Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Ensemble Corund
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Konzertbüro Augsburg GmbH
- World Band Festival Luzern