Nope.
Clue #1: One songwriter.
Clue #2: One of the longer tracks on its respective album.
Clue #3: Played live by more than one lineup.
Clue #4: Mr. Murray
Wrong Guesses: Empire of the Clouds, Flash of the Blade, Cross-Eyed Mary, To Tame a Land, Fear of the Dark, Mother Russia, Phantom of the Opera, The Clansman, Powerslave