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