I don't see Julie Fowlis listed anywhere above:

http://www.youtube.com/watch?v=MnBBQ-_D2Hc&feature=related

And Beth Gibbins of Tiny Tin Lady, singing "Who Knows Where The Time Goes" with Fairport here, when she was just 15:

http://www.youtube.com/watch?v=0tcYesLREcI

Most of the YouTube clips of TTL just don't do justice to her voice...it's really something when she lets rip...which she doesn't do often enough.