This week, one day of Stockhausen's week-long opera Licht comes to London's Southbank Centre. Bobby Barry explores the history and significance of one of the greatest and most outlandish musical spectacles the world has ever seen. Photos by Meng Phu
In the first of a new series of essays on non European cultural influences on experimental music, Seymour Wright of improvisational group أحمد [Ahmed] writes on the constant inspiration of Ahmed Abdul-Malik