Comedian Chris Rock recently paid a visit to Sway's radio show, revealing what it was like working with Kanye on his "My Beautiful Dark Twisted Fantasy" album, and how incredibly focused 'Ye was. Rock and West did the emotional song "Blame Game", which ended with a hilarious, classic Chris Rock monologue. Rock says when he got to the studio, everyone, even the engineers, had on black suits.

FInd out more about Chris Rock's experience with Kanye in the video above.