Answer:
go to sleep
Step-by-step explanation:
Hush, little baby, don't say a word.Papa's gonna buy you a mockingbirdAnd if that mockingbird won't sing,Papa's gonna buy you a diamond ring
And if that diamond ring turns brass,Papa's gonna buy you a looking glassAnd if that looking glass gets broke,Papa's gonna buy you a billy goatAnd if that billy goat won't pull,Papa's gonna buy you a cart and bullAnd if that cart and bull turn over,Papa's gonna buy you a dog named Rover