The track was born during recording sessions in Fez, Morocco . Co-producer Daniel Lanois noted that Bono came up with the euphoric melody, which the band treated like a "fanfare".
During development, the song was known by the working title "French Disco" .
will.i.am of the Black Eyed Peas provided additional keyboards for the track. 3. Performance & Legacy
The track was produced by the longtime U2 collaborative team of Brian Eno , Daniel Lanois , and Steve Lillywhite .