Cana Cludhmor - Inventing an Irish Goddess

I saw a post on Twitter, under the folklore Thursday hashtag, claiming that the Irish goddess of music and the harp is Cana Cludhmor, which was a new one on me, so I decided to research the idea and that figure. I wasn't familiar with her as a name of any of the Tuatha De Danann, Fomoirians, or Fir Bolg, or from the Ulster or Fenian myth cycles but I am certainly not infallible nor do I know