What makes La La La by Sam Smith notable?

'La La La' achieved significant commercial success, reaching number one on the UK Singles Chart and earning multi-platinum certifications. The song also contributed to the rise of Smith's career, showcasing their unique vocal style and paving the way for future hits. At the time of its release in 2013, Sam Smith was emerging as a prominent voice in pop music, following their feature on Disclosure's breakthrough track 'Latch.' 'La La La' marked one of Smith's early solo successes, establishing them as a notable artist in the contemporary music scene.