Neofolk singer-songwriters Akiko Shikata and Haruka Shimotsuki teamed up together for the song "EXEC_with.METHOD_METAFALICA/.", composed for the Ar-Tonelico soundtrack in the cinematic style of the series. It mixes parts of "METHOD_METAFALICA/.", by Akiko Shikata, and "EXEC_METAFALICA/.
Jo Young-wook, sometimes credited as Jo Yeong-wook or Cho Young-Wuk, born on January 1, 1962, is a South Korean composer of film music, especially known for his music for the film Oldboy and other films of Park Chan-wook.