How Equal Temperament Ruined Harmony : And Why You Should Care, Paperback by Duffin, Ross W., ISBN 0393334201, ISBN-13 9780393334203, Like New Used, Free shipping in the US

The author of Shakespeare's Songbook offers an engaging study of musical temperament and its influence on the ways in which we experience music, tracing the practice of dividing an octave into twelve equally proportioned half-steps and proposing a radical new approach to how we play and hear music.