South London rap duo 808INK don't adhere to trends in music, instead crafting their own brand of left-field rap and accompanying visuals. The project began when producer 808charmer -- a former live session drummer who has worked with the likes of M.I.A. and Tinie Tempah -- heard rapper Mumblez Black Ink performing on a video shoot. 808 was so impressed with Ink's odd flow and dark lyrics that he chased him down the street to ask about a collaboration; they rounded out the crew with visual artist and director Pure Anubi$. Their debut mixtape, 2013's Artistic Piece, demonstrated...