Found her recently. She doesn't have much out yet. Her first single came out last May with two songs, Still Doll and Kuroi Torikago. I hope to hear more from her at some point.
She plays the cello and sings. In Japanese if you couldn't guess. Really quite good.
I just felt like sharing, really. I'd encourage someone to check her out.
Trivia:
Her song Still Doll is used as the ending theme for the anime Vampire Knight.
English fansite:
http://home.graffiti.net/ningyounokoe:graffiti.net/discography.html
Still Doll music video:
http://www.youtube.com/watch?v=2hnuAkapT_Q
