I'm not sure how much slash would be in it. I didn't do it intentionally, but I'm bias, so you'll probably see it if you look for it. :3
Title: The Cave
Song: The Cave by Mumford and Sons
Fandom: Dead Poets Society
Pairing: If you look, you'll see it. :P
It says it's blocked in some regions, so you can download it here, too.
Feedback is always encouraged~