Stop What You Are Doing Lyrics
| Song | Stop What You Are Doing |
| Artist | Aperture Science Psychoacoustic Laboratories |
| Album | Portal 2: Songs to Test By (Collectors Edition) |
YouTube Results (More on YouTube)
| Song | Stop What You Are Doing |
| Artist | Aperture Science Psychoacoustic Laboratories |
| Album | Portal 2: Songs to Test By (Collectors Edition) |