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