The Tufts University Arab Music Ensemble, directed by Naseem Alatrash, will be joined by Astaza, the Middle East Ensemble at Boston College, led by Nizar Fares, to present a concert entitled “Hayah,” Arabic for “life.” The two groups will present a selection of songs from across the Arab world. Free to the public for in-person attendance with no tickets required. The concert also may be viewed online via Tufts Music Live Streaming.