Opened in August 1985. Closed May 16, 1987 after 608 performances — 21 months. The Mystery of Edwin Drood is a mystery musical comedy written by Rupert Holmes based on the unfinished Charles Dickens novel of the same name. The show was the first Broadway musical with multiple endings. The show won five Tony Awards, including Best Musical, with Holmes awarded for Best Book of a Musical and Best Original Score. Wiki link