Data
- AllBlues Konzert AG, Winterthur
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Konzertchor Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Smallflower Events GmbH Elsau
- Alegria Konzert GmbH
- ENCORE! Entertainment AG
- Festival Strings Lucerne - Daniel Dodds