This is a video of Brother John (also sung as Frere Jacques) as performed by Dave Wirth with just a guitar and voice. You can learn Brother John and Frere Jacques as well as many common nursery rhymes and lullabies on the guitar with The Lullaby Guitar Course:
Photo Cred:
Güller Açar Gönlümde by * ismail *, Attribution 2.0 Generic
https://flic.kr/p/2iWaCv
https://www.flickr.com/photos/fendunyasi/
https://creativecommons.org/licenses/by/2.0/