Data
- Radio Pilatus AG
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Radio Pilatus AG *
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Furler Productions
- Konzertbüro Augsburg GmbH
- 21st Century Orchestra