Input (grade 13): Although not entirely completed, the Court Opera (Hofoper) was inaugurated with a performance of Carl Heinrich Graun's Cesare e Cleopatra on December 7, 1742.
Output (grade 11): In 1934, when symphonic pieces from Alban Bergs Lulu were performed by Kleiber, the Nazis created a scandal and Kleiber had to go into exile.