Given the 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. Unicas - Unicas is the eleventh studio album by Spanish duo Azucar Moreno released on Sony International in 2002. Unicas was the first Azucar Moreno album since 1990's Bandido not to be partly or entirely recorded in the United States but in Spain and Italy and it also features strings by the Prague Philharmonic Orchestra.
The answer is:
Album