This double A-Side edition sees Bleep pairing up another two Berlin residents. First up is Berghain royalty, Marcel Dettmann, who submits 'Ride' - a bounce heavy lesson in flawless techno. On the flip-side is Stroboscopic Artefacts' Lucy whose contribution to the Green Series is 7+ minutes of pummelling rhythms and ever-building layers of tension and noise. 'Slaves' March' is the name of the track and it is easy to see why…