Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Vokalensemble Luzern
- Lucerne Festival
- Feldmusik Hochdorf
- concerts PAMPLONA concert management UG (haftungsbeschränkt)
- CONCORDIA
- GMkonzerte / Odessa Classics
- Festival Strings Lucerne - Daniel Dodds
- Concert Hall
- Auditorium