Bob Dylan's version of Fixin' to Die has a thumping sound that I've never been able to figure out. Allegedly it has something to do with sliding from the third fret to open on the sixth string, but I can't make it sound like the recording.
It's hard to describe, so for reference here's a link to a live version of the song where he does this "thump" pretty constantly through the song:
It's hard to describe, so for reference here's a link to a live version of the song where he does this "thump" pretty constantly through the song: