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