Anim Zemirot. She did an amazing job finding her voice after only the first couplet. I know she was nervous but it did not show one bit. Several people commented that she was one of the best of the gang in her pronunciation. I was so proud of her I thought I was going to explode.
If you are not familiar with this particular psalm, it is one of only two that pre-bnai mitzvah children are permitted to lead and the only one which is almost exclusively led by these special youngsters. I found this fun link of a Shabbaton choir leading it.