Mobb Deep's clutch producer The Alchemist completes a hat trick of appearances on the Queensbridge duo’s Black Cocaine EP with "Water Boarding," which surfaced on the physical (CD/vinyl) version of the EP. A-L-C’s signature grimy beats takes a darker, spookier turn on this one, and leaves you wondering why the five-track online version of Black Cocaine, decided to pass up on the cut.