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