Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Stadtorchester Luzern
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- SJSO
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Pro Senectute Kanton Luzern