Lisa Della Casa (above) is Elsa, with Brian Sullivan as Lohengrin, Margaret Harshaw as Ortrud, Walter Cassel as Telramund, Otto Edelmann as King Henry, and Mario Sereni as the Herald; the conductor is Thomas Schippers in this 1959 Metropolitan Opera broadcast.
Listen here.
Mezzo-soprano Hilda Harris (above) sings Hector Berlioz' Les nuits d'été with the Netherlands Radio Philharmonic Orchestra under the direction of Fernand Terby, from a 1982 radio broadcast.
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The final scene of Francis Poulenc's Dialogues des Carmélites from a 2004 performance of the opera at La Scala, conducted by Riccardo Muti.
Watch and listen here.
Birgit Nilsson sings Rezia's great aria Ozean, du Ungeheuer! from Carl Maria von Weber's opera OBERON at a 1964 concert with the Swedish Radio Symphony.
Watch and listen here.