Denzel Washington talks about being an avenging angel in his new film, The Equalizer; we get a new perspective on John Constable thanks to a new exhibition at the Victoria & Albert Museum and there’s existential angst courtesy of actor Mikel Murfi and playwright Edna Walsh, who's new play Ballyturk is at the National Theatre. We get a preview of the British Museum's new exhibition - Ming: 50 years that changed China; folk legend Joan Baez shares her worries about her voice after five decades of singing; top percussionist, Colin Currie, demonstrates how to use his own body as an instrument and best-selling author Kate Mosse tells her about her latest novel, The Taxidermist’s Daughter.