Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Lucerne Festival
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Rima Entertainment