Undine: Vater, Mutter, Schwester, Bruder, Act II: Entracte — Monika Krause, Andreas Schmidt, Klaus Häger, Günter Wewel, Josef Protschka, Christine Hampe, Heinz Kruse, Cologne West German Radio Chorus, Cologne West German Radio Orchestra, Kurt Peter Eichhorn, Dirk Schortemeier, Ingeborg Most & John Janssen