He realized now that she was no longer singing a lullaby.

No one said anything, although a woman sang a soft lullaby to the children.

Give your baby a bath, sing lullabies, read a book, or tell a story.

"Well, the bear tried to sing a lullaby to put the baby to sleep."

The mother sang a gentle lullaby to put her baby to sleep.

Gradually the humming became words, until she was singing a lullaby to her mother.

He stood there and sang a lullaby as a way of thanking us.

Uhura thought for a moment, then began to sing a lullaby she'd learned as a child.

I might just as well have tried to sing a Walloon lullaby.

Then he proceeds to put the cynical fish to sleep by singing a lullaby.