Snakebone Mansion is a musical track from Radical Dreamers: Nusumenai Hōseki, scored and composed by Yasunori Mitsuda. With a total playtime of two minutes and forty-eight seconds, "Snakebone Mansion" serves as the sixth track on original soundtrack. The song serves as the main background theme for Viper Manor. Sounding similar to Chrono Cross 's Viper Mansion, the song employs elements of mystique and sleuth to help establish the atmosphere that Serge, Kid, and Gil forcefully enter the mansion. In Japanese media, Viper Manor is known as "Snakebone Mansion" or "Jakotsukan".