With some regrettable absences and a premature close, the weekend is redeemed by explosive sets and starry surprise guests such as Central Cee

Fuelled by music fandom and social media, young British people’s slang is evolving to include words with pidgin, patois and Arabic roots – even where strong regional English dialects exist

Arctic Monkeys, Fred Again, Raye, Lana Del Rey and Guns N’ Roses all astounded. And if everyone knew Foo Fighters would turn up, just who might share the stage with Elton John was the stuff of rumours