Alvin and the Chipmunks - The Squeakquel (2009)[NDS]

Alvin and The Chipmunks: The Squeakquel lets you play as Alvin and The Chipmunks or their girl-group counterpart, The Chipettes, in a variety of pulse-pounding concert locations that will challenge your rhythmic skills to the limit. Feature in a dramatic finale performance to win the hearts and minds of fans at Hollywood’s Super Duper Dome.

Link:
Alvin and the Chipmunks - The Squeakquel NDS @ Rapidshare

the password is ' chipmunk '
feel free to put a non-RS mirror in the comments
enjoy!