Cro-Monolithic Remixes for an Iron Age was a vinyl EP released by Sunn O))). The first side is a remix of a song by Earth and the second side is a remix of a track from the album Frog+ by Merzbow. This was a limited releaseonly 300 red vinyl and 200 black vinyl copies were issued. 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?
Answer:
Album