Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Zürcher Kammerorchester
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Festival Strings Lucerne - Daniel Dodds