Enigma variation (谜语变奏曲) Enigma variations（谜语变奏曲） Enigma variations (Mono) Enigma variations Enigma variations / Enigma Variations-Nimrod (谜语变奏曲-第九号变奏) Enigma Variations Enigma Variations Nos.1-14 Enigma Variations, Op.36 Enigma Variations, etc