RJD2 Ft. Blueprint
RJD2 (born Ramble John "RJ" Krohn on May 27, 1976) is an American music producer, singer and musician. RJD2 was born in Eugene, Oregon, and raised in Columbus, Ohio. He currently resides in Philadelphia, Pennsylvania. He was signed to the Definitive Jux label where he released two largely instrumental hip hop albums and has produced tracks for many prominent rappers.