We don't really know why he was up there, and why he's doing this 'acapella,' but we have to say - this definitely gets us excited to hear his new album!
Rumor is that Kanye West was having some sort of meeting with Mark Zuckerberg at the Facebook headquarters in Palo Alto, CA when he decided to give an impromptu performance of some of his new material!
Check out the video clips of Chain Heavy, Mama's Boyfriend, and Good Ass Job (above)!
Totally back to form, bb!
And looking GOOD in that suit!