Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- MyNina Spettacoli sagl
- Konzertbüro Augsburg GmbH
- Festival Strings Lucerne - Daniel Dodds