Esperanza Spalding Live On David LettermanRising jazz star and vocalist, Esperanza Spalding played before a national audience tonight on the late night talk show, Late Night With David Letterman. This is the first nationally televised performance for the up and coming jazz star …Bee Real - http://briangach.bloggerunleashed.comEsperanza Spalding - EsperanzaBassist, vocalist, and composer Esperanza Spalding's [...]