Data
- AllBlues Konzert AG, Winterthur
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Feldmusik Luzern
- Vokalensemble Luzern
- Radio Pilatus AG *
- Lucerne Festival
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Alegria Konzert GmbH
- Maya Classics
- Summer Festival | LUCERNE FESTIVAL