This article presents some reflections on the construction of identity representations of "nordestinidade" in Brazil from disseminated by Luiz Gonzaga music production since the 1940s, relating them to the concepts of objectivity, William Stephenson , and dialogism and polyphony of Mikhail Bakhtin. The categorical content analysis of letters ten songs of the King of "Baião" co-authored with Humberto Teixeira and Zé Dantas has an ambivalent imagined Northeast, drought, hardships, poverty, but also a beautiful place, the people and strong fighter, in which migrants always wanting to go back. Thus, one can infer conclusively that from a polyphonic and dialogical context of his time and place, the work of Luiz Gonzaga carries significant, imagistic, imagined and striking fabrics "nordestinidade" explicit directions, now the second decade of the twentieth century and that has a unique identity constructs in the communicability of the representation northeastern Brazil .