In the 1930s, Aaron Copland began to write in an accessible style he described as "imposed simplicity." Works like El Salon Mexico, Billy the Kid, Lincoln Portrait, and Appalachian Spring feature a tuneful idiom that brought the composer unprecedented popular success and came to define anAmerican sound. Yet the cultural substance of that sound--the social and political perspective that might be heard within these familiar pieces--has until now been largely overlooked.While it has long been acknowledged that Copland subscribed to leftwing ideals, Music for the Common Man is the first sustained attempt to understand some of Copland's best-known music in the context of leftwing social, political, and cultural currents of the Great Depression and Second World War....