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