Complex sentence: In the late 1960s he worked regularly for Norddeutscher Rundfunk in Hamburg, West Germany, writing more than 20 compositions and participating in workshops, then from 1975 he led an orchestra for Polish radio and television.
Split into simpler sentences: In the late 1960s he worked regularly for Norddeutscher Rundfunk in Hamburg, writing more than 20 compositions and participating in workshops. From 1975 onward, he led an orchestra for Polish radio and television.