Tooth Tunes

See:

https://web.archive.org/web/20140717205526/http://www.toothtunes.com/ https://en.wikipedia.org/wiki/Tooth_Tunes

Totally unrelated: https://web.archive.org/web/20030201160034/http://www.cbsnews.com/stories/2002/06/29/tech/main513827.shtml