Middle East Studies presents "Underground Iran," a festival of Iranian music featuring Kiosk and Mohsen Namjoo's band as part of Brown's 250th Anniversary. The two featured bands - banned from performing in their home countries - will perform together on stage for the first time. Admission is free with a Brown/RISD ID and registration; general admission is $20. The event begins at 7 p.m. in the RISD Auditorium, 17 Canal St.