Aled Jones meets Westminster Abbey organist James O'Donnell and historian Roy Strong to look at the rich tradition of choral music written for royal ceremonies. He gets a perspective on the last coronation from two former Abbey choristers and speaks to Master of the Queen's Music, Peter Maxwell Davies. With music by Purcell, Walton, William Mathias , Byrd, Tomkins, Handel, Boyce, Parry and Vaughan Williams.