Data
- AllBlues Konzert AG, Winterthur
- City Light Concerts
- Festival Strings Lucerne
- Lucerne Festival
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Bliss Music LLC
- Summer Festival | LUCERNE FESTIVAL