Matsumae is best known for composing the legendary music for the original Mega Man (1987), including its iconic "Game Start" jingle. Following her departure from Capcom in 1991, she became a freelance video game music composer. The soundtracks she worked on afterwards include the Derby Stallion series, The Adventures of Lolo,Jade Cocoon 2, Dragon Quest Swords: The Masked Queen, Shovel Knight, and Mighty No. 9. In more recent years, Matsumae has returned to the Mega Man series via Inti Creates, serving as a regular guest arranger for its album releases and joining several other former Mega Man composers in creating the Robot Master themes forMega Man 10 (2010).