Data
- Weihnachtskonzerte
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- argovia philharmonic
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Maya Classics
- SJSO