London-based electronic musician Si (Simon) Begg is one of techno's most chameleonic producers. A restless, often ruthless experimenter with little respect for boundaries, Begg's recorded work toys incessantly with the conventions of ambient, breaks, U.K. garage, and electro (among other styles), the results often deviating so sharply from classification that they're simply lost on the listener. Begg's penchant for bugged-out basslines and his sense of playfulness often get him tagged as "wonky techno," but his mastery of sound design has landed him high-profile work creating ...