The singer previously said making the film "saved" him, but now reveals how difficult it was to portray the iconic guitarist. He tells Shortlist magazine: "It was very hard - it's almost the same as walking backwards. The crazy part was when we first approached the film. We thought we were going to be able to shoot it right-handed, so I could have full confidence and full movement of knowing how to do it. We were going to try to flip the image."