Four years on from their landmark Grassroots, visionary half-time heavyweights The Untouchables return with their third album, Lost Knowledge. The duo of Kate McGill and Ajit 'Nitrox' Steyns have carved out a space in modern D&B all their own, building on a legacy that reaches back to the late 00s to keep pushing into unexplored terrain with an assured and deadly line in rhythmic intrigue and atmospheric immersion.Lost Knowledge launches into action instantly with the high-pressure drum science and dubby splashes of 'Drunken Bells', capturing the loopy techno propulsion and rolling intensity that drives so much of the output on Samurai Music. Where The Untouchables excel is in finding variety and nuance in their relatively forbidding, pared down sound. The heads-down groove of 'Mafia Town' owes as much to dembow and dancehall as D&B, while 'Lost Knowledge' spirals out into psychoactive flurries of synth strafes and organic percussion slathered in tight-locked delay trails. There's