Probably posted somewhere before but if you haven't heard these tracks it makes for interesting listening.
From '53 the song 'Crescent City Blues' is something Johnny Cash must've listened quite carefully to.
http://www.youtube.com/watch?v=T3M3Igjnbhs (starts at about 0:45
Louis Jordan and his Typany Five - 'Ain't That Just Like A Woman'.
A song just waiting for Chuck to rock it up.
http://www.youtube.com/watch?v=FyxessvtQJU
If you're a C.W. Stoneking fan, this is the kind of stuff he likes (amazing the vocal similarities, intonation, accent, everything).
Memphis Minnie and Kansas Joe McCoy - 'What's The Matter With The Mill'
http://beemp3.com/download.php?file=315 ... h+the+Mill
(you can download the track free from here).
Anyone know any other interesting ones?