for (var j = 0; j < measures[i].notes.length; j++) {
                if (measures[i].tuplets && measures[i].tuplets[j]) {
                    if (measures[i].tuplets[j].toString() !== 'false' && measures[i].tuplets[j].toString() !== 'undefined') {
                        var tupletNotes = measures[i].notes.slice(j, (j + parseInt(measures[i].tuplets[j])));
                        var tupletLocation = tupletNotes[0].stem.stem_direction;