Data
- Obrasso Classic Events GmbH
- Radio Pilatus AG
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Pro Senectute Kanton Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Luzern Live
- GMkonzerte / Odessa Classics
- Act Entertainment AG Basel