I need scary soft lullabies?!?

"All The Pretty Little Horses" - I had to sing this song for choir in seventh grade, and it has kind of an eerie feel to it. It's a Native American lullaby. You could also use Ring Around the Rosy. Even though it's not a lullaby, if it's sung a certain way it can give you chills. Plus, it's about the Black Plague, so....