Organised by Terri Hooley's Good Vibration Records, this legendary gig found almost 1800 people cramming into The Ulster Hall to see local band The Outcasts. The events depicted here were later immortalised in the 2013 film Good Vibrations. The final part of documentary filmmaker John T. Davis 'punk trilogy' – preceded by Shellshock Rock (1979) and Protex Hurrah (1980). These films sought to portray the leading figures of Ulster’s underground punk scene of the late-1970s and early 1980s.