In fact, Bruno, the beginning was heard- slightly faster- during the famous scene in "TV or Not TV" as the "soundtrack" of the late movie Ralph is watching on TV [ALICE: "Ralph, will you COME TO BED? It's ONE O'CLOCK in the morning!!!"/RALPH: "I'm watchin' the late show....."].
It was written for Marilyn Taylor, June's sister {she was his choreographer}. She and Jackie had a clandestine affair during the 1950's; they finally married each other in 1975.