Please answer the following question: Martin Walkyier - Martin Walkyier (born 20 November 1967) is an English singer known for his bands Sabbat and Skyclad and for his lyrics. Metal Hammer journalist Detlef Dengler called Walkyier a great lyricist known for his multitude of words and brilliant puns; yet Walkyier was never asked to write lyrics for other bands unfortunately as he says. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Artist