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