Homes and Property | Home PageCoffee shop star quits daily grindMark Blunden @_MarkBlunden12 April 2012A coffee shop worker has left her day job to be a full-time folk singer after one of her songs became an online hit.Emily Barker, 29, was working at the Brill coffee house and record shop in Exmouth Market, Clerkenwell, when her single Nostalgia topped the iTunes and Amazon folk charts this year.It had been used as the theme of the BBC series Wallander, with Kenneth Branagh. Ms Barker said: "I've never had a TV in my life so I'd never even heard of him!"MORE ABOUTAmazon (Company)ClerkenwellItunesKenneth Branagh