This video will give you a decent overview of how to play different parts of Portal 2 Song - Want you gone on Piano. This is sheet music I made for the "9999999" track from the 2011 Portal 2 Game theme and Soundtrack, "Songs To Test By - Volume 1".

DOWNLOAD THE COMPLETE SOUNDTRACK. Originally composed by Mike Morasky, and published by Aperture Science Psychoacoustics Laboratory. Print and download in PDF or MIDI 9999999. Download music and ringtones from Portal 2. This piece is most notably known for being the default main menu music when playing Portal 2 (after the Valve intro).