Martina Dike, Linda Watson, Bayreuth Festival Chorus, Stephen Gould, Bayreuther Festspielorchester, Hans-Peter Konig, Edith Haller, Christian Thielemann, Christa Mayer, Ralf Lukas, Andrew Shore, Fionnuala McCarthy, Ulrike Helzel & Simone Schröder
Willem Mengelberg, Karl Erb, Jongenskoor "Zanglust", Amsterdam Toonkunst Choir, Willem Ravelli, Royal Concertgebouw Orchestra, Jo Vincent, Ilona Durigo, Louis van Tulder & Herman Schey