On June 9, 2009, Mos Def released The Ecstatic, his 4th album. Slick Rick is a guest on the song Auditorium which is co-produced by Mablib. Le 9 juin 2009, Mos Def sortait The Ecstatic, son 4e album. Slick Rick est invité sur la chanson Auditorium qui est co-réalisée par Mablib.