Wagner: Der Ring Des Nibelungen (New York -- January 27 and February 3, 10, and 17, 1951; Kirsten Flagstad, Astrid Varnay, Helen Traubel, Regina Resnik, Jarmila Novotna, Erna Berger, Karin Branzell, Blanche Thebom, Margaret Harshaw, Set Svanholm, Gunther Treptow, Leslie Chabay, Peter Klein, Hans Hotter, Ferdinand Frantz, Gerhard Pechner, Herbert Janssen, Lawrence Davidson, Luben Vichey, Deszo Ernster, Osie Hawkins, Brian Sullivan, Jerome Hines, Lucine Amara, Herta Glaz, Jean Madeira; Fritz Stiedry)