A compilation of 29 previously published case examples with over 120 audio and video excerpts illustrating how leading music therapists have used vocal and instrumental improvisation as an integral part of the therapeutic process with children, adolescents, and adults with various needs. Included are several significant cases examples of Nordoff-Robbins Music Therapy and Analytical Music Therapy, with audio files by the founders of these approaches (Paul Nordoff and Clive Robbins and Mary Priestley respectively) and their leading proponents. Available only as an enhanced e-book.