Otmar Mácha
- Věra Hrdinková, Dětský pěvecký sbor Českého rozhlasu, Egli Prifti, Veronika Ptackova
- Sarah Hänggi, Interkantonale Chöre, Grégoire May, Chasper-Curò Mani, Patrick Secchiari, Interkantonaler Frauenchor, Lisa May-Appenzeller
- Barbara Ingram School for the Arts Concert Choir, Barbara Ingram School for the Arts Cantala Women's Choir, Barbara Ingram School for the Arts Northern Middle School Women's Ensemble