At the 5:10 mark of this video, Kanye starts a new track "Heartless." This video comes from the ONE event during the Democratic National Convention.

Rumor has it that he'll perform this track tonight to close out the VMAs. 

This is the second track that's been previewed off Kanye's upcoming album Good Ass Job.

Listen to the first track that West has previewed:

"Love Lockdown" (Preview Video)

Update:

Here's a better version of Kanye performing part of Heartless in Los Angeles (October 3, 2008).