Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Jazz Club Luzern
- City Light Concerts
- Festival Strings Lucerne
- GMkonzerte
- Pro Senectute Kanton Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Konzertbüro Augsburg GmbH
- World Band Festival Luzern