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