53. “Out of My Head,” Lupe Fiasco Feat. Trey Songz
Undoubtedly one of Lupe's most commercial songs—and possibly one of the reasons he clashed so openly with his label, Warner Music Group. But we have feeling he isn't nearly as mad at his bosses in hindsight. Not only did Trey Songz knock it out the park over the high-flying synth-heavy beat, but Lupe's album, Lasers, debuted at No. 1.