Angels' Carol by John Rutter (1945-). For 2-part choir, any combination (Piano accompaniment or Harp accompaniment). Advent and Christmas. John Rutter Series. Main Key: F Major. Christmas and Sacred. Difficulty: Medium (Jr. High/High School) or Easy (Adult). Octavo. 12 pages. Duration 3 minutes 37 seconds. Published by Hinshaw Music Inc. (HI.HMC986).