Silent Night, originally "Stille Nacht, heilige Nacht" in German, was written by the Catholic Priest Joseph Mohr and the melody composed by Franz Xaver Gruber. The tune was written in Austria in 1818.
O Come, All Ye Faithful
Away in a Manger was published in Philadelphia in 1885. It is uncertain who wrote the lyrics. However, the tune was called St. Kilda and attributed to J. E. Clark.
Joy To The World was written by Isaac Watts and based on Psalm 98. It was published in 1719 and was arranged to music in 1839 by Lowell Mason.