“God Rest Ye Merry, Gentlemen” is a traditional English Christmas carol. The English lawyer and antiquarian William Sandys is regarded as the person who popularised the song by including it in his 1833 publication, “Christmas Carols Ancient and Modern”, a collection of Christmas carols that Sandys had gathered and apparently also improvised himself. An early version of the song can be found in an anonymous manuscript from the 1650s. There are already many arrangements of this song, but it is Fra...