Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Chor der Nationen Luzern
- Reisefibel Leipzig
- domino Event SARL St. Gallen www.dominoevent.ch
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Furler Productions
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Act Entertainment AG Basel