1 G.O.O.D Friday Rolls On With Don’t Look Down Feat. Kanye X Mos Def X Lupe X Big Sean October 23, 2010 odeisel This week’s G.O.O.D Friday entrant is full of distortion, guitars and Mos Def crooning on the somber and loud “Don’t Look Down,” featuring Lupe Fiasco Mos and Big Sean