Details on the much-hyped collaboration between Colombian pop star Shakira and Puerto Rican alt-reggaetoneros Calle 13 are slowly trickling out. Univision.com now reports that the track is called "Libertad" and boasts socially conscious. . . READ FULL STORY

This is one collabo we're dying to hear more about. Colombian pop queen Shakira recently hit the studio with alt-raperos Calle 13 for a very fruitful recording session in the Bahamas. How do we know? One of the producers in the studio session,. . . READ FULL STORY