Based on the controversial off-Broadway musical comedy revue, "Oh! Calcutta! is a series of musical numbers about sex and sexual mores. Most of the skits feature one or more performers in ei... Read allBased on the controversial off-Broadway musical comedy revue, "Oh! Calcutta! is a series of musical numbers about sex and sexual mores. Most of the skits feature one or more performers in either a state of undress, simulating sex, or both.Based on the controversial off-Broadway musical comedy revue, "Oh! Calcutta! is a series of musical numbers about sex and sexual mores. Most of the skits feature one or more performers in either a state of undress, simulating sex, or both.