musicjson-toolbox

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"noteNumberAbsolute": 6 } ], [ { "pitch": { "step": "F", "octave": 4, "alter": 0 }, "rest": false, "duration": 2, "type": "eighth", "measureNumber": 0, "noteNumber": 3, "noteNumberAbsolute": 3 }, { "pitch": { "step": "G", "octave": 4, "alter": 0 }, "rest": false, "duration": 2, "type": "eighth", "measureNumber": 0, "noteNumber": 4, "noteNumberAbsolute": 4 }, { "pitch": { "step": "C", "octave": 4, "alter": 1, "accidental": "sharp" }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 1, "noteNumber": 0, "noteNumberAbsolute": 6 }, { "pitch": { "step": "D", "octave": 4, "alter": -1, "accidental": "flat" }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 1, "noteNumber": 1, "noteNumberAbsolute": 7 } ], [ { "pitch": { "step": "G", "octave": 4, "alter": 0 }, "rest": false, "duration": 2, "type": "eighth", "measureNumber": 0, "noteNumber": 4, "noteNumberAbsolute": 4 }, { "pitch": { "step": "C", "octave": 4, "alter": 1, "accidental": "sharp" }, "rest": false, 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"measureNumber": 1, "noteNumber": 2, "noteNumberAbsolute": 8 }, { "pitch": { "step": "E", "octave": 4, "alter": 0 }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 2, "noteNumber": 0, "noteNumberAbsolute": 9 } ], [ { "pitch": { "step": "D", "octave": 4, "alter": -1, "accidental": "flat" }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 1, "noteNumber": 1, "noteNumberAbsolute": 7 }, { "pitch": { "step": "B", "octave": 4, "alter": 0, "accidental": "natural" }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 1, "noteNumber": 2, "noteNumberAbsolute": 8 }, { "pitch": { "step": "E", "octave": 4, "alter": 0 }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 2, "noteNumber": 0, "noteNumberAbsolute": 9 }, { "pitch": { "step": "A", "octave": 4, "alter": 0 }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 2, "noteNumber": 1, "noteNumberAbsolute": 10 } ], [ { "pitch": { "step": "B", "octave": 4, "alter": 0, "accidental": "natural" }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 1, "noteNumber": 2, "noteNumberAbsolute": 8 }, { "pitch": { "step": "E", "octave": 4, "alter": 0 }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 2, "noteNumber": 0, "noteNumberAbsolute": 9 }, { "pitch": { "step": "A", "octave": 4, "alter": 0 }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 2, "noteNumber": 1, "noteNumberAbsolute": 10 }, { "pitch": { "step": "E", "octave": 4, "alter": 0 }, "rest": false, "duration": 2, "type": "eighth", "measureNumber": 2, "noteNumber": 2, "noteNumberAbsolute": 11 } ], [ { "pitch": { "step": "E", "octave": 4, "alter": 0 }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 2, "noteNumber": 0, "noteNumberAbsolute": 9 }, { "pitch": { "step": "A", "octave": 4, "alter": 0 }, "rest": false, "duration": 4, "type": "quarter", "measureNumber": 2, "noteNumber": 1, "noteNumberAbsolute": 10 }, { "pitch": { "step": 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