"We took over this little hotel, that they call a riad, and set up the gear in the courtyard. So it was open, a square of sky over our heads. You can hear the call to prayer, birds flying around. Two swallows came back regularly to shit on Larry's drums."
- Bono describes the album sessions in Fez, Morocco in the summer of 2007.
did you know
The lyric "3:33 when the numbers fell off the clock face" from Unknown Caller is a reference to the Bible verse Jeremiah 33:3. Bono refers to it as "God's phone number".