REM's take on Animal Farm sounds rather prescient to me: https://youtu.be/baq3K5fsER0 .
Literary Music

Not a combination of music and literature (unless we recognize the literary quality of the lyrics) but so beautiful I am going outside the stated parameters

https://www.chess.com/forum/view/off-topic/literary-music?newCommentCount=1&page=3#comment-66939113
The perceived partitions between the arts is only a matter of medium. *Great* comment post Thomas.
It's not a song that I find at all appealing, but The Cure's "Killing an Arab" (a homage to Camus) would seem to fit your criteria.