7x Firmen zu „Rehearsal Room“
1
Khromov / Oetjen GbR Alexander Khromov & Jannes Oetjen
2
Engelstein GmbH
3
Thomann GmbH
4
Laughing Lizard Productions Brian Kapell e.K.
5
EK-Entertainment GbR Niklas Kortländer
6
Casa Nostra Music e.K. Massimo Messina
7