Steve Sullivan's funny and moving documentary about maverick musician and funnyman Chris Sievey – and his best-loved comic creation Frank Sidebottom – is out now on DVD and Blu-ray, courtesy of Altitude Films. To celebrate the release, we have three Being Frank: The Chris Sievey Story Blu-ray and poster bundles to give away! If you want to be in with the chance of winning one, simply answer the following question…