Fall Out Boy proved guitar bands can still have hits with Centuries, their epic 2014 smash. Here, bassist/songwriter Pete Wentz talks us through it, and reveals why Katy Perry shouldn’t be offended…

The American Beauty/American Psycho album was a weird one. We came back [from hiatus] with Save Rock And Roll and were like, ‘Is it possible for a rock band to operate at the speed of DJs and rappers?’

They’re able to respond to pop culture because they’re doing ...