Data
- others
- Silvester- und Neujahrskonzerte
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GC Events Sagl
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Accademia Barocca Lucernensis
- eco2friendly, c/o Otto Fischer AG
- Obrasso Concerts