"Empire of the Clouds" is notable for being the band's longest ever song, at over 18 minutes in length, and features Dickinson on piano for the first time, which is how the song was written.
"Empire of the Clouds" destaca por ser a canción máis longa da banda, con 18 minutos de duración, e nela aparece Dickinson ao piano por vez primeira, que é como foi composta a canción.