See if you can identify a specific song based on our clues!

This song dates to 1930 and has been recorded be people ranging from Bill Monroe to Jose Feliciano.  It's also been used in a Levi's commercial and as the opening song to a children's television show.  One of it's lines is:

"Hey little water boy bring your water 'round
And if you don't like your job just set that water bucket down"