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