Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Konzertchor Klangwerk Luzern
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Maya Classics
- Furler Productions
- Neo Kultur GmbH
- ENCORE! Entertainment AG
- Furler Productions
December
2024
January
2025
February
2025