This cool feature lets you mess around with the song's key, shifting it up or down by about 3 semitones from its starting point. If it's lighting up in bright white, it's your cue to give it a click. Ever wondered if you can play 'Ballade Pour Adeline' by Richard Clayderman in a different key? Here's the lowdown: Search for the little notes symbol chillin' at the bottom of the sheet music.
