While working for Capcom, she was a member of the company's in-house jazz band Alph Lyla, and composed the soundtrack of Street Fighter II.
In 1993, Shimomura transferred to another game company, Square (now Square Enix). Her first project at the company was the score for the console role-playing game (RPG) Live A Live in 1994. Afterwards, she was paired with more experienced composers for a time. For example, she teamed with Noriko Matsueda on the strategy/RPG Front Mission in 1995
Quatro anos de trabalho duro!Neste mês de maio fizemos quatro anos no ar. Continuamos trabalhando na divulgação deste maravilhoso instrumento, obrigado por participar da nossa história!