Kieth Engen (bass)
Ernst Hafliger - Tenor, Kieth Engen - Bass, Irmgard Seefried - Sopran, Antonia Fahberg - Sopran, Herta Toepper - Alt (Contralto), Dietrich Fischer-Dieskau - Bass, Max Proebstl - Bass. Recorded: June-August 1958, Munich.
Hertha Tupper - contralto, Ernst Haefliger - tenor. Recorded: February & April 1961, Munich.
Recorded live with Karl Richter, under the pseudonym of Dr. Kurt Bauer. Ursula Bucket - soprano, John van Kesteren - tenor. Munster du Heilbronn, 1961.
Tenor - Ernst Haefliger. Recorded: July/August 1959, Ansbach.
Soprano - Ursula Buckel. Horst Schneider, Edgar Schann - oboe d`amore I/II. Recorded: July/ August 1959, Ansbach.
Chloë Owen - soprano, Gert Lutze - tenor. Members of Munich State Opera Orchestra. September 3-4, 1956, Munich.
Organ - Hedwig Bilgram. April 1958, Munich.
Herbert Schachtschneider - Waldemar, Inge Borkh - Tove, Hertha Toepper - Ramier, Keith Engen - Paysan, Lorenz Fehenberger - Klaus-Narr, Hans Herbert Fiedler - sprecher. Recorded: March 9-12, 1965, Munich.
Soprano - Ursula Buckel, tenor - John van Kesteren. Recorded: July 1961, Münster zu Heilsbronn, Bavaria, Germany.
A.Kupper - soprano I, E.Fellner-Köberle - soprano II, H.Töpper - contralto, L.Fehenberger - tenor, K. Engen - bass I, M.Pröbstl - bass II. Recorded: April 9, 1959, Munich.
Recorded: July 6, 1983, Munich. Rienzi - René Kollo, Irene - Cheryl Studer, Steffano Colonna - Jan-Hendrik Rootering, Adriano Colonna - John Janssen, Peace Herald - Carmen Anhorn, Paolo Orsini - Bodo Brinkmann, Raimondo - Karl Helm, Baroncelli - Norbert Orth, Cecco del Vecchio - Keith Engen.
Contralto - Antonia Fahberg. Members of the Orchestra of Münchner Staatsoper (actually Bayerisches Staatsorchester). April 1958, Munich.
Recorded: February 1964, Munich.
Contralto - Lilian Benningsen. Members of the Orchestra of Münchner Staatsoper (actually Bayerisches Staatsorchester). April 1958, Munich.
Contralto - Lilian Benningsen. Members of the Orchestra of Münchner Staatsoper (actually Bayerisches Staatsorchester). Recorded: April 1958, Munich.
Contralto - Beatrice Krebs, tenor - Gert Lutze. Recorded: August 17-19, 1957, Munich.
Soprano - Antonia Fahberg, contralto - Beatrice Krebs. Recorded: August 17-19, 1957, Munich.
Soprano - Chloë Owen, tenor - Gert Lutze. Members of Munich State Opera Orchestra. Recorded: September 3-4, 1956, Munich.
Recorded: October 19, 1957, Munich.
Soprano - Lotte Schädle, contralto - Hertha Töpper, tenor - Helmut Kretschmar. Recorded: October 19, 1957, Munich.
Soprano - Ursula Buckel. Recorded: April 27, 1969, Tokyo (live).
Soprano - Ursula Buckel. Recorded: April 27, 1969, Tokyo (live).
Mass in C-dur, K 317 `Ñoronation`: Agnus Dei - Dona nobis. Eric Tappy - tenor. 1962, Mozart Festival Würzburg.
Franz Mazura - Tamerlano; Donald Grobe - Bajazet; Helen Donath - Asteria; Kieth Engen - Andronico; Raili Kostia - Irene; Kari Nurmela - Leone. 1966.