Data
- Jazz, Blues, Gospel
- Opera, Operetta
- Classical music
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Maya Classics
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Jazz Classics