Portal 2 soundtrack

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Songs to Test By Collectors Edition Cover.jpg

Songs to Test By is the soundtrack for Portal 2. Songs to Test By was made available free from the Portal 2 official website in .mp3 format, and a 4-disk Collectors Edition is available to purchase from Amazon.

Shorter versions of particular songs, or sound effects from the game, are available as ringtones from the website above. The soundtrack was released in three volumes: The first, titled Volume 1, was released on May 25, 2011; Volume 2 on July 1, 2011, Volume 3 on Sept. 30, 2011, and as a 4-disk Collectors Edition on October 30, 2012.

The Collectors Edition also includes in-game promotional items for Team Fortress 2, and to & in-game promotional items for Dota 2, and the Turret Lullaby comic.

Portal 2: Songs to Test By - Volume 1 (Collectors Edition Disk #1)

Listen to soundtrack on YouTube.
Portal 2 Soundtrack Cover - Volume 1.jpg

Album: Portal 2: Songs to Test By - Volume 1 by Aperture Science Psychoacoustics Laboratory


  1. Science is Fun by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:33] | Download Download | Play icon.png Play
  1. Concentration Enhancing Menu Initialiser by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:33] | Download Download | Play icon.png Play
  1. 9999999 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:11] | Download Download | Play icon.png Play
  1. The Courtesy Call by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:37] | Download Download | Play icon.png Play
  1. Technical Difficulties by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:21] | Download Download | Play icon.png Play
  1. Overgrowth by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:50] | Download Download | Play icon.png Play
  1. Ghost of Rattman by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:06] | Download Download | Play icon.png Play
  1. Haunted Panels by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [1:36] | Download Download | Play icon.png Play
  1. The Future Starts With You by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:21] | Download Download | Play icon.png Play
  1. There She Is by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:20] | Download Download | Play icon.png Play
  1. You Know Her? by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:10] | Download Download | Play icon.png Play
  1. The Friendly Faith Plate by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:59] | Download Download | Play icon.png Play
  1. 15 Acres of Broken Glass by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:59] | Download Download | Play icon.png Play
  1. Love as a Construct by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:57] | Download Download | Play icon.png Play
  1. I Saw a Deer Today by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:13] | Download Download | Play icon.png Play
  1. Hard Sunshine by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:48] | Download Download | Play icon.png Play
  1. I'm Different by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:28] | Download Download | Play icon.png Play
  1. Adrenal Vapor by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:36] | Download Download | Play icon.png Play
  1. Turret Wife Serenade by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [1:38] | Download Download | Play icon.png Play
  1. I Made It All Up by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:56] | Download Download | Play icon.png Play
  1. Comedy = Tragedy + Time by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:29] | Download Download | Play icon.png Play
  1. Triple Laser Phase by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:15] | Download Download | Play icon.png Play


Portal 2: Songs to Test By - Volume 2 (Collectors Edition Disk #2)

Album: Portal 2: Songs to Test By - Volume 2 by Aperture Science Psychoacoustics Laboratory


  1. You Will Be Perfect by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [2:39] | Download Download | Play icon.png Play
  1. Halls Of Science 4 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [4:35] | Download Download | Play icon.png Play
  1. Bots Build Bots by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [4:07] | Download Download | Play icon.png Play
  1. An Accent Beyond by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [2:58] | Download Download | Play icon.png Play
  1. Robot Ghost Story by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:07] | Download Download | Play icon.png Play
  1. Die Cut Laser Dance by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [2:01] | Download Download | Play icon.png Play
  1. Turret Redemption Line by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:23] | Download Download | Play icon.png Play
  1. Bring Your Daughter To Work Day by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [2:40] | Download Download | Play icon.png Play
  1. Almost At Fifty Percent by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [1:59] | Download Download | Play icon.png Play
  1. Don't Do It by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [5:16] | Download Download | Play icon.png Play
  1. I AM NOT A MORON! by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:46] | Download Download | Play icon.png Play
  1. Vitrification Order by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [6:34] | Download Download | Play icon.png Play
  1. Music of the Spheres by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:38] | Download Download | Play icon.png Play
  1. You are Not Part Of the Control Group by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:24] | Download Download | Play icon.png Play
  1. Forwarding the Cause of Science by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:40] | Download Download | Play icon.png Play
  1. PotatOS Lament by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [1:59] | Download Download | Play icon.png Play
  1. The Reunion by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:45] | Download Download | Play icon.png Play
  1. Music of the Spheres 2 (Incendiary Lemons) by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [2:43] | Download Download | Play icon.png Play


