Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Radio Pilatus AG *
- GMkonzerte
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Maya Classics
- CONCORDIA
- ANDO Music Productions GmbH
- Festival Strings Lucerne - Daniel Dodds