A welcome home concert for Slick Rick that was supposed to take place January 9 has been rescheduled.The original show was set to take place at Brooklyn, New York’s Southpaw Club but was postponed for unknown reasons.The rescheduled show will now happen at the Knitting Factory in Manhattan and will take place January 23.Slick Rick will also open for Chris Rock’s upcoming dates at Madison Square Garden, which kick off January 28.Today (January 14), Slick Rick turned 39.