Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- Migros-Kulturprozent-Classics
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- concerts PAMPLONA concert management UG (haftungsbeschränkt)
- Festival Strings Lucerne - Daniel Dodds
- Concert Hall