Arts news and reviews with John Wilson. Peter Taylor, award-winning journalist and expert on the Troubles in Northern Ireland, reviews the film Fifty Dead Men Walking, based on the memoirs of an IRA informer. With arena shows Star Wars: A Musical Journey in London and Walking with Dinosaurs touring the country later this year, we find out how the new generation of large-scale stadium shows work. As a retrospective of his artistic work opens in London, electronic musician, actor and DJ Goldie discusses his graffiti art, the TV series Maestro and his latest project: composing a new piece of work for the Proms. Director of the BBC Proms Roger Wright announces the line-up for his second year in charge.