Listen to Robot Waiting Room #4 online. Robot Waiting Room #4 is
an
English language song and is sung by Aperture Science Psychoacoustic Laboratories.
Robot Waiting Room #4, 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 2:16.
Download English songs online from JioSaavn.