An A Capella Group Pays Homage to the Portal 2 Turrets

This is an A Capella version of Cara Mia, the "turret opera" from late in Portal 2. I don't really know why you'd sing this, but vocalizing music as beeps and boops is a big part of A Capella, so it works just fine. » 5/16/11 3:40pm 5/16/11 3:40pm