“Lullaby” is a derivative of “Lilith & abi (go)”. Lilith is the Goddess of the dark side and was known to steal children in the dead of night, hence the lullabies before bed.
I started with Ain't No Sunshine and kept going through his greatest hits. Couldn't quite enjoy Just the Two of Us as much as I used to because I associate it too much with Dr. Evil & Mini-Me. lol