Springsteen sang a song from his new album titled "Jack of All Trades," which criticizes the gap between haves and have-nots and the greed of Wall Street bankers.

"He says: `If I had me a gun, I'd find the bastards and shoot them on sight.' Now when he says that, when he's saying that, the place roared. I mean, roared. Like 30,000 people involuntarily screamed their approval. And it was so alarming," Damon said. "I went backstage after and saw him and it was the first thing he said to me. He's singing to firemen and cops and real people. And the fury that's there is very, very real."