Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Konzertchor Luzern
- GC Events Sagl
- Migros-Kulturprozent-Classics
- CLAMUS Lucerne
- WMC Media GmbH
- Rima Entertainment AG
- Furler Productions
- Festival Strings Lucerne - Daniel Dodds