The world premiere of the “THE BIG MELT” directed by Martin Wallace will help kick off the 20th edition of Sheffield Doc/Fest and also celebrate the 100 Years of Stainless Steel in Sheffield, South Yorkshire, UK, the home of the festival, on Wednesday, June 12, 2013. In an interesting collaboration, leading Sheffield musicians – including The City of Sheffield Brass Band, Richard Hawley and band members, Pulp band members, The Forgemasters, a string quartet and a youth choir – will perform live to the world premiere of the film.