This week on Screentime John Fardy chats to the brothers Ron and Russell Mael aka ‘Sparks’; the greatest band half the world have never heard of about the brilliant new documentary ‘The Sparks Brothers’ coming  to cinemas next week. In the week that would have seen Robin Williams turn 70 there’s a special tribute to the comedian and actor. Plus the one and only Mario Rosenstock chats about his favourite movie.