Hush Little Baby is a nursery song that's often sang while putting a baby to sleep. In this song the Mama promises an awful lot. She offers to buy the baby a mockingbird if they don't say a word. Then if the mockingbird doesn't sing, the Mama says she's going to buy the baby a diamond ring. What is a baby going to do with a diamond ring? For more information on Hush Little Baby check out .