Music producer & remixer of electro, house and techno. Harald Walker aka Sonic Walker has been actively involved in the electronic music scene for several decades. His contributions include DJing, VJing, and releases on several labels. Notably, he maintained one of the pioneering websites in Germany dedicated to Techno and Electro music from 1995 until 2003. Between 2005 and 2012, he managed the Sonic Walker netlabel.