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. Time Circle 19681972 - Time Circle 19681972 was a compilation album by Spirit issued in 1991.This set draws heavily from the four albums released by the original line-up on Ode/Epic. It also includes some outtakes and versions of songs from then unreleased soundtrack work. At the time that this set was released Twelve Dreams of Dr. Sardonicus was the only studio album by the original group still in print.Several of the outtakes were later included on the 1996 reissues of the first four albums.
Answer:
Album