Opened at the Adelphi Theatre on July 12, 1993. Closed April 19, 1994 after 1,530 performances — 9 months. Sunset Boulevard is a musical with music by Andrew Lloyd Webber, and lyrics and libretto by Don Black and Christopher Hampton, based on the 1950 film. The plot follows Norma Desmond, a faded star of the silent-screen era, living in her decaying mansion on Sunset Boulevard in 1949 Los Angeles. When young screenwriter Joe Gillis accidentally crosses her path, she sees an opportunity to make her return to the big screen, with romance and tragedy to follow. Wiki link