U2's first show in Portugal

"If somebody were to do an analysis of the singers and writers in rock’n’roll, you’d be so shocked by how many lost their mother. But what’s more interesting is the rage that follows grief. Where do you put it? Music arrives in my life as an emancipation and punk rock gives me a place to howl. And it’s alchemy. It’s literally turning your shit into gold records." - Bono, 2014