"Mofo" (Live in Mexico, 1997)
The trio of electronica songs that kicks off Pop culminates with "Mofo," and it's inarguably the best of the bunch. "It was as if my whole life was in that song," said Bono. "Electronic blues death rattle. It takes the cliché insult 'motherfucker' and turns it into something raw and confessional." It opened up every single night of the PopMart Tour, and by the time the band hit Mexico the song was something extraordinary. Certain songs just need to be experienced in concert.