Opened in 1932. Ran 572 performances, to about May 1933. Show Boat is a musical with music by Jerome Kern and book and lyrics by Oscar Hammerstein II. It is based on Edna Ferber's best-selling 1926 novel of the same name. The musical follows the lives of the performers, stagehands and dock workers on the Cotton Blossom, a Mississippi River show boat, over 40 years from 1887 to 1927. Its themes include racial prejudice and tragic, enduring love. The musical contributed such classic songs as "Ol' Man River", "Make Believe", and "Can't Help Lovin' Dat Man". Wiki link