Black Star (Talib Kweli & Mos Def) "Astronomy" & Brand New Track LIVE on The Colbert Report

Looks like Black Star (Talib Kweli & Mos Def Yasiin) are planning to drop a new project on us after 13 years since their debut album.  They recently performed on The Colbert Report and gave an exclusive performance of their classic track "Astronomy" as well as their brand new track "Fix Up," which you can watch after the jump!