BDi composer, Stuart Earl, scores the music to the final episode of Black Mirror: The Entire History Of You. Sunday 18th December Ch4 @ 9pm. Last in the series of Charlie Brooker's dark dramas. In the near future, everyone has access to a memory implant that records everything they do, see and hear - a sort of Sky Plus for the brain. You need never forget a face again... but is that always a good thing?