Paul Hindemith had a multifaceted career as an internationally acclaimed composer, performer, festival organizer, teacher, lecturer, and writer. Born in Germany in 1895, he was a leading member of the musical avant-garde, and when the Nazis came to power his compositions eventually were banned as "decadent art." In 1938 Hindemith went into voluntary exile in Switzerland and in 1940 migrated to the United States, where he became a citizen. His return...