In 1993, he became the founding music editor of VIBE magazine, later becoming editor in chief. In 1999 he became editor in chief for Spin. He left Spin in March 2002.
Light then got a spot as music reviewer on radio station WFUV, and serves as music correspondent on NPR show Weekend America. He has worked as consultant for the Rock & Roll Hall of Fame. He is also heavily involved in assisting homeless people with the Housing Works AIDS charity.