Data
- Jazz, Blues, Gospel
- Act Entertainment AG Basel
- Festival Strings Lucerne
- GMkonzerte
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Maya Classics
- Jazz Club Luzern und AllBlues Konzert AG Winterthur