- Heidi Brunner, Yann Beuron, Arnold Schoenberg Choir, Hendrickje van Kerckhove, Craig Smith, Matjaz Robavs, Radio-Symphonieorchester Wien, Erik Arman, Jurgen Sacher, Sally Matthews, Nenad Marinkovic, Michelle Breedt, Christa Ratzenbock, Bertrand de Billy, Deborah Polaski, Dominik Koninger, Jean-Philippe Lafont, Magdalena Anna Hofmann
- RAI Symphony Orchestra Rome, Maria Trabucco, Roma della Rai Chorus, Gianluigi Gelmetti
