This book examines in detail the use of the authentic voice, highlighting its virtuosity, healing potency, and importance to well-being. It demonstrates the powerful impact of the voice, using clinical examples from mental health, medical, and special education settings. The book demonstrates how the potentials of using voice in music therapy is not limited to singing songs but also includes sighing, crying, screaming, groaning, humming, laughing, lamenting, and natural forms of singing as human expressions in different cultural traditions. The book integrates emotional, relational, cognitive, physical, aesthetic, spiritual and technical aspects of voice and singing into a multicultural clinical method.