 Yamada, a veteran composer for Capcom at this point, worked "with a sense of nostalgia", while the younger designers had to study and imitate the older games.Sound director Yu Shimoda analyzed the audio of the NES "Mega Man" games for several months before beginning the project.Yamada insisted that the game contains no actual NES music, but rather the "spirit of NES music", as no such hardware restrictions were present as they had been during the development of the first six games.