Listen to You Are Not Part of the Control Group online. You Are Not Part of the Control Group is an English language song and is sung by Aperture Science Psychoacoustic Laboratories. You Are Not Part of the Control Group, from the album Portal 2: Songs to Test By (Original Game Soundtrack) (Collectors Edition), was released in the year 2012. The duration of the song is 3:25. Download English songs online from JioSaavn.