"On keyboard instruments, tuning pure fifth intervals causes octaves to be out of tune. A temperament is a system in which the tuning of the fifths is altered to keep the octaves in tune and allow the use of all notes of the musical scale. A Guide to Musical Temperament explores how the twelve notes of the musical scale are tuned on keyboard instruments such as the harpsichord, clavichord, piano, and organ. All aspects of temperament are covered,...