This interdisciplinary work is a tapestry of thought generated by music therapists, scholars, and performers in related fields such as anthropology, philosophy, music composition/performance, psychology, and musicology. It is woven together by the editor through a description of the process of interdisciplinary engagement, a personal description of her relationship with each author, and a final statement on the power of sound. The book is organized around the themes of listening, playing, and creating--essential processes in the work of music as therapy.