He was born on February 18, 1974, in Yokohama, Kanagawa Prefecture. He was a descendant of the 16th-century daimyō Takeda Shingen. He was also a practitioner of Zen Buddhism, which had a strong influence on his melodic music, much of which had spiritual undertones: he incorporated scale and key changes and time signatures in a way that would mathematically reference Zen concepts, such as angles of holy temples or mountains, meditative breathing rhythms or lucky numbers. The first video game he ever played was Taito's Elevator Action. He never had any formal education in music, but was entirely self-taught, and had often experimented with synthesizers since he was young. His musical influences included electronic music band Yellow Magic Orchestra and video game composer Yuzo Koshiro. During high school, Umemoto began doing freelance projects for personal computer game soundtracks. His first assignment was for the company FamilySoft, after sending them some demo works. During the 1990s, he composed the soundtracks for various personal computer games, establishing himself as a commercial musician. From 1992 to 1993, he worked for FamilySoft, producing soundtracks for mostly anime-based games, including several based on the mecha anime franchises Gundam and Macross. He also arranged some of the tracks in the 1995 "PMD" arrangement CD for Princess Maker 2. He then worked as a freelance musician on various projects for other companies such as C's Ware and ELF Corporation, often working closely with scenario writerHiroyuki Kanno whom he became friends with. His first major projects were for several C's Ware visual novels, beginning with the 1994 title Xenon, an erogespace stationadventure game. He had to meet tight deadlines for C's Ware, often under two months while working on simultaneous projects. He also composed the soundtracks for other C's Ware visual novels such as Desire and EVE Burst Error. He then worked with ELF, for which he composed the soundtrack for their most famous visual novel, '. In later years, he expanded his range of activity as an arranger, conductor and sound director. From 2007 to 2008, he began working for D4 Enterprise, establishing the ARTDINK sound department with former employees of ThinkRidge. He began gaining more international attention for his work with the company CAVE in the last few years of his life, producing soundtracks for bullet hell shooters such as ', Mushihime-sama Futari: Black Label, Espgaluda II: Black Label, Akai Katana, and NIN2-JUMP. On August 16, 2011, he died of chronic bronchitis at the age of 37.
Soundtracks
Soundtracks composed by Umemoto include the following: 1992:
