The Gust sound team of Akira Tsuchiya, Ken Nakagawa and Daisuke Achiwa returned from the first game to compose the music for this game, as did Haruka Shimotsuki, Takashige Inagaki and Akiko Shikata for the composition of several of the songs and Hymns.
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All four singers from the first game returned to sing the songs and Hymns of this game's Reyvateils: Luca - Haruka Shimotsuki, Cloche - Akiko Shikata, Jacqli - Noriko Mitose, Reisha and Frelia - Yuuko Ishibashi.
Each Reyvateil has their own singer (who is different from their voice actor in both Japanese and English versions) who performed their Songs and Hymns: Aurica: Haruka Shimotsuki, Misha: Akiko Shikata, Shurelia: Noriko Mitose and Claire: Yūko Ishibashi.
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Haruka Shimotsuki, Takashige Inagaki and Akiko Shikata also contributed composition for several of the songs and Hymns in the game.
The theme song to Caucasus, entitled "Snowdrop", was performed by Haruka Shimotsuki.
Shimotsuki has also formed a group with Rekka Katakiri and Chata many times, and they have been good friends for a long time.
Have been friends with Haruka Shimotsuki and Chata for a long time, and have formed groups with them before.