LISTEN: U2's New Song 'Invisible' Now Available on iTunes

U2's new track "Invisible" has officially hit iTunes.

The song is the first sample off the band's forthcoming studio set, which will be teased in a Super Bowl ad on Sunday. It will be available as a free download exclusively on iTunes now through 11:59 p.m. on Monday.

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As we previously reported, Bank of America will donate $1 for every download, and up to $2 million total, to the Global Fund to Fight AIDS, Tuberculosis and Malaria, which provides life-saving HIV/AIDS treatment, testing and prevention services to tens of millions of people in the world’s poorest countries.

Despite the Super Bowl promotion, another yet-to-be-revealed track will serve as the album's lead single, according to Bono, who told USA Today: ”We have another song we’re excited about to kick off the album,” he explained. “This is just sort of a sneak preview — to remind people we exist.”

Listen to the song in its entirety below.