Missa solemnis for 4 Solo Voices, Chorus, Orchestra, and Organ in D major, op. 123: Credo: IIIa. Credo in unam Deum - Nicolai Gedda, Christa Ludwig, Elisabeth Schwarzkopf, Singverein der Gesellschaft der Musikfreunde, Nicola Zaccaria, Philharmonia Orchestra, Herbert von Karajan