sentences:  In 1968 he attended Stockhausen’s composition studio in Darmstadt and participated in the composition of Stockhausen’s "Musik für ein Haus", contributing a quintet for flute, oboe, bass clarinet, bassoon, and cello titled "Atoom" (; ).However, his principal influences are Mauricio Kagel and John Cage.He also studied musicology at the Catholic University of Leuven, graduating in 1972 with a dissertation on Cage's Variations .