Honestly? Nothing more than ordinary. I would think that any good hs singer would have done just as well. (Maybe very good.) In fact, nearly every hs girl DOES sing this song, and many of them just as well.
If we're not having fun, then why are we doing it?
These are DISCUSSION boards, not mutual admiration boards. Discussion only occurs when we are willing to hear what others are thinking, regardless of whether it is alignment to our own thoughts.