Data
- KKL Luzern Management AG
- DaCapo Musikmarketing GmbH
- City Light Concerts
- Vokalensemble Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Euroconcerts Suisse Sarl
- Maya Classics
- Rima Entertainment AG
- ENCORE! Entertainment AG
- ENCORE - Entertainment AG