A pivotal twentieth-century composer, Samuel Barber earned a long list of honors and accolades that included two Pulitzer Prizes for Music and the public support of conductors like Arturo Toscanini, Serge Koussevitzky, and Leonard Bernstein. Barber's works have since become standard concert repertoire and continue to flourish across high art and popular culture. Acclaimed biographer Howard Pollack (Aaron Copland, George Gershwin)...