Complex sentence: He has written several pieces for choreographers, including "Biped" (2001) for Merce Cunningham.From 1981-1984 he participated in "the CIVIL warS", a vast, never-completed multimedia project by Robert Wilson.
Split into simpler sentences: He has written several pieces for choreographers, including "Biped" (2001) for Merce Cunningham. Between 1981-1984 he participated in "the CIVIL warS", a vast, never-completed multimedia project by Robert Wilson.