Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- City Light Concerts
- Festival Strings Lucerne
- Stadtorchester Luzern
- Pro Senectute Kanton Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Furler Productions
- ArteCultura
- AllBlues Konzert AG Winterthur