Data
- Radio Pilatus AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Feldmusik Luzern
- Ensemble Corund
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Konzertbüro Augsburg GmbH
- Act Entertainment AG Basel
- Pro Senectute Kanton Luzern