How many classes of *living* beings exist that produce music?

We all know that humans produce music. Including humans, how many classes of living beings exist that produce music?

If you are willing to do so, please specify in the comments what those classes are and why you believe that number is the correct number.

Poll Results

How many classes of *living* beings exist that produce music?

One Votes: 0
Two Votes: 0
Three Votes: 0
Four Votes: 1
More than four Votes: 0

(Migrated poll)

0% (0 votes)
Total votes: 0


Based on Scripture, there are at least four classes to consider as possible answers: God, angels, humans, and animals.