Grover's Music Maker

Grover's Music Maker was originally called Monkey Music and featured a dancing monkey instead of Grover. Grover's Music Maker was an attempt by Atari to introduce children to the music through some well known (and some not so well known) children's tunes. Selecting one of the twenty letters (A -T), will cause Grover to start jumping around while some music is played in the background. It's unknown...