{
  "state": "complete",
  "instruments": [
    {
      "name": "piano",
      "notes": [
        {
          "pitch": 60,
          "start": 0.0,
          "end": 0.5,
          "velocity": 0.8
        },
        {
          "pitch": 64,
          "start": 0.5,
          "end": 1.0,
          "velocity": 0.75
        }
      ]
    },
    {
      "name": "bass",
      "notes": [
        {
          "pitch": 36,
          "start": 0.0,
          "end": 1.0,
          "velocity": 0.9
        }
      ]
    }
  ]
}