Zwei-Osterei - Zwei-Osterei is the second full-length album by German experimental music trio Kluster. The album title translates to English as Two - Easter egg.Zwei-Osterei was recorded on February 23 1970 at Rhenus-Studio Gordorf Germany. Zwei-Osterei was released in 1971 on the Schwann label with a plastic embossed cover including two multi fold-out inserts. 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?
A:
Album