"Actually '78 was a really exciting time for U2. We had just discovered F sharp minor. So we had the fourth chord and we'd only had three up to then."
did you know
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.