*For some reason, Kanye West chose to preview material from his upcoming album at Facebook headquarters in Palo Alto, where he performed for employees from atop a conference table. [View clips below.]

Based on a leaked track list of his album “Good Ass Job,” the rapper – dressed in a suit and tie – appeared to perform portions of “Devil in a New Dress,” “Chain Heavy,” and “Sweat on My Face,” along with “Momma’s Boyfriend,” which wasn’t on the leaked list, and other tracks whose titles weren’t clear.

According to the YouTube footage, lyrics on “Good Ass Job” target everything from guys who dated his late mother, to racists on Twitter. The album is due Sept. 14.