Author Pat Barker chooses Benjamin Britten's song cycle Who Are These Children? Plus archive interviews with Britten and Gladys Parr, a masterclass in performing the piece by Peter Pears - and a recent Front Row discussion with the singer Ian Bostridge and the Guardian columnist Martin Kettle on dealing with the composer’s dramatisation of and fascination with children in a culture of heightened sensitivities about the young. Go to Front Row’s Cultural Exchange website for full details.