Marcel Ruew is a producer and Dj In 2013 he was co-founder of the label " Kellerbeats records . In the following years he could prove his artistic talent with his straight Hardtechno sound in various clubs in the republic such as the Butan ( Wuppertal ) or the MTW in Offenbach . As a producer, Marcel Ruew stands for hard, experimental techno , which can also be found in his DJ set ́s . After first own productions on the label "Kellerbeats" followed the founding of his own label called Refur Records