Data
- Obrasso Classic Events GmbH
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Festival Strings Lucerne - Daniel Dodds