Soprano Lesley Garrett hosts an hour of inspirational music, guests and features from the heart and soul of Christmas. With live music from Nashville songwriter Beth Nielsen Chapman, and classic carols from the choir of Orkney's Kirkwall Grammar School. The BBC's Tehran-based correspondent Jon Leyne sends a special report on Christians in Iran, and a Hindu family from Harrow explain how they'll be spending Christmas, and how it compares with their own winter festival of Diwali.