If you've been paying attention, and I know you have, you're aware of some of the excellent live Latin and World offerings coming our way in the month of April. We tipped you guys off to former Yerba Buena vocalist gone solo songstress CuCu Diamantes bringing her lavish blend of Golden Era Cabaret with modern urbanism on April 25th. We dropped the dime early on Mexican alternative-NuJazz shapeshifter Ximena SariƱana kicking off her U.S. tour here on April 18th. Now the big