And the crowd went wild for the reunion of ’70s supergroup Pink Floyd – the first time guitarist David Gilmour, drummer Nick Mason, keyboard player Richard Wright and bassist Roger Waters appeared onstage together since 1981.

London concertgoer Tula Contostavlos, 19, said she was there to see Mariah Carey – and to send a political message.

“Obviously some people are here for just music,” she said, “but they’re forgetting what’s important and what they’re here for.”