Data
- Silvester- und Neujahrskonzerte
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Obrasso Concerts