operatic bass
Ludwig van Beethoven, Wilhelm Furtwängler, Erna Schlüter, Lisa della Casa, Julius Patzak, Rudolf Schock, Ferdinand Frantz, Herbert Alsen
Richard Strauss, Maria Reining, Anton Dermota, Karl Friedrich, Herbert Alsen, Karl Böhm
Wolfgang Amadeus Mozart, Rudolf Moralt, Emmy Loose, Anton Dermota, Elisabeth Schwarzkopf, Emmy Loose, Herbert Alsen, Peter Klein
