Question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. W.F.O. - W.F.O. (Wide Fucking Open) is the seventh full-length album by thrash metal band Overkill released in September 1994 on Atlantic Records. The album contains hidden songs on tracks 97 and 98 featuring the band warming up in the studio playing Heaven and Hell by Black Sabbath The Ripper by Judas Priest and Voodoo Child (Slight Return) by Jimi Hendrix. The instrumental song R.I.P.
Answer:
Album