kelly bailey, mike morasky, jonathan coulton

Aperture Innovators Laboratories [Portal 2 Soundtrack] 

Robots FTW 

Hidden turrets song Club banger / hip hop beat 

End Song Robots (OST Portal 2) 

Robots FTW 

Robots FTW 

4 KILOMETRES UNDER SURFACE theme [Music of the Spheres] [Portal 2 Soundtrack] 

Kelly Bailey, Mike Morasky, Jonathan Coulton - Hidden turrets (OST Portal 2) 

Robots FTW 

Robots FTW 

Kelly Bailey, Mike Morasky, Jonathan Coulton - Turrets Symphony