Data
- KKL Luzern Management AG
- Festival Strings Lucerne
- Lucerne Festival
- Reisefibel Leipzig
- Stargarage AG
- argovia philharmonic
- 21st Century Orchestra
- GC Events Sagl
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Summer Festival | LUCERNE FESTIVAL