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