"Hear my law, O my people..."

"Hear my law, O my people: incline your ears unto the words of my mouth." So begins Psalm 78, the longest portion of psalm appointed for Morning or Evening Prayer in the Book of Common Prayer. It is sung on The Fifteenth Evening, and this trio of words inspires a strong reaction to any sacred choral singer who has ever sung the traditional psalmody. If you hear Evensong on the 15th evening of the…