Listen to The Part Where He Kills You online. The Part Where He Kills You is an English language song and is sung by Aperture Science Psychoacoustic Laboratories. The Part Where He Kills You, 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 3:24. Download English songs online from JioSaavn.