She could be the next Ayaka or Ayumi Hamasaki; her tone of voice seems to be a bit similar to Ayaka's...
Regarding on the YT video that was deleted, originally on http://www.youtube.com/watch?v=OKMtVxExNYE: Could someone try to find or download this so we can upload it here? Or could somebody (if lucky enough to download it from YT) try to upload the YT version?