He produces two mallets. He starts striking the mice while singing quietly 'The Bells of St Mary's'. Each downward stroke of the mallet brings a terribly squashing sound and the expiring squeak. It is quite clear that he is slaughtering the mice. The musical effect is poor. After the first few notes people are shouting 'Stop it, stop him someone, Oh my God'. He cheerfully takes a bow. He is hauled off by the floor manager.