The first Mass of Christmas, celebrated in the spectacular setting of London's Westminster Cathedral. The homily is given by the Most Rev Vincent Nichols, celebrating his first Midnight Mass as Archbishop of Westminster, and a thousand-strong congregation sing well-loved carols including Once in Royal David's City and O Come All Ye Faithful. Music sung by the world-famous Cathedral Choir includes O Magnum Mysterium (Lauridsen), Lux Aurumque (Whitacre) and the Mass setting is Charpentier's Messe du Minuit pour Noel. Part of the BBC Christmas 2009 season.