Billie Eilish arrived fully formed at fifteen, whispering threats and confessions over her brother's bedroom productions like a horror film scored by The xx. Dont Smile at Me collected the SoundCloud breadcrumbs that made her famous, from Ocean Eyes' gauzy heartbreak to Bellyache's murder ballad nonchalance, packaging teenage alienation as ASMR-pop for the streaming generation.

The EP's lo-fi claustrophobia and emotional brutality proved you didn't need major studio gloss to crack the charts, just siblings who understood that vulnerability sounds better when it's barely audible.