Opened on May 11, 1994 (a 1994 revival). Closed January 25, 1998 after 1,505 performances — 3.7 years. Original production in 1972 (3,388 performances) and revival in 2007 (554 performances) Grease is a 1971 musical with music, lyrics, and a book by Jim Jacobs and Warren Casey. Named after the 1950s United States working-class youth subculture known as greasers and set in 1959 at the fictional Rydell High School in Northwest Chicago, the musical follows ten working-class teenagers as they navigate the complexities of peer pressure, politics, personal core values, and love. Wiki link