ARM

ARM (Youhei Kimura) is a central figure in the Japanese doujin (independent) music scene, most notably as a primary composer for the IOSYS circle. His work is synonymous with the 'Touhou Project' arrangement culture, where he helped define a specific aesthetic of manic, high-BPM electronic music known as denpa.

His sound identity is built on a foundation of happy hardcore, gabber, and techno, filtered through a lens of otaku culture and internet memes. Career-wise, ARM transitioned from underground doujin circles to providing tracks for major rhythm games like Beatmania IIDX and Sound Voltex, solidifying his influence on the global rhythm game community. Critically, he is respected for his technical proficiency in vocal processing and his ability to maintain melodic cohesion amidst extreme structural chaos. His influence web connects 90s hardcore techno to the modern hyperpop movement, serving as a precursor to the maximalist pop styles that would later emerge in the West.