Question: Die Soldaten and Nixon in China, are which type of performance?
Sentence (from "Bernd Alois Zimmermann"): Bernd Alois Zimmermann (20 March 1918, Bliesheim, Rhine Province – 10 August 1970, Königsdorf (Frechen); full name "Bernhard Alois Zimmermann") was a West German composer.
Relevant evidence: No