I'm not watching the video because I don't want the spoilers, but the existence of the audio is interesting nonetheless.
And as long as I'm in before the people who will piss and moan because this came from the disc...
I don't understand why people hate on-disc DLC so much. It's more content for a game I like. Pile it on. I don't care whether it's from the internet or pre-packaged on the disc.
Who ever said on-disc...
But... But we did get a full game. :I