"Woke up this mornin' feelin round for my shoes
But you know by that, I got these old walkin' blues"
It contains traditional blues lines originally attributed to the legend Son House, who was a major influence on Robert Johnson.
Since then it's been considered one of the main blues standards, and has been covered by hundreds of musicians across genres, such as:
CEE-LO GREEN ft. KENNY WAYNE SHEPHERD (wtf)