Last night at the 2012 Coachella Fest, Dr. Dre had many surprises up his sleeve as he brought out Kendrick Lamar to perform their collabo “The Recipe,” and after that Dre brought out Eminem as he ran through “I Need A Doctor,” “Forgot About Dre” and “Til I Collapse,” and then 50 Cent as Fif performed “What Up Gangsta,” “In The Club,” and “P.I.M.P. alongside Snoop Dogg.