The Christmas song that has the first line initials of aftrog is "Angels From the Realms of Glory". The first line of the song is the same as the name of the song. It is a Christmas Carol written by Scottish poet James Montgomery.
The initials are for the song "First Noel." The TADS stands for the rest of the lyrics in the song which are "the angels did say."
What christmas is this
freck
My Favorite Things
in a manger weary
Jingle bells
Silent Night
jingle balls
silent night
it stands for the song the friendly beast and the first line jesus our brother kind and good
The first noel the angels did say