Lily

Lily's harmony is a single four-chord Aeolian loop repeated without variation across every section. The song makes no harmonic argument for its emotional arc — that work is done entirely by dynamics, synth density, and vocal arrangement. This is a conscious production philosophy shared by Walker and K-391: keep the chord map simple enough that the drop feels inevitable, then let texture and volume do the narrative lifting. The G chord's role as a flat-seventh subtonic rather than a raised leading tone gives the progression its characteristic openness, avoiding the resolution urgency of harmonic minor and letting the loop breathe.

Lily was written by a nine-person collective — Alan Walker, K-391, Emelie Hollow, Oda Loves You, Gunnar Greve, Lars Kristian Rosness, Magnus Bertelsen, Didrik Handlykken, and Marcus Arnbekk — a headcount typical of Scandinavian pop-electronic sessions where melody, topline, and production develop in parallel rather than sequentially. Gunnar Greve Pettersen served as executive producer, helping steer the project toward its final form at MER Studios.

Released December 14, 2018, as part of the 'Different World' album on Sony Music, 'Lily' emerged from a nine-person Scandinavian writing collective that included Alan Walker, K-391, and vocalist Emelie Hollow. The song balances a melancholic verse against a bright, driving drop — a tension-and-release dynamic that became a calling card for Walker's mid-career output. Its nearly 1.5 million Last.fm plays reflect a dedicated fanbase within melodic electronic music.