Portal Still Alive song a free Rock Band download today on Xbox Live and April 17 on PlayStation Network

Rock Band Special Edition for Xbox 360
The brainteaser Portal that was included with The Orange Box collection of Valve games has become a major success thanks to its catchy dark humor that’s also apparent in its music. Most notable was the hilarious ending song “Still Alive” by Jonathan Coulton. MTV Games and Valve will today be releasing the song as free downloadable content for Rock Band on Xbox 360 today and on PlayStation 3 April 17th, 2008.

No, this is NOT an April Fools joke. Go to the Xbox Live Marketplace and you’ll find the following description…
Content: “Still Alive”
Price: Free
Availability: Canada and United States
Dash Text: [ESRB: T (Teen) MILD LYRICS,MILD SUGGESTIVE THEMES] Build your Rock Band library by purchasing this song game track: “Still Alive” — GLaDOS and Jonathan Coulton. PLEASE NOTE: Many Rock Band song game tracks are available as both a multipack and as a single game track. These song game tracks are exactly the same (unless expressly noted as a special version or remix). Be aware that it is possible to download the same song game track twice so please carefully consider your purchases. For music credits, visit www.RockBand.com.

Watch the Portal ending as you hear Still Alive.

Download the Portal Still Alive song as an MP3.

“While the cake may be a lie, the free download of “Still Alive” is confirmed truth,” said Greg LoPiccolo, VP of product development at Harmonix. “‘Still Alive’ is an awesome song that brings together great gaming and great music. We’ve teamed up with Valve to deliver a free download of “Still Alive” as a “thank you” to our fans for their incredible support.”
“Rock Band has lit the industry on fire by opening a new market for cooperative musical gaming,” said Doug Lombardi, VP of marketing at Valve. “We’re delighted Harmonix has selected the track for inclusion in the growing library of tracks available for this phenomenal title.”