MadamSarcastra, over & out.
I realize this thread may not be visited by many others, but I felt compelled to start it on the 50th anniversary of John Coltrane's death.... he passed away on July 17th, 1967.
Yeah, that's the over-played classic. Great tune, but SO overdone. THIS one (same chord structure) is much lesser known and , in my opinion, better....If you visit the website on Youtube there is a listing of the Top 100 Best Blues songs (not my list), as well as the music video.
Etta James is Number 1.