"Rick Rubin has a larger looming presence on this album than his 'thank you' deserves. He asked 'Why can't more people cover U2 songs?' And it's because, with all the great sounds and arrangements, you can forget that there isn't a song there."
- Bono on Rubin's influence on Songs of Innocence
During early rehearsals for the band, Adam couldn't play the bass. The rest of the band didn't even notice at first, blaming everything but Adam for the bad sound.