Some girls want to be known, while others prefer to remain obscure. Scottish-born singer and producer Sophie was for the girls who wanted to hide behind the mixer board while still crafting their own magic—and Sophie, her first posthumous record, attempts to reconcile both of those ideals.

That EP signaled a sea change for XCX as one of pop’s top experimentalists, thanks in large part to Sophie’s exaggerated signature sounds. On Brat, which became a de facto summer soundtrack, Charli XCX paid homage to her late friend on the track “So I,

The artist’s posthumous album is less an expression of her journey than a guide for the rest of us—a last gift.