A 1977 performance from the Bayerische Staatsoper of Wager's DIE WALKURE features the Sieglinde of Hildegard Behrens (above); I saw Behrens in the role twice at The Met in 1983, and she was thrilling.
Listen here.
Conductor: Wolfgang Sawallisch
Siegmund - James King
Sieglinde - Hildegard Behrens
Hunding - Kurt Böhme
Brünhilde - Gwyneth Jones
Wotan - Theo Adam
Fricka - Brigitte Fassbaender
Gerhilde - Leonore Kirschstein
Ortlinde - Antonie Fahberg
Waltraute - Charlotte Berthold
Schwertleite - Ortrun Wenkel
Helmwige - Gertrud Freedmann
Siegrune - Helena Jungwirth
Grimgerde - Liliana Netschewa
Roßweiße - Gudrun Wewezow