Erutan, (Kate Covington), better known by her internet name katethegreat19, is an American singer/songwriter/composer who has made several unofficial vocal arrangements from video games, anime and movies, composing for video games, as well as writing her own music.

She performs and arranges her work all by herself, she is able to play the violin, the piano, the lyre, the guitar and several types of drums. Whenever the theme she covers lacks lyrics, she writes them herself, keeping carefully in mind the mood and atmosphere of the tune.