Canon in d
Pachelbel's Or Canon in D, by Pachelbel.
That is was composed by Johann Pachelbel and is called the Canon in D.
Its quie lovely
There are reasonably good keyboard versions of the Canon in D.
It depends on the what instruments are made and what the music arrangements are like, and how many instruments are played. I would assume homophonic because it's a very steady piece which holds silmiar beats.
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.
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.