MAJOR KEY (EXPLICIT)Once the I Changed a Lot campaign subsided, Khaled Khaled signed with major label Epic. The move reunited the DJ with L. A. Reid, who previously hired him at Def Jam to serve as president of that label's southern division. This was back in 2009. Since then, Khaled's Def Jam stint has become a footnote and his discography has doubled in size. The man's streak of albums that have reached the Top Three of Billboard's rap chart has remained unbroken. Each