Have you heard the new U2 song "Invisible?" If not you can check it out below.

The song is available on iTunes and for every downloaded song, Bank of America will be donating a $1 to the Global Fund that was co-founded by Bono. The Global Fund works to fight AIDS, tuberculosis and malaria around the world. For more info on the Global Fund, click here.

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Bono said this was NOT the first single from the bands upcoming 13th studio album: "We have another song we're excited about to kick off the album," he said. "This is just sort of a sneak preview -- to remind people we exist."