<Li> May the Best Chipmunk Win </Li> <Li> The Greatest Show - Offs on Earth </Li> <Li> Alvin and the Chipmunks: Chipwrecked: Blu - ray and DVD combo pack, standard DVD, double disc DVD and standard Blu - ray disc were released on March 27, 2012 (by 20th Century Fox Home Entertainment). </Li> <Li> Alvin and the Chipmunks: Batmunk (released by Paramount Home Video on July 10, 2012) <Ul> <Li> Batmunk </Li> <Li> Treasure Island </Li> <Li> Elementary, My Dear Simon </Li> </Ul> </Li>

Who are the singing voices of the chipmunks