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. Acidity (album) - Acidity is the fifth album by Indonesian avant-garde metal band Kekal. It was recorded in celebration of the band's tenth anniversary and was an official reunion album for the band. It marked the return of guitarist Leo Setiawan to the band and includes the vocal talents of founding member Newbabe. The album was released following the band's successful 2004 European mini-tour and a promotional concert and release party was held for the album on 13 March 2005 in Indonesia.
Answer:
Album