[nacs]

A cleaner way may be to allow the play() method to accept a plain JS array of notes:

  var notes = ['D#5', 1/4, 'E5', 1/4];
             or
  var notes = [['D#5', 1/4], ['E5', 1/4]];

  beeplay().play(notes);

[watilde]

I plan to do it! A 'toJSON()' method is only for that.