Porgy and Bess was written by George Gershwin, with libretto by DuBose Heyward and Ira Gershwin, in 1935. It was based on DuBose and Dorothy Heyward’s play Porgy, which was itself adapted from DuBose’s eponymous novel of 1925. Set in South Carolina in the 1920s, it explores the lives of the African American residents of Catfish Row, a fictitious place on the waterfront of Charleston. Here, Porgy is a disabled beggar while Bess is the lover of Crown, a tough stevedore. Crown...