Question: Who produced a Mary j. Blige song and for a time was known as MC EZ
Sentence (from "You Don't Have to Worry (Mary J. Blige song)"): The song contains an uncredited portion of the 1988 hip-hop cut, "The Vapors" as performed by American beat-boxer/rapper Biz Markie, which in turn samples the 1974 number-one R&B hit, "Papa Don't Take No Mess", as performed by James Brown.
Relevant evidence: No