had previously co-produced the music for Lunar: The Silver Star. The game utilizes studio-quality Red Book audio for one of the two vocal songs. (Both are CD tracks in the US version.) Every other piece of music was encoded into 16 kHz PCM files. Dialogue and certain ambient effects also used the PCM format. Most sound effects were generated through the Sega Genesis sound processor. Along with music director Isao Mizoguchi, Iwadare's goal was to produce music that contained "a high degree of originality" when compared to both the previous game and role-playing games in general. While the original game's music represented a number of styles and genres, Iwadare purposefully narrowed his range of composition to give the songs a unified feel. The English version contains an original title not found in the Japanese release, named the "Star Dragon Theme". It was used as the BGM for the Star Tower dungeon. The game's ending theme, "Eternal Blue ~Thoughts of Eternity~" (ETERNAL BLUE) performed by Chisa Yokoyama, is one of Iwadare's favorite compositions. An official soundtrack featuring selected tracks from the game was released in Japan on February 22, 1995 by Toshiba-EMI Records. Voice Lunar: Eternal Blue features spoken dialogue during cutscenes and specific points in the game's script. While The Silver Star contained only fifteen minutes of voiced content, Eternal Blue features over an hour and a half of pre-recorded speech. The game's cast consists of fifteen voiced roles, with the original Japanese version featuring veteran anime and video game actors, including Rokurō Naya returning as Ghaleon. For the game's English version, Working Designs hired friends and staff of the game's production crew, many of whom had worked on previous projects with the company. John Truitt also reprises his role as Ghaleon, and is joined by a number of new cast members to the Lunar series, many of which would return in future games. The Japanese release of Eternal Blue was preceded by a spoken drama album called Lunar: Eternal Blue Prelude in June 1994 featuring the game's future voice cast performing skits and songs in-character to promote the game. When the game was released the following December, it was packaged with an 8 cm music disc called the Lunar: Eternal Blue Premium CD featuring short conversations by Lucia and Lemina, as well as in-character theme songs. In the months following the game's release, a two-volume drama album set featuring