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