Lauryn Hill Pictures

Novi Sad, SERBIA: US singer Lauryn Hill performs on stage during a concert at the Exit music festival in the Serbian town of Novi Sad, 14 July 2007. Serbia's Exit Festival, one of the biggest music gatherings in Europe, kicked off Thursday with record number of foreign visitors, organizers said. The four-day Exit Festival, which will last from July 12-15, has been staged each summer since 2000 at an old fortress overhanging the River Danube in Serbia's second-biggest city, Novi Sad.