Well, I hear tell that Mudcat is a Blues and folk music website
[Though imo Blues is one sub-genre of folk music but that's a whole 'nuther story]

Here's a vintage clip of a documentary featuring Junior Wells, Buddy Guy, and Phil Guy:

Junior Wells live at Theresa's Lounge

http://www.youtube.com/watch?v=RTkrka4oi9U&mode=related&search=

Added October 14, 2006; From checker758

"Junior Wells performs at his 'home base' club in the 1970s, Theresa's Lounge on the south side of Chicago. On guitar are brothers Buddy and Phil Guy."

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Shambles, thanks for this thread.