- KD KomorniI Zbor Cantabile – Rogaška Slatina, Slovenia
- Mixed choir “Zemyna” – Jonava Kaunas, Lithuania
- Mixed choir “Zemyna” – Jonava Kaunas, Lithuania
- Radost – Moscow, Russia
- Radost – Moscow, Russia
- Neuer Kammerchor Berlin – Berlin, Germany
- Komorní Sbor Nyklband, z.s. – Frenštát Pod Radhoštěm, Repubblica Ceca
- Komorní Sbor Nyklband, z.s. – Frenštát Pod Radhoštěm, Repubblica Ceca