The use of music as an aid in curing diseases is as old as medicine, but the scientific application of music therapy by itself is relatively recent. This book presents a systematic study of music therapy through its history, theory, organization and methodology, and provides a comprehensive assessment of its therapeutic possibilities and their practical applications in the area of mental disorders, emotional problems, neurological diseases and physical, in geriatrics and in the area of prevention. This is a valuable handbook for professionals in the fields of psychological and psychiatric assistance, and in academia.