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