"She sounded amazing and looked amazing... I don't know if it was backing track or not; it was hard to tell. I think sometimes, when you're singing in big stadiums, the echo is so crazy, it's like singing in the Grand Canyon... It sounded like, for me... she was definitely singing." Veteran session musician and American Idol judge Randy Jackson disputes claims suggesting Beyonce lip-synced when she performed the U.S. National Anthem at President Barack Obama's inauguration ceremony on Monday (21Jan13).