Cisco Houston

Gilbert Vandine 'Cisco' Houston (August 18, 1918 – April 29, 1961) was an American folk singer who is closely associated with Woody Guthrie due to their extensive history of recording together.
Houston was a regular recording artist for Moses Asch's Folkways recording studio. He also performed with such folk/blues musicians as Lead Belly, Sonny Terry, and the Almanac Singers.

http://en.wikipedia.org/wiki/Cisco_Houston
http://www.ciscohouston.com/