He likes sounds and words, pushing them a little bit, then waiting to see what they want to do, then either leaving them to get on with it, or giving them another little push. Pieces invariably try to do quite a lot or nothing at all and there's usually a few dozen systems at play, or just one simple rule, continuing until it can do so no more. Recent creations include an eighty-minute string quartet, a lecture on cosmology, physics and mathematics, a fifteen-thousand note toccata for solo piano, a list of nine-hundred new words, a reduction of Macbeth into a single act and a four-movement work for twelve cornets based on the Teletubbies theme.