Employing the creative device of "Imaginary Conversations" in the first section of his book, Bernstein illuminates the importance of the symphony in America, the greatness of Beethoven, and the art of composing. The book also includes a photo section and a third section with the transcripts from his televised Omnibus music series, including "Beethoven's Fifth Symphony," "The World of Jazz," "Introduction to Modern Music," and "What Makes Opera Grand?"...