Rockapella is a vocal group which formed in 1986 in New York City, best known for performing the theme song for the PBS series Where In the World is Carmen Sandiego? The group appears on the 1993 Muppet Beach Party album as the Giant Clams, singing "Papa-Oom-Mow-Mow" with Clifford and Kermit. The members of Rockapella who performed on Muppet Beach Party include Scott Leonard, Sean Altman, Elliott Kerman, and Barry Carl.