Portal (by kids)

[StrayRogue]

Portal 2 is coming soon. Go out and play Portal 1 if you haven't already. Anyway, here's the end theme sung by kids. Whoever thought of (and actually made it happen) is a sick genius.

http://www.youtube.com/watch?v=6m5TuxdkfkE&feature=player_embedded

PS: The cake is a lie.