The band's straight-to-iTunes release was available on vinyl
The band recorded early albums 'The Joshua Tree', 'Boy' and 'War' at the Windmill Lane studios
Band will play The O2 Arena on November 3
Band's 2014 album was automatically downloaded to all Apple subscribers' iTunes accounts
One of the tree's 'limbs' has been hacked off
U2 frontman updates fans on his physical condition following tumble in New York
Shooting for the clip took place in Belfast this week
The guitarist also reported that Bono "basically can't move" after his cycling accident
Band will play four dates at London's O2 Arena in October
Martin tells crowd: “Dreams come true for young and old people alike”