U2 to give away new song for 24 hours

U2 are going to give away new song Invisible for free for 24 hours, starting Sunday (2 February).

For every download of the track the Bank of America has agreed to give $1 to Bono's charity (RED).

The bank has already given $10 million to the charity as part of the partnership, which has been matched by the Bill & Melinda Gates Foundation.

Invisible is produced by Danger Mouse and mixed by Tom Elmhirst.

Sixty seconds of the video - directed by Mark Romanek (Jay Z - 99 Problems; Johnny Cash - Hurt; Nine Inch Nails - Closer) - will be shown during a Super Bowl ad break on Sunday and on YouTube from 8pm our time.

(RED) was set up to channel funds to the Global Fund to fight Aids, TB and Malaria. It has already generated more than $240 million since being founded in 2006 by Bono and Bobby Shriver.

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