I Put a Spell on You is a song originally by Screamin' Jay Hawkins. The Mountain Goats have covered it during at least one live show.
Lyrics[]
I put a spell on you Because you're mine Stop the things you do Look out, I ain't lying I can't stand No running around I can't stand No putting me down I love you I love you I love you anyhow I put a spell on you Because you're mine