U2 - Unknown Caller Lyrics

Frequently Asked Questions

1. What inspired the setting for recording 'Unknown Caller'?

   The song was recorded in 2009 in a hotel's courtyard in Fez, Morocco. The band's decision to record there was influenced by Bono's invitation to a religious music festival in the city, featuring performers like Sufi singers. The open-air riad allowed ambient sounds like birdsong to be captured.

2. Who are the characters in the song 'Unknown Caller' and what are their roles?

   Bono created several characters for this song, including a drug addict, who is the primary focus. The song explores themes of social alienation and identity through the character's experience of receiving cryptic, technology-inspired text messages. The drug addict is also referenced in another song, 'Moment of Surrender'.

3. What are the distinctive musical elements in 'Unknown Caller'?

   The song starts with ambient sounds, including birdsong recorded in Morocco and an exotic four-note guitar riff by The Edge. A French horn, played by Richard Watkins, and a church organ also distinguish the track. The Edge’s guitar solo is considered one of his major solos and follows an evocative instrumental buildup.

4. What role does technology play in the lyrics of 'Unknown Caller'?

   The lyrics make numerous technology references, such as 'Force quit and move to trash' and 'Restart and re-boot yourself'. These phrases reinforce the song's themes of self-renewal and seeking clarity, as told through the perspective of a character in a metaphysical crisis.

5. How was 'Unknown Caller' received by critics?

   Critics had mixed reactions to the song. Some praised The Edge’s guitar work and the song's epic, stadium-friendly character, while others critiqued the lyrics for being over-reliant on tech jargon. Rolling Stone and Mojo had positive takes, whereas Allmusic and NME were more critical.

6. Was 'Unknown Caller' performed live by U2?

   Yes, 'Unknown Caller' debuted live during the U2 360° Tour. It was played frequently in the first leg of the tour and intermittently towards the end of the second leg. During live performances, birdsong from the intro was used, and the lyrics were displayed onscreen.