Sound · b. 1850 · Graz, Austrian Empire [now Graz, Styria, Austria] Richard Heuberger Other Credits Ples v opeře Music 1983 Der Opernball Original Music Composer 1978 Der Opernball Music 1971 Ples v opeře Music 1959 Opernball Music 1956 Opera Ball Music 1939 Opera Ball Music 1931 Agent-readable