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. Shorter versions of particular songs, or sound effects from the game, are available as ringtones. The soundtrack is releasing in three volumes: The first, titled Volume 1, was released on May 25, 2011; Volume 2 was released on July 1, 2011 and Volume 3 is currently unreleased.

Volume 1
1. Science is Fun - 2:33 - File:01-Science is Fun.mp3

2. Concentration Enhancing Menu Initialiser - 2:16 - File:02-Concentration Enhancing Menu Initialiser.mp3

3. 999999 - 3:11 - File:03-999999.mp3

4. The Courtesy Call - 3:37 - File:04-The Courtesy Call.mp3

5. Technical Difficulties - 3:21 - File:05-Technical Difficulties.mp3

6. Overgrowth - 2:50 - File:06-Overgrowth.mp3

7. Ghost of Rattman - 4:06 - File:07-Ghost of Rattman.mp3

8. Haunted Panels - 1:36 - File:08-Haunted Panels.mp3

9. The Future Starts With You - 3:21 - File:09-The Future Starts With You.mp3

10. There She Is - 4:20 - File:10-There She Is.mp3

11. You Know Her? - 3:10 - File:11-You Know Her.mp3

12. The Friendly Faith Plate - 2:59 - File:12-The Friendly Faith Plate.mp3

13. 15 Acres of Broken Glass - 4:59 - File:13-15 Acres of Broken Glass.mp3

14. Love as a Construct - 4:57 - File:14-Love as a Construct.mp3

15. I Saw a Deer Today - 3:13 - File:15-I Saw a Deer Today.mp3

16. Hard Sunshine - 2:48 - File:16-Hard Sunshine.mp3

17. I Am Different - 4:28 - File:17-I Am Different.mp3

18. Adrenal Vapor - 2:36 - File:18-Adrenal Vapor.mp3

19. Turret Wife Serenade - 1:38 - File:19-Turret Wife Serenade.mp3

20. I Made It All Up - 3:56 - File:20-I Made It All Up.mp3

21. Comedy Equals Tragedy Plus Time - 3:29 - File:21-Comedy Equals Tragedy Plus Time.mp3

22. Triple Laser Phase - 4:15 - File:22-Triple Laser Phase.mp3

Others
1. Exile Vilify - 4:46 by The National

2. Want You Gone - 2:22

Volume 1
1. Turret Wife Serenade - 0:19

http://media.steampowered.com/apps/portal2/soundtrack/01/mp3/19-Turret_Wife_Serenade.mp3

2. Science Is Fun - 0:18

http://media.steampowered.com/apps/portal2/soundtrack/01/mp3/01_Science_is_Fun.mp3

3. The Friendly Faith Plate - 0:16

http://media.steampowered.com/apps/portal2/soundtrack/01/mp3/12-The_Friendly_Faith_Plate.mp3

4. The Courtesy Call - 0:16

http://media.steampowered.com/apps/portal2/soundtrack/01/mp3/04-The_Courtesy_Call.mp3

5. I Saw a Deer Today - 0:29

http://media.steampowered.com/apps/portal2/soundtrack/01/mp3/15-I_Saw_a_Deer_Today.mp3

6. Comedy Equals Tragedy Plus Time - 0:29

http://media.steampowered.com/apps/portal2/soundtrack/01/mp3/21-Comedy_Equals_Tragedy_Plus_Time.mp3

Music
1. Halls of Science - 0:14

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2-02-Halls_of_Science_4_ringtone.mp3

2. Music of the Spheres - 0:19

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2-13-Music_of_the_Spheres_ringtone.mp3

3. You Are Not Part Of The Control Group - 0:18

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2-14-You_Are_Not_Part_Of_The_Control_Group_ringtone.mp3

4. PotatOS Lament - 0:15

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2-16-PotatOS_Lament_ringtone.mp3

5. You Will Be Perfect - 00:13

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2-01-You_Will_Be_Perfect_ringtone.mp3

6. Bring Your Daughter To Work Day - 0:15

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2-08-Bring_Your_Daughter_To_Work_Day_ringtone.mp3

Sound Effects
1. Button Positive - 0:01

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2_sfx_button_positive.mp3

2. Blue Paint - 0:02

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2_sfx_player_blue_paint.mp3

3. Door Close - 0:01

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2_sfx_door_close.mp3

4. Shoot Orange Portal - 0:00

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2_sfx_portal_gun_fire_orange.mp3

5. Button Negative - 0:01

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2_sfx_button_negative.mp3

6. Shoot Blue Portal - 0:00

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2_sfx_portal_gun_fire_blue.mp3

7. Door Open - 0:00

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2_sfx_door_open.mp3

8. Turret Machine Gun - 0:00

http://media.steampowered.com/apps/portal2/soundtrack/02/ringtones/mp3/Portal2_sfx_turret_machine_gun.mp3