{
  "rate": 44100,
  "duration": 4,
  "chords": [
    {
      "start": 0.25,
      "end": 1.5,
      "notes": [
        60,
        64,
        67
      ]
    },
    {
      "start": 2,
      "end": 3.25,
      "notes": [
        65,
        69,
        72
      ]
    }
  ],
  "method": "Sum of four harmonics per pitch; all three pitches start simultaneously within each chord; locally generated original fixture."
}