Sixteen musical instruments are introduced one at a time, first with a color photograph of a boy or girl playing an instrument paired with the question forming the book's title. Upon turning the page, a photograph of someone playing it corresponds with brief information about the instrument. The instruments include a practical mix such as recorder, saxophone, bagpipes, electric guitar, pipe organ and trumpet. A visual symbol and phrase designate to which instrument group each one belongs. Brief details about instruments, lessons, teaching methods, practice time, joining an orchestra or band and recitals appears at the book's end to respond to adults' questions. The diversity of the children showing an interest in the instruments can encourage the natural curiosity of readers from varying backgrounds. (Ages 4-8)