Following the acoustic rumba that kicks off this Cuban-American rapper's sizzling Spanish-language debut, a thoroughly relaxed Pitbull blends dance-floor pop, electro, and Latin rhythms over a booty-bumping beat. He works his fusion magic on the Beastie Boys ("Mujeres"), Cuban folk ("Guantanamera"), and a good-times Lil Jon partnership (“Watagatapitusberry").