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.

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

2. Want You Gone - 2:22

Volume 1
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