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