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