These are great, yeah?

Tim Noah - "Country Store" 

https://www.youtube.com/watch?v=muHiV4Brt8c

"Abiyoyo" - Pete Seeger

https://www.youtube.com/watch?v=p4giML-Gd7o

"One Grain of Sand" ~ Pete Seeger

https://www.youtube.com/watch?v=K-xn4X8_zVs