Paramore review – slick stadium pop act just as earnest as when they were emo

O2 Arena, LondonHayley Williams claims to have done a lot of growing up since her band’s angsty days, but has lost none of her magnetic intensity during their reinventionLast week, the website of US radio network NPR ran a lengthy piece about what it called the Grunge Gold Rush: the early 90s moment when record labels became obsessed with finding the next Nirvana and threw money at a plethora of unsuitable alternative guitar bands. It’s a fascinating story, replete with much hand-wri