Opened at the Winter Garden Theatre on November 3, 1960. Closed February 10, 1962 after 532 performances — 15 months. The Unsinkable Molly Brown is a 1960 musical with music and lyrics by Meredith Willson and book by Richard Morris. The plot is a fictionalized account of the life of Margaret Brown, who survived the sinking of the RMS Titanic, and her wealthy miner-husband. A musical film version, also titled The Unsinkable Molly Brown, with screenplay by Helen Deutsch, was released in 1964. Wiki link