sentences:  The program uses music as an integral part of its concept, and like the original Australian group, the cast of the American series became a recognised musical group for children outside of the show, known collectively as Hi-5.The debut album of the group, "Jump and Jive with Hi-5", corresponded with the first season of the show and was released in September 2004 by Koch Entertainment.A special holiday album, "It's a Hi-5 Christmas", was released in October 2005.