Charli XCX and Troye Sivan have finally returned for a sequel to their hit bop 1999, and it’s everything the original track isn’t: snarling, amorphous, and every bit as forward-thinking as its name suggests.

2099, the latest tune released ahead of Charli’s eponymous new LP, shows the British pop genius and her Australian counterpart riffing on Pluto, Neptune, the future, and jet-skis. It’s fun.

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It’s also weird. With production courtesy of Pop 2 collaborator A.G. Cook and Ö, aka Nömak, the song is an auditory rebuke of 1999‘s nostalgic optimism. If Natalie Portman‘s mirror-self in Annihilation was in the club at 3am, it’d probably ignore me while cutting illogical shapes to 2099.

Charli drops on September 13, and may just serve as a template for whatever trans-auditory music ‘humans’ ingest at the turn of the next century.

Image: @charli_xcx / Instagram