Oh that a president of the USA would love (watch his face during this song) and understand* music like this! Catch it if you can find it. (A bunch of the songs are on YouTube.)
This one was a stunner.
(See Etta James and Dr. John doing the same song many years ago: http://lloydkahn-ongoing.blogspot.com/2011/12/etta-james-dr-john-bb-king-id-rather-go.html
*He starts out talking about Allan Lomax and Muddy Waters in his short intro: http://www.whitehouse.gov/the-press-office/2012/02/21/remarks-president-performance-white-house-blues-event