Iranian rock group Arian performs in Tehran

Sharareh Farnejad, part of the ten-member Arian band, plays guitar at the 23rd International Fajr Music Festival in Tehran, Iran on December 24, 2007. Irish pop singer Chris de Burgh is to play a historic gig in Tehran, marking the first time a Western artist will perform in Iran in nearly 30 years. De Burgh planned to headline several concerts in Iran next summer as part of a collaboration with the Iranian rock group Arian, the band's manager said. (UPI Photo/Mohammad Kheirkhah)