Data
- Act Entertainment AG Basel
- City Light Concerts
- Radio Pilatus AG *
- Lucerne Festival
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Accademia Barocca Lucernensis
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Lucerne Chamber Circle
- Jazz Classics