Choral Choir (SATB) - Level 3 - Digital Download SKU: A0.1148638 By Traditional arranged by Jan Powell. By Unknown. Arranged by Jan Powell. Christian,Christmas,Early Music,Holiday,Praise & Worship. Octavo. 7 pages. Jan Powell #748777. Published by Jan Powell (A0.1148638). This is a full 4-part harmony arrangement of one of the most ancient and beautiful of Christmas carols. It is arranged as an Introit to a Christmas service and can serve as an entrance of the choir and set the tone for the program to come.