Press the Right Arrow key for the next song and the Left Arrow key for the previous song. The Up Arrow key will stop the project until clicked again (this is not pause unfortunately). The Down Arrow key will allow you to search for the song you want.
I redesigned the song player and some other things (I'm mostly just reorganizing the songs). And I may have put too many songs in one project but it works on a computer (It crashed the silk browser on my fire tablet in five seconds.) This one has the music in the levels, the title and also the map music. I will make more projects with the other songs later. (-: Click Stop for a surprise.