Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- EJV Abteilung Jodelgesang
- Verein Luzerner Orgelfreunde
- Act Entertainment AG Basel