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