Do You Mind DJ Khaled feat. Nicki Minaj, Chris Brown Download 'Do You Mind' on iTunes
This image appears in the gallery:
10 Artists Who Got Knocked Back Before They Made It Big
When he was just 17-years-old J Cole stood outside of Jay Z's Roc The Mic Studio for three hours because he wanted to give him a beat, but when Jay Z left the building he didn't look twice at the now star. But J Cole didn't go home with his head in his hands, he picked himself up and tried again and eventually, Jay Z became the rapper's mentor and friend.