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