What Vermeer's guitar player taught me about the joy of art | Simon Jenkins

With Kenwood House restored, The Guitar Player is back where she should be and my obsession is renewed

She is back home. I am always suspicious of people who claim to fall in love through a picture. It is a funny sort of love, and was disastrous for Henry VIII and Anne of Cleves. But I can see how a picture can become an obsession. Mine is with Vermeer's portrait of a girl The Guitar Player, now gloriously restored to a fit setting in the reopened Kenwood House on London's Hampstead Heath.

I go...