''When we were making our third record, the War LP, we were being thrown out of the studio by the studio manager because we had overrun or something and we had one more song to do. We wrote this song in about ten minutes, we recorded it in about ten minutes, we mixed it in about ten minutes and we played it, then, for another ten minutes and that's nothing to do with why it's called '40'.''
did you know
U2 lost money on the production of the 1997 Sarajevo PopMart show as ticket prices were kept low, an average of $18, which did not cover the cost of the production. Any income generated from radio sales went to War Child.