Lang Lang: 'It's about the joy that music can give'

He started playing at two, retired at nine, staged a comeback at 10 – and now has his own perfume, and duets with Pharrell. We meet piano superstar Lang Lang“The beginner pianist,” says Lang Lang, himself one of the starriest of the species, “is like a startup company. Who can say what will one day become a Google?’ So is the 33-year-old Chinese pianist, who started up at the age of two after seeing a Tom and Jerry cartoon featuring Liszt’s Hungarian Rhapsody