Songs you’ll never forget, the film you’ve never seen, and a story that’s never been heard. In 1967, in the wake of the extraordinary impact of Sgt. Pepper, The Beatles made a film – a dreamlike story of a coach daytrip, a magical mystery tour. It was seen by a third of the nation, at 8.35pm on BBC One on Boxing Day - an expectant public, hoping for some light entertainment for...