Wolfgang Düren became more widely known to people as the chairman of Waldorf Music. Before founding Waldorf Music he partnered with Wolfgang Palm, the man behind PPG, and distributed his synths in the late seventies till the fall of PPG in the mid eighties. Later Wolfgang distributed the synths of Waldorf, Access and Novation with his company TSI.
While he was distributing or later in charge of building synths, he was also a musician. In the late seventies he recorded the LP "Eyeless Dream". This record featured many sounds of the early PPG wavetable synths that had just become available to some musicians searching for a new kind of sound beyond the conventional synth sounds using filters and modulations as main building blocks to shape their sound. These very new sounds in electronic music made this LP an insiders favourite over the years.