Universal Music Publishing Group has signed producer/songwriter DJ Dirty Harry to a worldwide songwriter/co-publishing agreement. Harry co-produced and co-wrote Alicia Keys' "No One" that's racing up the Billboard charts.

Harry is part of the in-house production for Keys' production company, Krucial Keys, and from 2004 -2005 was the head of the company's A&R division. Harry also has production credits with such artists as Nas, Run-DMC and Method Man.

Harry's mix-tapes became so popular on the streets of New York that artists and celebrities began collaborating with him, including 50 Cent, Sean "Diddy" Combs, Nas, LL Cool J, Run DMC, Lauryn Hill and Busta Rhymes.

Harry was represented by attorney Ian Waldon in the deal.