[youtube=http://www.youtube.com/watch?v=exNOyZ220jg]
At the Facebook offices, Kanye spits a few verses off his new album (you saw the tracklist) a capella, for the staffers there. Interesting. First verse up top is from Lost In This World, which is followed by Chain Heavy. After the jump is Mama’s Boyfriend and another clip.
[youtube=http://www.youtube.com/watch?v=2Umjy314sQQ&feature=player_embedded]
[youtube=http://www.youtube.com/watch?v=pQYi6RybLSI&feature=player_embedded]