Usually, festival collabs are worked out weeks in advance, and the bigger the star, the more notice you have to give them. Artists’ diaries, after all, tend to get booked up months, often years, in advance.
Which makes it all the more surprising to hear that Earth Wind & Fire’s surprise guest appearance during Sabrina Carpenter’s Lollapalooza set in Chicago on Sunday (3 August) was worked out at the last minute. In fact, the '70s soul/ disco legends had just 24 hours to prepare.
