What do Pythagoras, Plato, Newton, and Wittgenstein have in common with Jack and the Beanstalk, David and Goliath, the Hare and the Tortoise, and Formula 1 auto racing? Hearing is the clue, and musical science the answer. In his revolutionary sequel to The Concept of Music (OUP, 1990), Robin Maconie uncovers the hidden role of musical acoustics in the formulation of key concepts of science and philosophy from ancient Greece to modern times.