"The Show of Shows" was Warner Bros.' answer to MGM's "The Hollywood Revue of 1929", and "Singing in the Bathtub" spoofs "Hollywood Revue's" song "Singin' in the Rain".In "Show of Shows", the number features an enormous bathtub and is performed by Winnie Lightner and a chorus of male performers (some dressed as women) wearing antiquated bathing suits.