I know this looks like a ridiculous generalisation. And I only use the term 'black people' to provide a distinction with the music of 'white people'.
I mean the whities have Monteverdi, Bach, Beethoven and Mozart. And the rest.
What do black people have?
Well they have also have music which goes back thousands of years, in Papua New Guinea no less than elsewhere.
As Mana taught me with her Kuman singing (God nina unagle dingra wo wei. Naya sugl mola wo wei).
Then there is American Gospel.