Grease is a 1971 musical by Jim Jacobs and Warren Casey. It takes its name from the 1950s United States working-class culture known as the greasers. It is set in 1959 in a made-up school called Rydell High in Chicago and is about the romance between high schoolers Danny Zuko and Sandy Dumbrowski.
Grease had its world premiere in Chicago in 1971. Its Broadway premiere occurred at the Broadhurst Theatre on 7 June 1972. It closed on 13 April 1980 after a run of 3,388 performances. It opened on the West End in 1973.