Dijon McFarlane, better known as DJ Mustard, has produced several hits including Tyga's "Rack City", which peaked at #7 on the Billboard Hot 100. (I am not affiliated with DJ Mustard in any way.) MUSTARD ON THE BEAT HOE!
https://twitter.com/DJmustard
https://www.facebook.com/pages/DJ-Mustard
http://www.youtube.com/user/DJMUSTARD2
http://musiccentro.com/tour/producer/?producer_id=1664
http://www.tumblr.com/tagged/dj-mustard
http://myspace.com/djmustard2
