Processional on Adeste Fideles
A processional on the tune Adeste Fidelis which works well as both a processional and recessional. A version for organ and choir (with the choir joining beginning at mm.61 to the end) is also available.
You can find a recording of the piece here: https://youtu.be/-LX_BmTjaQA
Organ solo: $5
Organ and Choir parts: $10