Data
- domino Event SARL St. Gallen www.dominoevent.ch
- Piano-Festival LUCERNE FESTIVAL
- Festival Strings Lucerne - Daniel Dodds
- argovia philharmonic
- Musikschule Stadt Luzern
- Eidgenössischer Jodlerverband EJV
- domino Event SARL
- Accademia Barocca Lucernensis
- Klavier-Fest | LUCERNE FESTIVAL
- ENCORE - Entertainment AG