山雷
Zender's opera "Stephen Climax", with his own libretto based on James Joyce and Hugo Ball, was premiered on 15 June 1986 at the Oper Frankfurt, staged by Alfred Kirchner and conducted by Peter Hirsch. His third opera, "Chief Joseph", based on Chief Joseph, was premiered in June 2005 at the Staatsoper Unter den Linden, staged by and conducted by Johannes Kalitzke.