Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Culture Communication GmbH
- ENCORE! Entertainment AG
- Festival Strings Lucerne - Daniel Dodds