Given the question: Theatre (album) - Theatre is an album by Swiss pianist composer and arranger George Gruntz's Concert Jazz Band '83 recorded in 1983 and released on the ECM label. 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?
The answer is:
Album