He starred in Peep Show, Green Wing and Wonka " and his first novel won an award. Now the star is making operas with 64 homeless people. Not bad going for someone who was written off by his teachers Paterson Joseph is, by his own admission, an unlikely opera librettist. He had turned 50 by the time he got round to going to one, and only went because he was in it, as the "crazy" voice of God in Kurt Weill and Bertolt …
