Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Brassband Bürgermusik Luzern
- Feldmusik Luzern
- argovia philharmonic
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Alegria Konzert GmbH
- Rima Entertainment AG
- Furler Productions
- Lorenz Hauser Management
- ENCORE! Entertainment AG
- Act Entertainment AG Basel