Portal 2 soundtrack

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.

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 | Play

Played during the Portal 2 TV Spot and other trailers.

2. Concentration Enhancing Menu Initialiser by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:33] | Download | Play

In the PS3 Menu selection when highlighting Portal 2.

3. 9999999 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:11] | Download | Play

On the first main menu screen and near the end of The Escape

4. The Courtesy Call by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:37] | Download | Play

Played from when the player is first woken by Wheatley until the end of the container ride.

5. Technical Difficulties by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:21] | Download | Play

Plays during The Courtesy Call, in Test Chambers 2, 3, 4, 7 & 8

6. Overgrowth by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:50] | Download | Play

Plays during The Courtesy Call in Test Chamber 1

7. Ghost of Rattman by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:06] | Download | Play

In the Rattmann chamber surrounding the Portal gun.

8. Haunted Panels by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [1:36] | Download | Play

Plays in Test Chamber 5.

9. The Future Starts With You by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:21] | Download | Play

Plays in Test Chamber 6.

10. There She Is by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:20] | Download | Play

Played when walking through GLaDOS's chamber for the first time.

11. You Know Her? by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:10] | Download | Play

Plays when waking GLADOS and walking through the Incinerator.

12. The Friendly Faith Plate by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:59] | Download | Play

Plays when being propelled through the air via a Faith plate. It doesn't play in Chapter 2 in Test Chamber 6 or Chapter 3 in Test Chamber 10.

13. 15 Acres of Broken Glass by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:59] | Download | Play

The ambient, crunching synth acts as an atmospheric track for Chapter 2 Test Chamber 6, and the distorted, percussive loop plays when being propelled by faith plates.

14. Love as a Construct by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:57] | Download | Play

Plays in Chapter 2 Test Chamber 7. When near the Companion Cube, the melody from Cara Mia Addio, the Turret Opera, can be faintly heard.

15. I Saw a Deer Today by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:13] | Download | Play

Different parts of this track play when solving different parts of Chapter 2 Test Chamber 10, and the song builds on itself.

16. Hard Sunshine by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:48] | Download | Play

An electric, buzzing, and distorted synth track, played when on a Hard Light Bridge. The song can be heard louder when crouching. The melody from Cara Mia Addio can be heard.

17. I'm Different by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:28] | Download | Play

A melancholy, lamenting song played in Chapter 3 Test Chamber 13. The high, wailing synth melody plays when a turret is knocked over. An excerpt from this track can be heard in An Accent Beyond.

18. Adrenal Vapor by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [2:36] | Download | Play

A simple, bubbly and nostalgic track, consisting only of layered sine waves, that plays in Chapter 3 Test Chamber 14. The track builds on itself, as a new layer is added each time a laser relay is activated.

19. Turret Wife Serenade by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [1:38] | Download | Play

Plays when entering the Ratman den in Chapter 3 Test Chamber 16, in which the player can see four turrets, nicknamed the "Turret Quartet," singing for the Turret Wife, also known as the Prima Donna Turret or the Fat Turret.

20. I Made It All Up by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:56] | Download | Play

A melodic, nostalgic track consisting of layered synths that plays in Chapter 4 Test Chamber 18. The song builds on itself as laser relays are activated.

21. Comedy = Tragedy + Time by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [3:29] | Download | Play

An echoing, industrial-sounding track consisting of mechanical noises and booming clangs that plays in Chapter 4 Test Chamber 19. The song has no melody, and is more of an atmospheric track; The reverberating, hollowness of the song mirrors the spaciousness of the chamber.

22. Triple Laser Phase by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By [4:15] | Download | Play

An electronic track consisting of layered synths that plays in Chapter 4 Test Chamber 20. The song builds on itself, with a new layer added each time one of the three laser receptacles is activated. When the test chamber is complete, the song's layers are all playing in unison.

• It is worth noting that the song makes use of musical dissonance.

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 | Play

2. Halls Of Science 4 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [4:35] | Download | Play

3. Bots Build Bots by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [4:07] | Download | Play

4. An Accent Beyond by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [2:58] | Download | Play

Plays during the escape in Test Chamber 21.

5. Robot Ghost Story by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:07] | Download | Play

Plays when entering the Turret Production centre.

6. Die Cut Laser Dance by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [2:01] | Download | Play

7. Turret Redemption Line by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:23] | Download | Play

Plays when entering the turret redemption line.

8. Bring Your Daughter To Work Day by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [2:40] | Download | Play

Plays when exiting the defective turret switch room.

9. Almost At Fifty Percent by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [1:59] | Download | Play

Plays in the neurotoxin chamber.

10. Don't Do It by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [5:16] | Download | Play

Plays when Chell enters GLaDOS' chamber for a second time.

11. I AM NOT A MORON! by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:46] | Download | Play

Plays when Wheatley is transferred in GLaDOS' body.

12. Vitrification Order by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [6:34] | Download | Play

Plays after landing in the old Aperture laboratory.

13. Music of the Spheres by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:38] | Download | Play

Plays after entering the large vault door.

14. 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 | Play

15. Forwarding the Cause of Science by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:40] | Download | Play

16. PotatOS Lament by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [1:59] | Download | Play

Plays in the title screen, when you're in Chapter 6

17. The Reunion by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [3:45] | Download | Play

18. Music of the Spheres 2 (Incendiary Lemons) by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 2 [2:43] | Download | Play

Plays during Cave Johnson's lemon rant.

