In 1968 and 1970 he took part in the Internationale Ferienkurse für Neue Musik in Darmstadt, in Karlheinz Stockhausen's composition studios, and later in György Ligeti's composition seminar.
In 1968 and 1970, he participated in the International Summer Courses for New Music in Darmstadt, under Karlheinz Stockhausen's composition studios, and later in György Ligeti's seminar on music composition.