Portal 2 soundtrack collectors edition announced

Valve has announced a four-disc soundtrack album for Portal and Portal 2, titled "Songs To Test By: Collectors Edition," scheduled for release on October 30 through Ipecac Recordings.

The album, primarily composed by Mike Morasky, contains the ending songs "Still Alive" and "Want You Gone" by Jonathan Coulton, as well as operatic vocal performances by Ellen McLaine, voice of GLaDOS. The included mini-graphic novel "Turret Lullaby" and music collection "Portal 2: Songs To Test By" are currently available for free digital download.

Ipecac Recordings - Songs To Test By: Collectors Edition

Think With Portals - Songs To Test By & Turret Lullaby