"This was a last-minute question, a choice we had to make," the ceremony's musical designer, Chen Qigang, said. "Our rehearsals had already been vetted several times - they were all very strict. When we had the dress rehearsals, there were spectators from various divisions, including above all a member of the politburo who gave us his verdict: we had to make the swap."
Apparently, the actual singer "simply did not portray the image that the Chinese wanted to convey to the world".
Poor little buck-toothed girl!
On the upside... three cheers for the men's 4x100 relay! I'm convinced that Michael Phelps is a fish. Or at least part dolphin.