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. Now That's What I Call Music! 30 (U.S. series) -  This article describes the 30th album in the U.S. Now! series. It should not be confused with identically-numbered albums from other Now! series. For more information see Now That's What I Call Music! 30 and Now That's What I Call Music! discographyNow That's What I Call Music! 30 was released on March 24 2009. The album is the 30th edition of the (US) Now! series and debuted at number one on the Billboard 200 album chart in April 2009.
Answer:
Album