"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.
Brian Eno, who has worked with U2 a lot, does also work for Microsoft. He composed the welcome sound during the introduction for Windows XP as well as the original startup sound for Windows 95.