"Would you like to see what goes into the making of an audio book?" I once asked an editor who had come along to chaperone a high-profile author visiting our studio when his book was being recorded. "No. I'd better get back to the office. After all, it's only someone reading a book out loud."
Well, yes... in the sense that Simon Russell Beale only has to say the right words in the right order to play his acclaimed Macbeth or Lear. What about interpretation, characterisation, consistency, engagement, involvement, vitality, sincerity, clarity, conviction, subtlety, enthusiasm...?