The enthronement of Archbishop Sarah Mullally at Canterbury Cathedral

Sunday guides you through the time-honoured rituals of the enthronement of an Archbishop of Canterbury - and how the service will break new ground with an anthem based on the words of 14th century female mystic Julian of Norwich, put to music by Joanna Marsh.

We will be hearing the stories of people in Iran as they mark Persian New Year and Eid in the midst of war.

And the story of a new film that brought the first Christian hymn from papyrus to the big screen.