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”
Bruce Springsteen and Coldplay's Chris Martin to fill in for injured Bono at U2's World Aids Day gig Tickets
U2 Minus 1 will appear in New York's Times Square tonight (December 1) with support from Kanye West
Free release of band's controversial new album puts them ahead of Barack Obama and racist Donald Sterling
U2 frontman treated with metal plates following serious injuries
The band will release videos for all 11 tracks of their recent album 'Songs Of Innocence'
Band were due to play every night on Jimmy Fallon show this week
"There may be a few cows or sheep in the German countryside with a very sore head," says U2 frontman
Singer and friends were travelling from Dublin to Berlin for music awards
The drummer also compares the release of 'Songs Of Innocence' to George Orwell's '1984'
The frontman professed his love of the track in a new interview with Rolling Stone
Adam Clayton hints at 'acoustic' and 'explosive' shows to reflect 'Songs Of Innocence' album
U2 say their free album was 'a bottle of milk in people's fridge that they weren't asking for' Tickets
The singer also reveals to Rolling Stone that he once told Steve Jobs to 'go fuck yourself'
Band performed 'Volcano' and 'Every Breaking Wave' live on BBC 2 last night
'Songs Of Innocence' was released physically on October 13
The U2 frontman says he's suffered from the eye condition for 20 years
The band think giving away the album for free "was a great thing to do"