bpm: 100
rowsperpattern: 16
rowsperbeat: 4
tracks:
    - numvoices: 1
      sequence: [0]
      patterns: [[64, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0]]
    - numvoices: 1
      sequence: [0]
      patterns: [[0, 0, 0, 0, 0, 0, 0, 0, 64, 1, 1, 0, 0, 0, 0, 0]]
patch:
    instruments:
        - numvoices: 1
          units:
            - type: envelope
              parameters: {attack: 64, decay: 64, gain: 128, release: 80, stereo: 0, sustain: 64}
            - type: envelope
              parameters: {attack: 64, decay: 64, gain: 0, release: 80, stereo: 0, sustain: 64}
            - type: out
              parameters: {gain: 128, stereo: 1}
        - numvoices: 1
          units:
            - type: envelope
              parameters: {attack: 32, decay: 32, gain: 0, release: 80, stereo: 0, sustain: 64}
            - type: envelope
              parameters: {attack: 32, decay: 32, gain: 128, release: 80, stereo: 0, sustain: 64}
            - type: out
              parameters: {gain: 128, stereo: 1}