After a quick listen: misses out the "debt" verse, a couple of versions of the "One morning" verse adding "sun ain't gonna shine". "Momma" added to end of most lines. Clearly one of those songs where floating verses are added at will.
He sings it "a capella"*.

RtS
(*a musical term meaning "with an English manager" - if the manager changes my best intro joke is stuffed!)