Data
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- City Light Concerts
- Festival Strings Lucerne
- Lucerne Festival
- Stargarage AG
- argovia philharmonic
- 21st Century Orchestra
- GC Events Sagl
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- AllBlues Konzert AG Winterthur