Originally Posted by TromboneAl
I'm sure the Heathrow thing happened, but there's no way that the recording that you hear was made at the airport. It would be more echo-y, and you'd hear differences when singers from different parts of the terminal started.
I guess they recorded the video, and then dubbed over it at the studio.
I was thinking more along the line of "Lip-synching" to a sound track.
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