Data
- Talks, Referate
- Opera, Operetta
- Classical music
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- City Light Concerts
- Festival Strings Lucerne
- Lucerne Festival
- Reisefibel Leipzig
- Alegria Konzert GmbH
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- eco2friendly, c/o Otto Fischer AG
- City Light Concerts