Mark examines the mysteries of composing for the screen. He talks to among others Jonny Greenwood of Radiohead who has composed music for the Paul Thomas Anderson films There Will Be Blood and Inherent Vice.Composer Rachel Portman who won an Oscar for her music for Emma starring Gwyneth Paltrow, to Mark Knopfler and Bill Forsyth about the score for Local Hero and to Anne Dudley about her score for The Full Monty.