Data
- KKL Luzern Management AG
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GMkonzerte
- Pro Senectute Kanton Luzern
- LU Couture
- domino Event SARL St. Gallen www.dominoevent.ch
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Feldmusik Hochdorf
- Maya Classics
- domino Event SARL
- Concert Hall
- Lucerne Hall