What is this called, its from a creepy movie?

does anyone happen to know the name of this song, well i wouldn't consider it a full song..but..i believe its from nightmare on elm street...or another one and there are kids singing..many confuse it with ring around the rosie...but its not. it's real creepy sounding, im pretty sure its from one of the freddy movies? what is this song? i would like to add it to my myspace.