And I'll play the other side of the situation. It comes across really impersonal and tacky to be performing as an ARTIST on arguably one of the biggest stages, let alone, representing our country. I mean she could have gotten sick or just not been up to it, which should all be taken in to account, but if you can't perform live and their are others that can do it, she should have stepped off. Especially when Kelly Clarkson shows you up.
why does performing it live matter? it won't sound better; i can't imagine beyonce being able to top that recording anyway. it was incredible no matter where it was sung.
it also isn't like it was a secret she had this recorded. and YoYo Ma did it too, four years ago.