A conglomeration of rock en Español awaits fans of this tag-team duo. Cesar “El Vampiro” Lopez, a three-time Grammy-winning guitarist, is known for his time in Latin bands Mana, Jaguares and Azul Violeta. Vocalist Hector Geronimo also fronts alternative Spanish rock outfit Moebio. Una buena noche de musica indeed. $30-$350, Sat July 6, 7 p.m., […]