Answer the following question: Witold Lutosławski: String Quartet -  Witold Lutosławski: String Quartet is a studio album by the Kronos Quartet containing String quartet by Polish Witold Lutosławski composed in 1964 and first performed in 1965. This string quartet is an example of aleatory music that is music in which some element of the composition is left to chance and/or some primary element of a composed work's realization is left to the determination of its performer(s). Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Album