"Track imperfections live — they become the work While recording what became the opening of their album, Billie Eilish and her brother Finneas accidentally captured an Invisalign removal moment and a casual hum, then deliberately kept them in. Rather than editing out the raw, unplanned sounds, they asked: 'if we're going to put that in, let's actually work on it.' Treating accidents as assets rather than mistakes turns ordinary recording sessions — or any creative project — into something more authentic and distinctive. Source: Billie Eilish & Finneas O'Connell, Spotify, Bad Guy Song Breakdown"