Data
- Talks, Referate
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Maya Classics
- eco2friendly, c/o Otto Fischer AG
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Concert Hall