"A few days after the album [Songs of Innocence] was finished, I thought Iris shouldn't be part of the album. Even though the song is a beautiful tune and everything, I just thought it was going a bit far and it's not very punk rock, singing about your mother."
did you know
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.