Watch MoviestoWatch. Straight out of the sewers in the south, Sørsia Gerilja established itself as something truly unique in the Trøndelag rap scene. With raw lyrics and an even rougher attitude, the group clashed with police, producers, and at times even themselves. You couldn’t ask for better breeding ground for hip-hop. But 20 years have passed, and now they are reuniting for the very first time — on stage at the Pstereo-Festival.