"I love being there, I love America, I love the feeling of the wide open spaces, I love the deserts, I love the mountain ranges, I even love the cities. So having fallen in love with America over the years that we've been there on tour, I then had to 'deal with' America and the way it was affecting me, because America's having such an effect on the world at the moment. On this record I had to deal with it on a political level for the first time, if in a subtle way."
- Bono, on the Joshua Tree's thematic inspirations
Get On Your Boots is about Bono taking his family on vacation to France and witnessing warplanes flying overhead at the start of the Iraq War. The chant "let me in the sound" was developed late in the recording sessions and became a theme throughout parts of the album.