The immediate impression of "Gira" was of the semi-circle of lights designed by Gabriel Pederneiras and Paulo Pederneiras (the Grupo Corpo artistic director) and their somber illumination of the twenty dancers"an impressively large cast"that heightened the ceremonial tone of the very repetitious choreography. The music by Metá Metá varied from ominous rumbles to full-out thumping Latin rhythms. The dancers fill…