The Part Where He Kills YouAperture Science Psychoacoustic LaboratoriesSoundtrack2,308 Shazams play full songShare
![Listen to Portal 2: Songs to Test By (Original Game Soundtrack) [Collectors Edition] by Aperture Science Psychoacoustic Laboratories](https://is1-ssl.mzstatic.com/image/thumb/Music122/v4/b8/98/4d/b8984dda-e37e-05a7-3d23-8512828a581c/5051083189118_cover.jpg/400x400bb.webp "Listen to Portal 2: Songs to Test By (Original Game Soundtrack) [Collectors Edition] by Aperture Science Psychoacoustic Laboratories")
