"Hush, Little Baby" is a traditional lullaby featured in "Spookyfish".
Background[]
After receiving a goldfish from Flo Kimble, Stan Marsh starts seeing threatening messages from the goldfish itself. One night, Stan discovers a dead body next to his bed and starts screaming, which Sharon responds. Believing that it was Stan who committed the killing, Sharon decides to bury the body in their backyard and tries to calm Stan down with the lullaby.
Lyrics[]
Hush little baby, don't say a word.
Momma's gonna buy you a mockin' bird
If that mockin' bird don't sing,
Momma's gonna bury it in the backyard.