Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- CLAMUS Lucerne
- Alegria Konzert GmbH
- Maya Classics
- GMkonzerte / Odessa Classics
- GMkonzerte / Odessa Classics