Koen Herfst (1983, The Netherlands) is a versatile drummer, playing rock, metal, pop, hiphop and dance. He is known for his work with one of the biggest DJ’s in the world; ARMIN VAN BUUREN and metal bands I CHAOS & DEW-SCENTED amongst many other bands and projects. Playing on a professional level since he was 17, he has now played in more than 35 countries for audiences of 18 to 180.000. ... more