Music show: Bob Dylan, Alela Diane and Ryan Francesconi

Folk singer Alela Diane and guitarist Ryan Francesconi speak to music critic Mark Thompson and Eve Jackson about uniting for "Cold Moon". They also discuss the week's music news, including electronic legend Jean-Michel Jarre's ambitious new project with Bjork, Pete Townshend and Air; Christine and the Queens’ plans to conquer America and Bob Dylan in Paris.