RAP superstar Snoop Dogg is joining the legendary hip hop label Def Jam Recordings as executive creative and strategic consultant, the U.S. company has announced. Def Jam, owned by Universal Music, has been home to some of hip-hop's most pioneering artists, from Public Enemy to LL Cool J and the Beastie Boys. Its current roster includes Justin Bieber, Rihanna and Kanye West. Calvin Cordozar Broadus Jr, professionally known as Snoop Dogg, will be based in Los Angeles and report to Universal Music Group Chairman and Chief Executive Sir Lucian Grainge and Def Jam interim Chairman and CEO Jeffrey Harleston. As…