{
  "global": {
    "measures": [
      {
        "time": {
          "count": 4,
          "unit": 4
        }
      },
      {}
    ]
  },
  "mnx": {"version": 1},
  "parts": [
    {
      "measures": [
        {
          "clefs": [
            {
              "clef": {
                "sign": "G",
                "staffPosition": -2
              }
            }
          ],
          "sequences": [
            {
              "content": [
                {
                  "type": "tremolo",
                  "marks": 2,
                  "outer": {"multiple": 2, "duration": {"base": "quarter"}},
                  "content": [
                    {
                      "duration": {"base": "half"},
                      "notes": [
                        {"pitch": {"octave": 4, "step": "G"}}
                      ]
                    },
                    {
                      "duration": {"base": "half"},
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                      ]
                    }
                  ]
                },
                {
                  "type": "tremolo",
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                  "outer": {"multiple": 2, "duration": {"base": "quarter"}},
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                    {
                      "duration": {"base": "half"},
                      "notes": [
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                      ]
                    },
                    {
                      "duration": {"base": "half"},
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        {
          "sequences": [
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                      "duration": {"base": "whole"},
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                      ]
                    },
                    {
                      "duration": {"base": "whole"},
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                      ]
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}
