Eufonius is a Japanese progressive pop rock music group which debuted on October 11, 2003 with the release of their first album Eufonius which was also an independent release. The band has produced songs for various anime and video games, such as Kashimashi: Girl Meets Girl, Himawari!, Noein, True Tears, Yosuga no Sora, Kokoro Connect, Shinkyoku S?kai Polyphonica and visual novels like Key's Clannad and Favorite's Irotoridori no Sekai. The band is composed of two primary members, Riya?who provid...
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