Composer John Cage is often described as the most influential musician of the last half-century. He has defined - and continues to define - our whole concept of "avant-garde", not just in music but increasingly as writer and visual artist. "The Roaring Silence" is the first full-length biography of Cage. It documents his life in unrivalled detail, interweaving a close account of the evolution of his work with an exploration of his aesthetic, political...