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