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The Baltimore Sun, 'Majors & Minors'

As one-fourth of the Black Eyed Peas,, left, and his crew have held a stronghold on pop music for the better part of the decade. Though the Peas continue to be unrivaled players on the chart, has branched out to produce hits for other artists including Britney Spears, U2, Estelle, Rihanna, Usher, Justin Timberlake and Nicki Minaj. How you know him: We have faith you can hum a line from a recent BEP track, but is also the man behind Usher's dance hit "OMG," Estelle's breakout "American Boy" and, of course, your favorite BEP hit.Ethan Miller / Getty Images