- Maria Jonas, Mädchenchor am Kölner Dom, Ensemble Musikfabrik, Nacho de Paz, Oliver Sperling, Ars Choralis Coeln, Nicholas Isherwood
- Manuel Zurria, Enzo Filippetti, James Dashow, Nicholas Isherwood
- Orchestra del Teatro Comunale di Bologna, Paolo Antognetti, Maurizio Leoni, Alda Caiello, Nicholas Isherwood, Marco Angius, Laura Catrani
