Data
- Obrasso Classic Events GmbH
- Radio Pilatus AG
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- 21st Century Orchestra
- GC Events Sagl
- CLAMUS Lucerne
- Agentur Springbock GmbH
- Good News Productions AG Glattpark
- Furler Productions
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- 21st Century Orchestra