Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- Lucerne Festival
- GC Events Sagl
- Good News Productions AG Glattpark
- Lorenz Hauser Management
- Konzertbüro Augsburg GmbH
- Festival Strings Lucerne - Daniel Dodds