Ever wonder about the beginning of DEF JAM RECORDINGS?? Where artists like the Beastie Boys, RUN D.M.C. and LL Cool J came from?? Check out this awesome piece from ROLLING STONE’s youtube channel…all about the early days of DEF JAM! Rick Rubin returns to his NYU dorm room to talk about how it all began with Russell Simmons! DEF-JAM-SIMMONS-RUBIN