This is a video of Brahms Lullaby as performed by Dave Wirth with just a guitar and voice. You can learn Brahms Lullaby as well as many common nursery rhymes and lullabies on the guitar with The Lullaby Guitar Course:
Photo Cred:
Serowe Baby by Terence Nance, Attribution 2.0 Generic
https://flic.kr/p/6soZsM
https://www.flickr.com/photos/terencenance/
https://creativecommons.org/licenses/by/2.0/