President Obama has been singing a lot lately—first soul, then the blues—so when can we expect him to bust out in song again? White House Press Secretary Jay Carney has one cheeky theory, USA Today reports: "at the inauguration next year." Of course, that drew a quick response from George W. Bush's press secretary, Ari Fleischer, who tweeted, "I agree w Carney that O will be singing on Inauguration Day. Singing for his supper ... somewhere on the paid speaking circuit." Click to hear Obama's renditions of "Let's Stay Together" and "Sweet Home Chicago." (More Obama sings stories.)