‘Vampire Weekend is such a bizarre phenomenon,” says the band’s singer, Ezra Koenig, laughing. He is wearing a coat that looks so much like a dressing gown, I think he has turned up to meet me in his pyjamas. “We started out with songs called Mansard Roof, doing college dress-up, and it was improbable anybody would like that. I imagined people finding it curious, but to stick with it for a decade? It’s bizarre.”

Koenig grins. His band never really did convention. The best track on their debut album is Oxford Comma, and it’s rare to launch a chart-topping career on the back of a song named after a piece of punctuation. On the surface, they are playful, yet their smarts (they met at an