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