Babies, no matter where they are born or what they look like, come to us without language or social norms. They need our love and nurturing to grow and our soothing voices and touch to calm their fears. For centuries, parents around the globe have sung and hummed to their little ones, and as spring approaches with its promise of new life, we thought we'd share with you the origins of some of the lullabies we've raised our babies with for centuries. So, hum away as you read more about where those iconic tunes came from, why so many refer to unpleasant situations, and why we have them in the first place.