Sister Act is without music.
The musical film is a film genre in which songs sung by the characters are interwoven into the narrative , sometimes accompanied by dancing . Sister Act is a 1992 American musical comedy film directed by Emile Ardolino and written by Joseph Howard . Featuring musical arrangements by Marc Shaiman , the film stars Whoopi Goldberg as a Reno lounge singer who has been put under protective custody in a San Francisco convent of Poor Clares and has to pretend to be a nun when a mob boss puts her on his hit list .