This is a video of Rock A Bye Baby as performed by Dave Wirth with just a guitar and voice. You can learn Rock A Bye Baby as well as many common nursery rhymes and lullabies on the guitar with The Lullaby Guitar Course:
Photo Cred:
Babysitting? by Mike Gifford, Attribution-ShareAlike 2.0 Generic
https://flic.kr/p/q5JtWv
https://www.flickr.com/photos/mgifford/
https://creativecommons.org/licenses/by-sa/2.0/