It used to be, when we put the kiddo to bed, we'd have one story and three songs. The third song was always frere jacques. But then the boy traded out songs for a second story and we've been song-less at bedtime for a while.
After stories we talk about our day, say good-nights and then I usually stay and snuggle with him for a while. Lately, when it's just the two of us, he's been asking for songs again. These are almost always the first three (and Blackbird is always his request):
If he's still awake after these . . . well, they usually do the trick.