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