The Inner Game of Tennis by Tim Gallwey outlines an excellent strategy to overcome performance anxiety in a variety of situations. Gallwey's book has become a standard reference for performers and athletes.
John Holt, the American education critic, writes his account of learning cello as an adult in Never too Late.
William Westney wrote The Perfect Wrong Note, exploring liberation through music and the musician's search for perfection.
The Lives of the Great Composers provides the reader short biographies of many composers, some still living. It is written by Harold Schonberg.
Harold Schonberg also wrote The Great Pianists. Schonberg provides insight on many great performers in the last several centuries.