Rappers, beat-maker join forces for new EP

You want gritty rap? Call your song "Sewer Gravy," one of the most revolting images ever slapped onto a single. It actually fits Roc Marciano's style to a tee. Here he joins forces with Gangrene (Alchemist and Oh No) for an unrelenting, gritty song from the trio's new Greneberg EP.

Roc Marciano + Gangrene, "Sewer Gravy"