Data
- Folk music
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Radio Pilatus AG *
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- CLAMUS Lucerne
- Alegria Konzert GmbH
- EJV Abteilung Jodelgesang
- Gadget abc Entertainment Group