U2 announce 'shadow album' to mark 20 years of How To Dismantle An Atomic Bomb

How To Re-Assemble An Atomic Bomb will include unreleased tracks from the original album's recording sessions

U2 will mark the 20th anniversary of How To Dismantle An Atomic Bomb. Picture: Anton Corbijn 

U2 have announced the release of a shadow album to mark the 20th anniversary of How To Dismantle An Atomic Bomb, the chart-topping record from November 2004. 

The stand-alone shadow album, named How To Re-Assemble An Atomic Bomb, will include unreleased songs discovered in the archive of the original recording sessions.