Data
- Obrasso Classic Events GmbH
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Reisefibel Leipzig
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Agentur Springbock GmbH
- Feldmusik Hochdorf
- Maya Classics
- MyNina Spettacoli sagl
- World Band Festival Luzern
- Concert Hall
- Lucerne Hall