Miami-based Cuban-American rapper Pitbull performs at Ibiza tonight, touring in support of his chart-climbing, video-fave single “I Know You Want Me (Calle Ocho).”  Mr. 305’s parents may have made him memorize the works of Cuban poet José Martí, and he may have a few socio-political songs on albums such as “El Muriel” and “The Boatlift,” [...]