Data
- AllBlues Konzert AG, Winterthur
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- MyNina Spettacoli sagl
- GMkonzerte / Odessa Classics
- Festival Strings Lucerne - Daniel Dodds