"The desert was immensely inspirational to us as a mental image for this record. Most people would take the desert on face value and think it's some kind of barren place, which of course is true. But in the right frame of mind, it's also a very positive image, because you can actually do something with blank canvas, which is effectively what the desert is."
- Adam Clayton on the Joshua Tree
Regarding the phone call Bono as MacPhisto makes at the RDS Dublin show 28th August 1993 to the United Nations, the reply he gets back is a pre-recorded message from Adam Clayton.