Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Lucerne Festival
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Furler Productions
- Lorenz Hauser Management
- Festival Strings Lucerne - Daniel Dodds