This lullaby is a favorite with young and old. Here's a calming version of this nursery rhyme to get kids in the mood for bedtime. Rock-a-Bye Baby lyrics Rock-A-Bye-Baby on the tree top. When the wind blows, the cradle will rock. When the bough breaks, the cradle will fall. And down will come baby, cradle and all. Rock-A-Bye-Baby on the tree top. When the wind blows, the cradle will rock. When the bough breaks, the cradle will fall. And down will come baby, cradle and all. Sweet dreams, children.