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 | Play

2. Wheatley Science by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:29] | Download | Play

3. Franken Turrets by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [4:08] | Download | Play

4. Machiavellian Bach by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [4:01] | Download | Play

5. Excursion Funnel by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [4:32] | Download | Play

6. TEST by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [6:14] | Download | Play

7. The Part Where He Kills You by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [3:23] | Download | Play

Plays in Chapter 9.

8. Omg, What has He Done? by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:24] | Download | Play

Plays right before entering 'Wheatley's Lair'.

9. Bombs for Throwing at You by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [5:48] | Download | Play

Plays after Wheatley explains his 4-part-plan.

10. Your Precious Moon by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [1:55] | Download | Play

Plays after all 3 corrupted cores have been attached to Wheatley.

11. Caroline Deleted by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [1:50] | Download | Play

Plays in GLaDOS' final talk with Chell.

12. Cara Mia Addio! by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:33] | Download | Play

The Turret Opera.

13. Want You Gone by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:21] | Download | Play

The Portal 2 Official Ending Song, previous being Still Alive.

14. Spaaaaace by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [0:45] | Download | Play

Plays in Wheatley's talk in space.

15. Space Phase by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [1:32] | Download | Play

16. Some Assembly Required by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [1:50] | Download | Play

17. Robot Waiting Room #1 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download | Play

18. Robot Waiting Room #2 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download | Play

19. Robot Waiting Room #3 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download | Play

20. Robot Waiting Room #4 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download | Play

21. Robot Waiting Room #5 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:14] | Download | Play

22. Robot Waiting Room #6 by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [2:06] | Download | Play

23. You Saved Science by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [0:47] | Download | Play

24. Robots FTW by Aperture Science Psychoacoustics Laboratory on Portal 2: Songs to Test By - Volume 3 [3:38] | Download | 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]

2. Taste Of Blood by Valve Studio Orchestra on The Orange Box Original Soundtrack [3:06]

3. Android Hell by Valve Studio Orchestra on The Orange Box Original Soundtrack [3:45]

4. Self Esteem Fund by Valve Studio Orchestra on The Orange Box Original Soundtrack [3:30]

5. Procedural Jiggle Bone by Valve Studio Orchestra on The Orange Box Original Soundtrack [4:34]

6. No Cake For You by Valve Studio Orchestra on The Orange Box Original Soundtrack [4:05]

7. 4000 Degrees Kelvin by Valve Studio Orchestra on The Orange Box Original Soundtrack [1:01]

8. Stop What You Are Doing by Valve Studio Orchestra on The Orange Box Original Soundtrack [4:00]

9. Party Escort by Valve Studio Orchestra on The Orange Box Original Soundtrack [4:21]

10. You're Not A Good Person by Valve Studio Orchestra on The Orange Box Original Soundtrack [1:24]

11. You Can't Escape, You Know by Valve Studio Orchestra on The Orange Box Original Soundtrack [6:24]

12. Still Alive by Jonathon Coulton on The Orange Box Original Soundtrack [2:56]

13. Still Alive (J.C. Mix) by Aperture Science Psychoacoustics Laboratories on Portal 2: Songs to Test By - Volume 4 [2:57]

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Volume 1

Turret Wife Serenade [0:19] | Download: mp3 | m4a | m4r | Play

Science Is Fun [0:18] | Download: mp3 | m4a | m4r | Play

The Friendly Faith Plate [0:16] | Download: mp3 | m4a | m4r | Play

The Courtesy Call [0:16] | Download: mp3 | m4a | m4r | Play

I Saw a Deer Today [0:29] | Download: mp3 | m4a | m4r | Play

Comedy Equals Tragedy Plus Time [0:29] | Download: mp3 | m4a | m4r | Play

Volume 2

Music

Halls of Science [0:14] | Download: mp3 | m4a | m4r | Play

Music of the Spheres [0:19] | Download: mp3 | m4a | m4r | Play

You Are Not Part Of The Control Group [0:18] | Download: mp3 | m4a | m4r | Play

PotatOS Lament [0:15] | Download: mp3 | m4a | m4r | Play

You Will Be Perfect [0:13] | Download: mp3 | m4a | m4r | Play

Bring Your Daughter To Work Day [0:15] | Download: mp3 | m4a | m4r | Play

Sound Effects

Button Positive [0:01] | Download: mp3 | m4a | m4r | Play

Button Negative [0:01] | Download: mp3 | m4a | m4r | Play

Door Open [0:01] | Download: mp3 | m4a | m4r | Play

Door Close [0:01] | Download: mp3 | m4a | m4r | Play

Shoot Blue Portal [0:01] | Download: mp3 | m4a | m4r | Play

Shoot Orange Portal [0:01] | Download: mp3 | m4a | m4r | Play

Blue Paint [0:02] | Download: mp3 | m4a | m4r | Play

Turret Machine Gun [0:01] | Download: mp3 | m4a | m4r | Play

Volume 3

Reconstructing More Science [0:08] | Download: mp3 | m4a | m4r | Play

Your Precious Moon [0:10] | Download: mp3 | m4a | m4r | Play

Cara Mia Addio [0:09] | Download: mp3 | m4a | m4r | Play

Want You Gone [0:09] | Download: mp3 | m4a | m4r | Play

Some Assembly Required [0:06] | Download: mp3 | m4a | m4r | Play

Robots FTW [0:09] | Download: mp3 | m4a | m4r | 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.