Passenger's 2012 single "Let Her Go" stands as a defining acoustic ballad of the modern indie-folk revival. Recorded for the album All The Little Lights, the track features Rylee Walker's distinctive, breathy vocal delivery paired with a minimalist arrangement that emphasizes emotional vulnerability. The song's narrative explores the bittersweet nature of parting ways, capturing a universal sentiment of loss and nostalgia that resonated deeply with listeners worldwide. Its melodic structure and lyrical honesty propelled it to the top of the UK Singles Chart, establishing Passenger as a leading figure in contemporary singer-songwriter music. The recording's production style, characterized by intimate instrumentation and raw vocal performance, became a hallmark of the genre's shift toward stripped-back, emotionally direct storytelling in the early 2010s.