Poly

The Island Def Jam Music Group (also simply known as Island Def Jam or by its acronym IDJMG) was an American record label group formed on December 31, 1998, by Universal Music Group. Prior to 2014, Island Def Jam included labels originally established under the umbrellas of Island Records and Def Jam Recordings. On April 1, 2014, Universal Music Group publicly announced the dissolution of the Def Jam Group, leaving IDJMG and its affiliated subsidiaries as separate sister labels.