Like their more common alias Technical Itch, the work of Darren Beale and Mark Caro as Decoder skirts the leading edge of progressive drum'n'bass, incorporating the moodier elements of jump-up and techstep with a nod toward drum-twisting junglists such as Dom & Roland and the Penny Black label. Although the duo have deepest roots in the late-'80s hardcore breakbeat scene, their material both apart and together has tended toward the darkside, combining dense, unsettling atmospherics with complex, bruising drum patterns and deep sub-bass groans. In addition to Decoder and Techni...