Killen., the alias of Swedish producer Kasper Almqvist, emerged as a prominent electronic act in 2024 with a sound defined by driving beats and melancholic, emotive melodies. Based in Stockholm, he transitioned from a background in production for major artists like Swedish House Mafia and RL Grime to crafting his own genre-defying electronic and alternative dance music. His debut EP Highlight and subsequent singles like ONANON and Mojo have garnered significant support across BBC Radio 1 and Nordic airwaves, earning him a Swedish Grammy Award for Best Electronic Act. His aesthetic balances chill atmospherics with high-energy, pulsating synth work, often described as a fusion of emotional depth and club-ready momentum. Killen. stands out for his ability to bridge the gap between introspective, headphone-friendly soundscapes and the expansive energy required for festival stages.