The Chipmunks need a hit song and you have to help Alvin with his harmonica! Use your left and right arrow keys to move the harmonica back and forth to play the right notes. There are three difficulty settings and each is progressively harder to play all the notes. Each part of Alvin’s harmonica is colored and you have to move it to match the color on the harmonica to the color of the note being played. If you miss too many notes, the Chipmunks won’t want you in their band anymore so be sure to play the right notes!