{
  "nc_version": "0.1",
  "title": "C dominant 9th chord, rootless B (full chord set v4)",
  "creator": {
    "name": "Petrus",
    "link": "https://musicmatter.art/"
  },
  "license": "CC-BY-SA-4.0",
  "audio": "https://fullchords.musicmatter.art/C/02_ninths_C9_rootless_B.flac",
  "format": {
    "mime": "audio/flac",
    "container": "flac",
    "codec": "flac",
    "lossless": true,
    "sample_rate": 48000,
    "bit_depth": 24,
    "channels": 2,
    "frames": 209455,
    "pcm_md5": "aa58b181c76c7ddaa44807cc80703aca"
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  "size_bytes": 260058,
  "sha256": "909ef2c9bc6839ede6ce3690df6a6892ff6687ecc8f812ba29c9425025501bac",
  "type": "chord",
  "key": "C major",
  "chords": [
    "C9"
  ],
  "loopable": false,
  "register": {
    "low": "A#3",
    "high": "G4",
    "root": null,
    "bass": "A#3",
    "inversion": "third"
  },
  "collection": "full-chord-set-v4",
  "chord": {
    "symbol": "C9",
    "root": "C",
    "root_pc": 0,
    "quality": "9",
    "quality_name": "dominant 9th",
    "family": "02_ninths",
    "family_name": "ninths",
    "voicing": "rootless_B",
    "notes": [
      "A#3",
      "D4",
      "E4",
      "G4"
    ],
    "midi_notes": [
      58,
      62,
      64,
      67
    ],
    "bass_note": "A#3",
    "bass_midi": 58,
    "bass_degree": "♭7",
    "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_C_v4_sequence.mid",
    "sequence_slot": 79,
    "slot_of": 188,
    "start_bar": 157,
    "cut_start_frame": 16337358,
    "measured_onset_ms_from_grid": -0.646
  },
  "midi": "../../../midi/fullchords-v4/C/02_ninths_C9_rootless_B.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": [
      "A#3",
      "D4",
      "E4",
      "G4"
    ],
    "size_bytes": 150,
    "sha256": "233653adfffad1afa87bffad01828b99f0513ff5f75e243c917f3a7fa68bdf5e"
  }
}