Porgy and Bess is a unique opera and a popular favourite in which George Gershwin mixed jazz with the western opera tradition and Afro-American and Russian Jewish music. Everyone knows the hits from the opera and 1959 film Porgy and Bess, which include ‘Summertime’, ‘I Got Plenty O’ Nuttin’’, ‘Bess, You Is My Woman Now’ and ‘It Ain’t Necessarily So’.