Pachelbels Canon in D is not Christmas music. Perhaps someone has combined this piece with something else, but it wouldn't have been composed by Pachelbel.
One is the Concerto for Two Violins in D Minor by Bach. It is a duet that sounds pretty good.
Pachelbel's Or Canon in D, by Pachelbel.
There are reasonably good keyboard versions of the Canon in D.
Look up "Canon in D major for violins" in a serach engine.
Pachelbel's Canon (Canon in D Major by Johann Pachelbel)
Canon in D is Pachelbel's most famous composition. It was composed in early 1600's. It is paired with a gigue in the same key.
Canon in D
The tone or key would be D.
D. It's an example of a vanitas piece.
Some musical bands that incorporated the melody of Pachelbel's Canon in D in their songs include "The Pop Tops" and "Aphrodite's Child." You can learn more about Pachelbel's Canon in D at the Wikipedia.
it was written for his love for music and it was based on his childhood