That's All is a popular song written by Merle Travis, and included on his 1947 debut album Folk Songs of the Hills. Travis was inspired to write the song following a sermon he heard while attending a Cincinnati black church with his grandfather during the 1940s.[1]
The song has had cover versions recorded by many notable artists including Lenny Breau on his 1969 album The Velvet Touch of Lenny Breau – Live!, Doc Watson on his 1973 album Then and Now, and Willie Nelson and Wynton Marsalis on their 2008 album Two Men with the Blues.