Please answer the following 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. Army of One (album) -  Army of One is the thirteenth studio album by the American heavy metal band Riot. It was released on July 12 2006.According to the official website the album was recorded in 2003 and Mike DiMeo was effectively out of the band by the time it was released. It is the only Riot album to feature drummer Frank Gilchriest primarily known for his work with the band Virgin Steele.
A:
Album