January 20th, 2012
09:25 AM ET
It was apparently irresistible. Taking the stage at the historic Apollo Theater in Harlem at a fundraiser Thursday night, President Obama broke into song–at least a couple bars of the 1972 classic hit "Let's Stay Together".
UPDATE: White House Communications Director Dan Pfeiffer tweets:
I have worked for President Obama for 5 years and until last night, I had no idea that he could sing