Sound and vision | 19 November 2011

The 20th century was a century of musical revolutions. One of the last and most audacious ignited 50 years ago on the east and west coasts of America. And in a small but significant way The Spectator played a part in fanning the flames. In 1968 a young critic and early-music specialist by the name of Michael Nyman was sent out by the magazine to review a new work by Cornelius Cardew, a little-known British maverick.