Strauss, J: Die Fledermaus (2025 Remaster)Strauss, J: Die Fledermaus (2025 Remaster)
Hilde Gueden, Johann Strauss II, Waldemar Kmentt, Eberhard Wächter, Walter Berry, Giuseppe Zampieri, Erika Köth, Peter Klein, Erich Kunz, Regina Resnik, Wiener Philharmoniker, Herbert von Karajan
Der Ring des Nibelungen - Metropolitan Opera 1951 Fritz StiedryDer Ring des Nibelungen - Metropolitan Opera 1951 Fritz Stiedry
Richard Wagner, soprano), Herta Glaz, Thelma Votipka, Jeanne Palmer Irene Jessner (soprano), Martha Lipton, Lucielle Browning, Helen Traubel, Peter Klein, Gerhard Pechner, Herbert Janssen, Chorus and Orchestra of the Metropolitan Opera House, Fritz Stiedry, Metropolitan Opera Orchestra
Liebermann: Penelope (Live)Liebermann: Penelope (Live)
Rolf Liebermann, Wiener Philharmoniker, George Szell, Anneliese Rothenberger, Peter Klein, Carl Donch, Walter Berry, Christel Goltz, Vienna State Opera Chorus
Wagner: Siegfried (Recorded Live 1959)Wagner: Siegfried (Recorded Live 1959)
Richard Wagner, Astrid Varnay, Wolfgang Windgassen, Hans Hotter, Peter Klein, Otakar Kraus, Marga Höffgen, Orchestra of the Royal Opera House, Covent Garden, Franz Konwitschny
Beethoven: Fidelio (Live Recording 1951)Beethoven: Fidelio (Live Recording 1951)
Ludwig van Beethoven, Metropolitan Opera Orchestra, Metropolitan Opera Chorus, Bruno Walter, George Cehanovsky, Nadine Conner, Dezső Ernster, Kirsten Flagstad, Jerome Hines, Peter Klein, Paul Schöffler, Brian Sullivan, Set Svanholm
