A little collection of traditional christmas songs from my country:
Es ist ein Ros' entsprungen
Christmas carol from 1599. Very old, very beautiful.
Based on a melody by Georg Friedrich Händel from around 1820.
Funny to me that in some countries this is a Christian Easter Hymn („Thine is the Glory“).
The mother of all Christmas Carols. Included two versions. One of them can be played by everyone regardless of skill level. It is taking the song title literally.