The GSAS Harvard Argentine Tango Society (HATS) is dedicated to the study, practice, teaching, and diffusion of the popular art form, Tango Argentino. The society provides a series of lessons at all levels, guest workshops, milongas (social dances), performances, and concerts for the GSAS community. Over the years, hundreds of GSAS students have taken our classes, and we welcome you to join in at any time during the fall or spring semester! Contact us at