鋼の錬金術師の曲です。
http://www.youtube.com/watch?v=HDHEpbQAZe4&feature=player_detailpage
http://www.youtube.com/watch?v=bjIFKYafPYQ&feature=player_detailpage
http://www.youtube.com/watch?v=lfEZIXOzU08&feature=player_detailpage
http://www.youtube.com/watch?v=m9QIk9TJZHc&feature=player_detailpage
http://www.youtube.com/watch?v=dSXeybhbKus&feature=player_detailpage