 Joe Horowitz's book on Porgy and Bess is On My Way, the untold story of Ruben Mamoulian, George Gershwin, and Porgy and Bess. He's most recently the author of The Propaganda of Freedom, a book on the cultural Cold War. To hear previous More Than Music shows, including a tribute to George Shirley and an exploration of race and opera in South Africa, head over to the 1a.org slash series. More Than Music is supported by a grant from the National Endowment for the Humanities.