Open this unique picture book and meet John Cage, the pioneering, inspiring composer who believed all sound--from the crash of a slamming door to the whirr of a blender to the whoosh of the wind--was music. For John Cage, music was everywhere: in the hum of the refrigerator, the screech of a garbage truck, the patter of the rain. But other people disagreed. They felt that, surely, a pianist on stage must actually...