Leonore: Act III. No. 18 Finale "Zur Rache" (Chorus, Leonore, Florestan, Rocco, Don Fernando) by Eberhard Büchner , Richard Cassilly , Helen Donath , MDR Rundfunkchor Leipzig , Edda Moser , Hermann Christian Polster , Karl Ridderbusch , Staatskapelle Dresden , Herbert Blomstedt