Please answer the following question: Nicole Safft (born 19 November 1975) professionally known as Rollergirl is a German singer with a number of successful tracks such as Dear Jessie (a loose cover of a Madonna song) and Luv U More the latter being a cover of a song by Sunscreem. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Artist