Mark Ronson Performs Amy Winehouse's 'Valerie'

In his first performance since Amy's untimely death, Mark Ronson played the hit song he and Winehouse so perfectly collaborated on for his 2007 album Versions. Performing alongside Roson onstage at the Greenwich Summer Sessions last night was Dave McCabe of the Zutons (who penned the original version of "Valerie")… » 7/28/11 4:45pm 7/28/11 4:45pm