This book is for music lovers who want to learn about the science of music. It will show the reader what music is made of, how musical sounds become melodies, and how music training imprints on the human brain. The book addresses a wide audience, from the general public to parents of young children, music therapists, music teachers, philosophers, and psychologists. It highlights the role of music in child development and in healing. Readers will also find some interesting facts about the history of music and the basics of the science of emotion. The book argues that studying music, this language of emotions, will help our understanding of human consciousness.