Data
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- Festival Strings Lucerne
- Brassband Bürgermusik Luzern
- Konzertchor Klangwerk Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Maya Classics
- Festival Strings Lucerne - Daniel Dodds