The accompanying CD showcases a range of different electric and electronic keyboards, and features audio tracks of all of the examples shown in the book, allowing readers to work their way through each section at their own pace, while the lay-flat binding means the book is easy to use at the keyboard or with a music stand. "The Keyboard Handbook" also includes a straightforward guide to reading music, and covers various aspects of music theory, including rhythm, scales, chords, and more.