You Are Not Part of the Control Group 歌词
| 歌曲 | You Are Not Part of the Control Group |
| 歌手 | Aperture Science Psychoacoustics Laboratory |
| 专辑 | Portal 2 (Songs to Test By) (Volume 2) |
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| 歌曲 | You Are Not Part of the Control Group |
| 歌手 | Aperture Science Psychoacoustics Laboratory |
| 专辑 | Portal 2 (Songs to Test By) (Volume 2) |