Data
- others
- Talks, Referate
- Classical music
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Pro Senectute Kanton Luzern
- Reisefibel Leipzig
- Stargarage AG
- swiss classics gmbh / Lucerne Chamber Circle
- Alegria Konzert GmbH
- Collegium Vocale zu Franziskanern Luzern
- GMkonzerte / Odessa Classics
- Alegria Konzert GmbH
- Concert Hall