This thread is about Portal-inspired background music that can be used in your custom maps.
So far today I have made six tracks and I plan on making some more this weekend. If you have any requests or suggestions for new tracks I'll take them into account - such as if you want a song to be faster, have a beat, be distorted, be more melodic, be more or less droning, sound like a corporate product video, be happy(?!) or whatever else you can think of.
The music in Portal was extremely sparse, often only one sound, as it was simply for setting the mood. With that in mind I have tried to do a bit more (omg, two sounds at the same time? poppycock!).
Feel free to use the music in your Portal maps. Please credit the music to The Hamster Alliance. 
Here's the music::
All 15 songs in one RAR file: dload.php?action=file&file_id=111
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Lost Chambers - deep drone / hollow melody / synthetic strings
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Full-Time Employee - undulating bass / dark swirling saw synth
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Required Test Protocol - Repetitious synth hit / steady clicking / mangled GLaDOS voice ambience / deep bass swell
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Where Am I? - twofer: part 1: "servo-like" synth / heartbeat / ambiance - part 2: calming synth strings / pulsating bass / distorted drums
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System Error - loud droning bass / swirling ambiance / glitches
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High-Energy Pellet - nostalgic "science-video" synth / no melody / undulating "electric hum" bass
- Updated 11/18/2007 -
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It's The Future - really short / retro-futuristic glistening of wonderment. wow...look at all this science...this is the future.
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Don't Talk About Portal Club - Fight Club style / Super-Deep Bass / minimalistic analog beat / wandering synth lead
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Live Fire - Action-Packed music good for timed-goals and lots of turrets in a room / cinematic while still being minimal and mostly percussionless.
- Updated 11/22/2007 -
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The Cake Is A Lie - Sad swelling melodies / melancholy atmosphere / pumping bass
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Endless Chamber - Drone zone (no real melody) / Steady pulsating bass / minimalistic madness floating about.
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Stress Free Environment - Synthetic-Mechanical atmosphere / static / a kind of industrial factory vibe...pumps, pistons and other machinery.
- Updated 11/23/2007 -
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They Should Have Sent A Theoretical Physicist... - This is a pretty "look at all this science" one / very cinematic / epic boom drum / buzzy bass / Cascading synth string melody
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Tunneling Deeper - Deep dark atmosphere. This one's extremely sparse. Sounds almost like the swelling of a ship with a sci-fi element.
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Contemplation In Silence - machinery hum / very melancholy melody
Let me know what you think.



