Mos Def was live at The Roots Jam last night alongside Skillz & The Roots, and they put on a show for the crowd. They covered classics from EPMD, Gangstarr & Run DMC. You can read more about the accounts of the evening at OGHH. Speaking of The Roots, ?uestlove also reports that their album How I Got Over has been pushed back until October. He promises it will be worth the wait.