Portal soundtrack
The soundtrack for Portal is contained in the The Orange Box Original Soundtrack released on December 21, 2007. The soundtrack also contains tracks from Half-Life 2: Episode One and Two and Team Fortress 2.
The Orange Box Original Soundtrack can be purchased from Amazon and iTunes. The tracks from Portal can be found in .mp3 format inside the Portal game cache file (portal content.gcf) under the directory \portal\sound\music\.
Track listing
1. 4000 Degrees Kelvin - 1:01
2. Android Hell - 3:45
3. No Cake For You - 4:05
4. Party Escort - 4:21
5. Procedural Jiggle Bone - 4:34
6. Self Esteem Fund - 3:30
7. Still Alive - 2:56
8. Stop What You Are Doing - 4:00
9. Subject Name Here - 1:44
10. Taste of Blood - 3:06
11. You Can't Escape, You Know - 6:24
12. You're Not a Good Person - 1:24