Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Ensemble Corund
- Radio Pilatus AG *
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Smallflower Events GmbH Elsau
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Act Entertainment AG Basel