A majority of the series background music was written by Japanese composer Shigeaki Saegusa. The melodies of the two opening themes and sole ending theme were written by American pop singer/songwriter Neil Sedaka. The first opening song used is called which was performed by Mami Ayukawa, and used for the first twenty-three episodes. Zeta - Toki wo Koete was based upon the song "Better Days are Coming" from Sedaka's 1972 album Solitaire. The second opening song used is entitled and was performed by Hiroko Moriguchi, this second opening song is used in episodes twenty-four to fifty. The song "Mizu no Hoshi e Ai wo Komete" was derived from an unreleased song entitled "For Us to Decide".
a majority of the series background music was written by japanese composer shigeaki saegusa the melodies of the two opening themes and sole ending theme were written by american pop singer/songwriter neil sedaka the first opening song used is called which was performed by mami ayukawa and used for the first twenty-three episodes zeta - toki wo koete was based upon the song "better days are coming" from sedaka's 1972 album solitaire the second opening song used is entitled and was performed by hiroko moriguchi this second opening song is used in episodes twenty-four to fifty the song "mizu no hoshi e ai wo komete" was derived from an unreleased song entitled "for us to decide"