This is the one that did it. Released in March 2019, Billie Eilish’s debut album was made almost entirely at home in Highland Park, Los Angeles, written by Billie and produced by her brother Finneas in his bedroom, with no outside studio polish to hide behind. That homemade closeness is the whole point. It sounds like something built in a house at night.

The record leans into nightmare logic: sleep, monsters, dread, the things that surface when the lights go out, all delivered in Billie’s near-whisper over Finneas’s spare, bass-heavy production. The title itself is a question pulled straight from one of its songs, which tells you how much this album thinks of itself as a single mood rather than a track list.

At the 2020 Grammys it won Album of the Year, making Eilish the youngest artist ever to take that award. Start anywhere. It is designed to be unsettling.