As we reported yesterday, J. Cole’s debut album debuted at number one. Today in a Billboard press release Jay-Z spoke on J. Cole’s success and Cole World: The Sideline Story’s quality. Check out what Hov had to say below about Jermaine’s project. Also, Congrats again, Cole!

“J. Cole’s success is testament to amazing artist development and Cole’s hard work,” Jay-Z said, via press release. “I want to congratulate him on a #1 album and more importantly a great body of work.”

Heads up: Rap Radar