Tap is rhythm - rhythm is tap. Its origins are many and varied. Americans claim its origin dates from the African Jazz age. The Irish stake their claim to Jigs and Step Dancing. The English relate back to northern Clog Dancers, but whichever one chooses to believe, tap is as popular today as it was in the heyday of the great Fred Astaire and Gene Kelly musicals. Evergreen shows, 42nd Street and Crazy For You, and the more reecnt Stomp and Tap Dogs highlight the great diversities of style and music in tapping.