@bdp24, my favorite blues song is by Little Walter: "Hate to See You Go". The Stones cover it on their recent blues album.
To your list I'd add Junior Kimbrough and R.L. Burnside, both Mississippi hill country blues singers. R.L.'s later stuff is a bit funky. I saw his grandson and former drum player Cedric Burnside play in a tiny (and most of the year, abandoned) movie theater in Clarksdale, Mississippi a few years ago. It was encouraging that there were a lot of college students in there who clearly knew his music.
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Tonight I'm listening to Mark Knopler's new album Down the Road Wherever and not really digging it. :-(