It was the most chaotic era in the history of American entertainment, possibly its most dynamic, and in some ways its least understood. In a stunningly brief time, as the Jazz Age roared to a close, the art of the silent film became extinct, thrown over in favor of the unknown, virtually untested medium of talking pictures. Leading the way was a brand new American art form: the movie musical. Taking off like a shot from day one, this new genre instantly...