"goemon's great adventure" continued its predecessor's musical style by integrating modern synthesizers and traditional japanese instruments. the game featured two musical numbers—"smile again", a rock theme song, and "double impact", an updated version of "i am impact" from "mystical ninja starring goemon". two performers from that game returned for its sequel; ichirou mizuki voiced impact's music with sakura tange while hironobu kageyama sang "great adventure"<nowiki>'</nowiki>s theme song. these performances were inexplicably cut from the north american and european releases of the game, leaving the title screen silent and eliminating the impact battle preparation sequence. japanese voice acting in the opening and ending scenes was left in. a team of five composers created the game's main soundtrack, each personally writing several demos and arranging finished pieces. the music of nearly all stages changes in response to the day and night system of gameplay. in normal stages, at night a stage's unique theme slows down and segues into a night theme particular to all levels in a world map. as morning approaches, the evening song fades as the stage's normal theme resumes. in settlements, night themes maintain the arrangement of the day theme, albeit with softer tones and instruments. music also changes within dungeons, usually becoming faster-paced as players advance. one composer regretted that the space limitations of a compact disc would preclude the appearance of night themes on an official release, and stated that timing the musical changes for the system was a difficult process. yet another spoke on the style of "ganbare goemon" music: