The more I listen to this, the more I love Lord, Thou Hast Been Our Refuge. This has a powerful impact (no, I haven't dared to listen to Valiant-For-Truth yet).
It starts with half the choir quietly singing O God Our Help In Ages Past to the very familiar tune "St.Anne". The second half grows to a great climax with choir and organ, while the trumpet slowly continues the Croft tune.
The short introit O Taste and See was written for the Coronation Of Her Majesty Queen Elizabeth II; again, a superb performance, with treble solo by Timothy Mirfin
Some less-familiar Christmas carols are those in Vaughan Williams' Christmas Cantata "Hodie". Here the unaccompanied No Sad Thought His Soul Affright, in this superb recording