Yoko Shimomura (下村 陽子, Shimomura Yōko, born October 19, 1967) is a Japanese composer and pianist primarily known for her work in video games such as the Kingdom Hearts series. She graduated from the Osaka College of Music in 1988 and began working in the video game industry by joining Capcom the same year. She wrote music for several games there, including Final Fight, Street Fighter II, and The King of Dragons. . Shimomura left Capcom and joined Square (now Square Enix) in 1993, with her first project there being Live A Live.
https://en.wikipedia.org/wiki/Yoko_Shimomura