Data
- Jazz, Blues, Gospel
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Ensemble Corund
- Lucerne Festival
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Jazz Club Luzern und AllBlues Konzert AG Winterthur