BiographyConcerts 5 results1 Concert 137 [Kagel, Kontarsky] Friday, April 16, 1982 Concert 111 [Kontarsky, Stockhausen] Wednesday, January 10, 1979 Concert 40 Thursday, February 17, 1972 Concert 35 [Groupe Stockhausen] Wednesday, March 3, 1971 Concert 34 [Groupe Stockhausen] Tuesday, March 2, 1971 1
