Fidelio, Op. 72, Act II: Duett. O namenlose Freude! (Leonore, Florestan)
Beethoven: Fidelio, Op. 72 Herbert von Karajan, Berlin Philharmonic, Helga Dernesch, Jon Vickers January 1, 1971
Beethoven: Fidelio, Op. 72 Herbert von Karajan, Berlin Philharmonic, Helga Dernesch, Jon Vickers January 1, 1971