Portal 2: Songs to Test By - Volume 3 (Collectors Edition Disk #3)

Album: Portal 2: Songs to Test By - Volume 3 by Aperture Science Psychoacoustics Laboratory


  1. Reconstructing More Science by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:36] | Download Download | Play icon.png Play
  1. Wheatley Science by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:29] | Download Download | Play icon.png Play
  1. Franken Turrets by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [4:08] | Download Download | Play icon.png Play
  1. Machiavellian Bach by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [4:01] | Download Download | Play icon.png Play
  1. Excursion Funnel by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [4:32] | Download Download | Play icon.png Play
  1. TEST by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [6:14] | Download Download | Play icon.png Play
  1. The Part Where He Kills You by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [3:23] | Download Download | Play icon.png Play
  1. Omg, What has He Done? by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:24] | Download Download | Play icon.png Play
  1. Bombs for Throwing at You by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [5:48] | Download Download | Play icon.png Play
  1. Your Precious Moon by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [1:55] | Download Download | Play icon.png Play
  1. Caroline Deleted by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [1:50] | Download Download | Play icon.png Play
  1. Cara Mia Addio! by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:33] | Download Download | Play icon.png Play
  1. Want You Gone by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:21] | Download Download | Play icon.png Play
  1. Spaaaaace by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [0:45] | Download Download | Play icon.png Play
  1. Space Phase by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [1:32] | Download Download | Play icon.png Play
  1. Some Assembly Required by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [1:50] | Download Download | Play icon.png Play
  1. Robot Waiting Room #1 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download Download | Play icon.png Play
  1. Robot Waiting Room #2 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download Download | Play icon.png Play
  1. Robot Waiting Room #3 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download Download | Play icon.png Play
  1. Robot Waiting Room #4 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download Download | Play icon.png Play
  1. Robot Waiting Room #5 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download Download | Play icon.png Play
  1. Robot Waiting Room #6 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:06] | Download Download | Play icon.png Play
  1. You Saved Science by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [0:47] | Download Download | Play icon.png Play
  1. Robots FTW by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [3:38] | Download Download | Play icon.png Play


Collectors Edition Disk #4

Main article: Portal Soundtrack

There are no downloads because it's a copyrighted disk.

Album: Portal 2: Songs to Test By by Aperture Science Psychoacoustics Laboratories


  1. Subject Name Here by Valve Studio Orchestra on The Orange Box Original Soundtrack [1:44]
  1. Taste Of Blood by Valve Studio Orchestra on The Orange Box Original Soundtrack [3:06]
  1. Android Hell by Valve Studio Orchestra on The Orange Box Original Soundtrack [3:45]
  1. Self Esteem Fund by Valve Studio Orchestra on The Orange Box Original Soundtrack [3:30]
  1. Procedural Jiggle Bone by Valve Studio Orchestra on The Orange Box Original Soundtrack [4:34]
  1. No Cake For You by Valve Studio Orchestra on The Orange Box Original Soundtrack [4:05]
  1. 4000 Degrees Kelvin by Valve Studio Orchestra on The Orange Box Original Soundtrack [1:01]
  1. Stop What You Are Doing by Valve Studio Orchestra on The Orange Box Original Soundtrack [4:00]
  1. Party Escort by Valve Studio Orchestra on The Orange Box Original Soundtrack [4:21]
  1. You're Not A Good Person by Valve Studio Orchestra on The Orange Box Original Soundtrack [1:24]
  1. You Can't Escape, You Know by Valve Studio Orchestra on The Orange Box Original Soundtrack [6:24]
  1. Still Alive by Jonathon Coulton on The Orange Box Original Soundtrack [2:56]
  1. Still Alive (J.C. Mix) by Aperture Science Psychoacoustics Laboratories on Portal 2: Songs to Test By - Volume 4 [2:57]


