Michelle Breedt, Wilke Brummelstroete, Albert Dohmen, Eva-Maria Westbroek, Christian Thielemann, Anna Gabler, Annette Kuttenbaum, Kwangchul Youn, Martina Dike, Linda Watson, Bayreuth Festival Orchestra, Endrik Wottrich, Edith Haller, Simone Schröder, Manuela Bress & Sonja Muhleck
Markus Stenz, Heinz Zednik, Graham Clark, Katarina Karnéus, Heinz Kruse, Georg Kaiser, London Sinfonietta, Juanita Lascarro, Heinz Karl Gruber, Terry Edwards, Andrew Weale, London Sinfonietta Chorus, Paul Whelan, Helga Dernesch & Gidon Saks