The Grapes of Wrath is an opera in three acts composed by Ricky Ian Gordon to a libretto by Michael Korie based on John Steinbeck’s 1939 novel of the same title. It premiered on February 10, 2007 at the Ordway Center for the Performing Arts in Saint Paul, Minnesota in a production by Minnesota Opera. The work has been revised in subsequent years and has also been performed as a two-act concert version. Source: Wikipedia (en)