Others

View on YouTube

1. Exile Vilify - 4:46 by The National

Ringtones

Volume 1

Turret Wife Serenade [0:19] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Science Is Fun [0:18] | Download Download: mp3 | m4a | m4r | Play icon.png Play
The Friendly Faith Plate [0:16] | Download Download: mp3 | m4a | m4r | Play icon.png Play
The Courtesy Call [0:16] | Download Download: mp3 | m4a | m4r | Play icon.png Play
I Saw a Deer Today [0:29] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Comedy Equals Tragedy Plus Time [0:29] | Download Download: mp3 | m4a | m4r | Play icon.png Play

Volume 2

Music

Halls of Science [0:14] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Music of the Spheres [0:19] | Download Download: mp3 | m4a | m4r | Play icon.png Play
You Are Not Part Of The Control Group [0:18] | Download Download: mp3 | m4a | m4r | Play icon.png Play
PotatOS Lament [0:15] | Download Download: mp3 | m4a | m4r | Play icon.png Play
You Will Be Perfect [0:13] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Bring Your Daughter To Work Day [0:15] | Download Download: mp3 | m4a | m4r | Play icon.png Play

Sound Effects

Button Positive [0:01] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Button Negative [0:01] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Door Open [0:01] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Door Close [0:01] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Shoot Blue Portal [0:01] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Shoot Orange Portal [0:01] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Blue Paint [0:02] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Turret Machine Gun [0:01] | Download Download: mp3 | m4a | m4r | Play icon.png Play

Volume 3

Reconstructing More Science [0:08] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Your Precious Moon [0:10] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Cara Mia Addio [0:09] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Want You Gone [0:09] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Some Assembly Required [0:06] | Download Download: mp3 | m4a | m4r | Play icon.png Play
Robots FTW [0:09] | Download Download: mp3 | m4a | m4r | Play icon.png Play

Trivia

Please note that the Trivia section consists purely or mainly of recurring melodies. This section also may be considered as a spoiler for people who would like to listen to the OST themselves.

  • Adrenal Vapor, You Are Not Part of The Control Group, Forwarding The Cause of Science, Robot Waiting Room #6 have a very similar execution and contain a pure sinewave foundation.
  • The second part of 9999999 is actually a remix of Music of the Spheres I.
  • The track The Courtesy Call has its first part unique to itself, the second part is a sped-up version of Music of the Spheres I and the last part is a slowed-down version of Reconstructing More Science
  • Likely made to reflect on the entire game before, Caroline Deleted contains a snippet from The Courtesy Call at the very beginning, a few lines from Cara Mia Addio! right after that as well as a few looping notes from Music of the Spheres I both as deep and slow and as high-pitched and fast. The song then changes to a remix of Reconstructing More Science, ending on the buzzing noises from Don't Do It.
  • Similarly, I'm Different contains a few tones from Bombs For Throwing at You. They are however hard to recognize, as an extra tone with a different frequency is added right after an original one - only the quiet melody connects it with the other track.
  • Tracks playing in the underground test chambers (You Are Not Part of The Control Group, Robot Waiting Room #1, Forwarding The Cause of Science and The Reunion) are all actually edited versions of the last one, becoming more corrupt with computer errors as time progresses and more of Aperture's story is revealed.