When the Oscar-winning director Ryusuke Hamaguchi set out to make his latest film “Evil Does Not Exist,” the music kind of came before the idea. The film tells the story of a close-knit rural community in Japan and the city folk who have plans to build a glamping site in their hamlet. Hamaguchi joins Tom to tell us how the film was largely inspired by the music of his composer, Eiko Ishibashi.