3/10. Should children be encouraged to practise the piano in the hope that they may one day become accomplished players? New research from Sweden suggests that such endeavours are worthwhile. By studying the brains of concert pianists, and how much time they spent practising as they grew up, neuroscientist and concert pianist Fredrik Ullen found that practice, particularly in the early years, really does make perfect. With Geoff Watts. Producer Beth Eastwood