sentences:  Several years earlier, Vaughan Williams had included the carol in his "Fantasia on Christmas Carols", first performed at the 1912 Three Choirs Festival at Hereford Cathedral.Erik Routley's arrangement in the 1961 "University Carol Book" adds a modal inflection to the setting.The carol often appears at the King's College "Festival of Nine Lessons and Carols", where it is performed in arrangements by either David Willcocks or Philip Ledger, both former directors of music at the chapel.