The composer of Die schwarze Maske was born in what year?
Die schwarze Maske: Die schwarze Maske ("The Black Mask") is an opera by composer Krzysztof Penderecki using a German libretto by the composer and Harry Kupfer which is based on a 1928 play by Gerhart Hauptmann. Krzysztof Penderecki: Krzysztof Eugeniusz Penderecki ( ; ] ; born 23 November 1933) is a Polish composer and conductor. "
1933