- Philippe Racine, Brigitte Meyer, Zurich Collegium Novum, Martina Bovet, Ruben Drole, Jens Fuhr, Beat Schneider, Edicson Ruiz, Zurich Vocal Ensemble, Barbara Bolliger, Felix Renggli, Peter Hirsch, Michael Kleiser, Ernesto Molinari, Jürg Henneberger, Raphael Oleg, Xasax, Ensemble Phoenix Basel, Peter Siegwart, Eric Ferrand-N'Kaoua, Sabine Bartschi
