Trouble with my voice is I don't like it. Whenever I hear it, I think "Oh dear, does it sound like that? I hoped it didn't!" So that I'm quite keen to get other people's voices in on the act. And then Rosie (Rosie Bailey) does all the speaking voices: she has a marvellous version of Macbeth in which Lady Macbeth speaks pure Morningside, and McDuff speaks pure Highland and the sons of Duncan speak rather classy English. I mean she can do all that and hear them and I can't do that kind of thing so I just use my voice for galumphing along and keeping the rhythm going, not trying to make a big point with it - because what you don't say, of course, is as important as what you do say.