Blues legend B.B. King during last night's performance at the White House. Win McNamee/Getty Images hide caption itoggle caption Win McNamee/Getty Images The Two-Way Obama Sings Again: Belts A Bit Of 'Sweet Home Chicago' February 22, 2012 During an In Performance at the White House concert featuring B.B. King, Buddy Guy, Mick Jagger, Jeff Beck and other blues greats, the president sang along briefly. Catch the video.