HeArtbeat Ensemble, a group of six South Indian classical musicians, will headline the third concert of the season offered by MIT Heritage of South Asia (MITHAS). HeArtbeat Ensemble performs Carnatic music in an ensemble-style presentation. The concert will take place on Saturday, Oct. 1, at 7 p.m. in Kresge Auditorium. Tickets are $25-$50 and are available at the door or at www.sulekha.com/mithas. Other upcoming MITHAS concerts include vocalist Aruna Sairam, known for her interpretations of light classical music and for her fusion concerts with western and Indian artists, on Oct. 23; and violin duo Ganesh and Kumaresh on Nov. 20.