Richard Wagner: Die Walküre
composed by Richard Wagner, 1813-1883; conducted by Hans Knappertsbusch, 1888-1965; performed by Astrid Varnay, Birgit Nilsson, Hans Hotter, Ramon Vinay and Josef Greindl, Orchester der Bayreuther Festspiele (Bayreuth Festival Orchestra) and Chor der Bayreuther Festspiele (Bayreuth Festival Chorus) (Urania / Qualiton Imports, Ltd., 2009), 3 hours 51 mins