The book Brain and Voice in Speech and Singing by Frederick Walker Mott explores the relationship between the brain and voice in speech and singing. The author examines in detail the physiology and psychology of the human brain, in particular the changes that occur when the voice is used in communication and art. The book is based on the author's own scientific research, supported by examples and illustrations. This book is an important source of information for academics, speech therapists, singing teachers, and anyone interested in the speech process and voice development.