Georg Frideric Handel's The Messiah is meant for both Christmas and Easter, yet the Hallelujah Chorus is much more often rendered sat Christmas. Handel regarded this chorus as Scene 7 of the second part of the oratorio, subtitled "Passion." Its text, taken from three passages in Revelations, centers on the words "The kingdoms of this world are become the kingdoms of our Lord, and of his Christ; and he shall reign for ever and ever." Those words are about the Resurrection myth, not the birth myth.
Here are the kids from Quinhagak School, in their version of this masterpiece of the late Baroque: