Data
- Talks, Referate
- KKL Luzern Management AG
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- City Light Concerts
- Pro Senectute Kanton Luzern
- swiss classics gmbh / Lucerne Chamber Circle
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Euroconcerts Suisse Sarl
- Rima Entertainment AG
- Furler Productions