- Guy de Mey, Instrumentalists of the Schola Cantorum Basiliensis, René Jacobs, Kurt Widmer
- Barbara Martig-Tuller, South West German Radio Symphony Orchestra, Baden-Baden, Adalbert Kraus, Kurt Widmer, Mainz Bach Choir, Ria Bollen, Diethard Hellmann
- Helena Jungwirth, Verena Schweizer, Hans-Joachim Bartsch, Barbara Biermann, Mainz Bach Orchestra, Edith Wiens, Mainz Bach Choir, Diethard Hellmann, Friedreich Melzer, Kurt Widmer
Kurt Widmer
Biography
Swiss baritone vocalist and educator who was an internationally acclaimed concert performer.