Eminem is the best-selling artist of the 2000s in the United States and has had 10 number-one albums on the Billboard 200 and five number-one singles on the Billboard Hot 100. Together he joins up with Hip-Hop legend Dr. Dre for some ‘Unfinished Business’. There’s not really a producer in Hip-Hop who can match the accolades of Dr. Dre who has produced albums for and overseen the careers of many rappers, including 2Pac, The D.O.C., Snoop Dogg, Eminem, Xzibit, Knoc-turn'al, 50 Cent, The Game, and Kendrick Lamar. As of 2017, he is the third richest figure in hip hop according to Forbes with a net worth of $740 million. This release sees unreleased material from Em & Dre as well as features from 2Pac, Jay-Z, 50 Cent, Snoop Dogg, Game, Missy Elliot, Xzibit, Stat Quo, Pusha T from The Clipse, Royce Da 5'9 from Slaughterhouse, Cashis from G Unit, Kardinal Offishall, DJ Quik D'Angelo and Bishop Lamont.