Waltraud Meier, Ruth Floeren, Eva Johansson, Graham Clark, Bodo Brinkmann, Uta Priew, Siegfried Jerusalem, Günter von Kannen, Jane Turner, Shirley Close, Linda Finnie, Anne Evans, Bayreuth Festival Choir, Daniel Barenboim, Hilde Leidland, Annette Kuttenbaum, Birgitta Svendén, Eva-Maria Bundschuh, Nadine Secunde, Philip Kang, Bayreuth Festival Orchestra, Matthias Hölle, Sir John Tomlinson, Hitomi Katagiri, Poul Elming, Hebe Dijkstra
