      65
    ],
    "bass_note": "G#2",
    "bass_midi": 44,
    "bass_degree": "root",
    "root_in_voicing": true
  },
  "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_Ab_v4_sequence.mid",
    "sequence_slot": 102,
    "slot_of": 188,
    "start_bar": 203,
    "cut_start_frame": 21154811,
    "measured_onset_ms_from_grid": -0.354
  },
  "midi": "../../../midi/fullchords-v4/Ab/03_thirteenths_Abmaj13_root.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": [
      "G#2",
      "C3",
      "D#3",
      "G3",
      "A#3",
      "F4"
    ],
    "size_bytes": 166,
    "sha256": "f253131cd18d56a569450a790bf7957d427e790721fccd8e03a197828d304eff"
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}