From Wikipedia the free encyclopedia David C Johnson b 30 January 1940 in Batavia New York is an American composer flautist and performer of liveelectronic music David Johnson studied among other places at Harvard University MA in composition 1964 with Nadia Boulanger in Paris and at the Cologne Courses for New Music in 19641965 19651966 and 19661967 Stockhausen 1971198204 In 196667 he was an independent collaborator at the Electronic Studio of the WDR where he assisted Karlheinz Stockhausen with the production of his electronic work Hymnen He also operated the liveelectronics in the first performances of the chamberorchestra version of Stockhausens Mixtur 1967 and in the Darmstadt collaborative works directed by Stockhausen Ensemble in 1967 and Musik für ein Haus in 1968 Gehlhaar 1968 39 Ritzel 1970 50 Stockhausen 1971 213 and 217 In 1968 he was also instructor of electronic music at the Cologne Courses for New Music Stockhausen 1971 206 From its formation in Cologne in 1968 he collaborated with the group formed by bass guitarist Holger Schüring later known as Holger Czukay keyboardist Irmin Schmidt guitarist Michael Karoli and drummer Jaki Liebezeit in an experimental beat group that would later be known as Can He left in 1969 disappointed at growing rock influences In 1970 he performed in a number of Stockhausens process works Spiral Pole Expo at the German Pavilion of Expo 70 the Osaka Worlds Fair Kurtz 1992 178 Stockhausen 1971 17581 After Osaka together with Johannes Fritsch and Rolf Gehlhaar he founded in 1971 the Feedback Studio in Cologne and became a technical collaborator in the Studio for Electronic Music of the Rijksuniversiteit Utrecht Also in 1971 Johnson joined the Oeldorf Group a musicians cooperative with Peter Eötvös Mesías Maiguashca Gaby Schumacher cello and Joachim Krist viola who organized a Summer Night Music series that continued through 1975 Performances were held in the barn attached to the groups farmhouse in Oeldorf near Kürten Kurtz 1992 200 In 1972 with Helmut Lachenmann he coordinated the Composition Studio at the International Vacation Course for New Music in Darmstadt He remained Technical Director of the Feedback Studio until 1975 when he moved to Basel to become Director of the Electronic Studio of the Musikakademie there a post he held until 1985 He now lives in Switzerland Description above from the Wikipedia article David C Johnson licensed under CCBYSA full list of contributors on Wikipedia