"Really, I think of it in terms of rock climbing. He's the guy at the bottom of the hill at the end of the rope. So if something really terrible happens, you're not gonna plummet to your death."
- Edge on his relationship with Dallas Schoo, U2's guitar tech.
Volcano was a last minute addition to the Songs Of Innocence album. It was only added to the album after it was already sent to Apple for the surprise release.