Data
- Jazz, Blues, Gospel
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Feldmusik Luzern
- argovia philharmonic
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- CONCORDIA
- ANDO Music Productions GmbH
- Concert Hall