The vocal group behind the theme song "Where in the World Is Carmen Sandiego?" is Rockapella , an American a cappella group formed in 1986 in New York City. Rockapella served as the house band and provided the theme song for the PBS children's geography game show Where in the World Is Carmen Sandiego? from 1991 to 1996

. Rockapella gained significant recognition and popularity through this role, performing the catchy theme song weekly on the show, which became one of the most internationally recognizable pieces of the Carmen Sandiego franchise

. The group’s lineup during the show included members such as Sean Altman, Elliott Kerman, Barry Carl, Scott Leonard, and later Jeff Thacher as the vocal percussionist

. Today, Rockapella continues to perform and tour, maintaining their legacy as pioneers in contemporary a cappella music

. In summary:

• Group: Rockapella
• Origin: New York City, USA
• Role: House band and vocal group for Where in the World Is Carmen Sandiego? TV show
• Famous for: Performing the theme song "Where in the World Is Carmen Sandiego?"
• Active since: 1986 to present