The choirs of Westminster cathedral and St Paul's cathedral are preparing to swap places soon to celebrate the Week of Prayer for Christian Unity which takes place from 18 - 25 January. This year the theme of the week is taken from St John's Gospel (Ch 14, v 6): "I am the way and the truth, and the life." On Friday 19 January, Westminster Cathedral Chaplains and Choir will sing Vespers at St Paul's Cathedral at 5.00pm. On Tuesday, 23 January the Chaplains and Choir of St Paul's will come to Westminster Cathedral to sing Evensong at 4.30pm. All are welcome to attend both services. For more details of events during the week, check the listings section or parish links.