Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- GC Events Sagl
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Furler Productions
- City Light Concerts
December
2024