- Artashes Stamboltsyan, Sarah Stamboltsyan, Andrea Chudak, Maria-Anja Hübenthal, Calliope Duo
- Robert Davidson, Noah Schaul, Martina Bortolotti von Haderburg, Sofia Philharmonic Orchestra, Dario Salvi, Daniel Schliewa
- Kirsten C. Kunkle, Robert Davidson, Dario Salvi, Sofia Philharmonic Orchestra, Martina Bortolotti
