Good video; really well edited. The first song is "The Device has been Modified" por Victims of Science. The end credit song used is Jarrett Heather's version of Jonathan Coulton's "Still Alive".
I thought this would be funny as kind of like a Webcam message as if GLaDOS was directing it at Chell. Passive aggression, yay! :D I had a TON of fun doing this. Please put up with my terrible acting. I get easily excitable. PLAY PORTAL!!!