with Nicolai Gedda, Victoria de los Angeles; cond. Cluytens
with Maria Callas, Eugenio Fernandi, Nicola Zaccaria; cond. Serafin
with Kirsten Flagstad; cond. Jones
with Edwin Fischer (piano)
with Geoffrey Parsons (piano)
with Rita Streich, Irmgard Seefried; cond. Karajan
with Eberhard Wächter, Dietrich Fischer-Dieskau; cond. Sawallisch
cond. Ackermann & Matacic
with George Szell (piano)
with Glenn Gould (piano)
with Teresa Stich-Randall, Christa Ludwig; cond. Karajan
with Lisa Della Casa, Sena Jurinac; cond. Karajan
with Nicolai Gedda, Rita Streich; cond. Karajan
with Nicolai Gedda, Erich Kunz; cond. Ackermann
with Nicolai Gedda, Erich Kunz; cond. Ackermann
with Nicolai Gedda, Erich Kunz; cond. Ackermann