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"The Sword of Etheria's" music was composed by Yamane and arranged by Naoto Suzuki. The game's soundtrack was commercially released in a two-disc format on July 20, 2005 in Japan. The soundtrack features an arranged version of the song "Polovtsian Dances", played during the opening sequence of the game, performed by Martha Matsuda. A remixed version of the song was featured in another Konami game, "Dance Dance Revolution Extreme 2", along with footage from "The Sword of Etheria." As the game was released in Europe and Japan, it was not released in the United States.