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"Just Begun" is a song by American hip hop duo Reflection Eternal, composed of New York rapper Talib Kweli and Ohio producer Hi-Tek. The song was released on February 2, 2010, as the second single from their second studio album Revolutions per Minute (2010). The song is a posse cut featuring verses from rappers Jay Electronica, J. Cole and Mos Def, the latter of whom also forms a duo with Talib Kweli, known collectively as Black Star.