Pop star hops in the studio with Def Jam co-founder to add "urban" sound to new album.
Iconic LP's from the label Russell Simmons and Rick Rubin launched.
Artists like Public Enemy, the Beastie Boys and Run DMC were inspired with their fashion choices.
A look at the music stars who made the label iconic.
Celebrating Def Jam 30 with a look at Uncle Rush's career.
The co-founder of Def Jam is still a go-to guy in music.