B.B. King, Buddy Guy , Warren Haynes

Pablo Martinez Monsivais / AP
PhotoBlog - Obama belts out the blues with B.B. King, Jagger and Buddy Guy
http://photoblog.msnbc.msn.com/_news/2012/02/21/10471838-obama-belts-out-the-blues-with-bb-king-jagger-and-buddy-guy