Released in 2013 on the album Pure Heroine, '400 Lux' stands as a defining track in Lorde's early discography. The song exemplifies her signature style, blending indie pop with electronic elements to explore themes of fame, social media obsession, and the paradox of modern celebrity. With its distinctive synth-driven production and Lorde's ethereal vocals, the recording captures the anxiety and allure of the digital age. It served as a pivotal moment in her career, establishing her reputation as a voice for the generation navigating the complexities of internet culture. The track remains a staple of her catalog, often cited alongside hits like 'Royals' for its cultural impact and sonic innovation.