You can find the related object in Jsonic.Melody. See more detials in the API document.
The instance of note stands for a music note. Note is the minimum part of melody. Create a note with the following code.
var note1 = new Jsonic.Melody.Note(7,1/4,0,false);
The following code created a 4/4 e major music score.
var musicScore = new Jsonic.Melody.MusicScore('E','major','4/4');
You can use the function 'w' to append note to the music score.
musicScore.w(note1, note2, new Jsonic.Melody.Note(7,1/4,0,false))
It is easy to change the modal of the music score. You just need to change the music's proprety.
You need to create an instance of Track, if you want to play the music score.
var track = new Jsonic.Melody.Track();
Use the function play to play a music score. The speed of the music score should be defined at this time.
Use the function stop tp stop playing the music score. Click here to see a demo.
In the version above 1.1, TrackGain is added to Jsonic.Melody. Its usage is the same as Track. But the impliment of these two objects are different.