A highly acclaimed conceptual album utilizing keyboards. It marked the pinnacle of their 1980s progressive metal experimentation. 3. Transition and Turmoil (1990–1998)
"Empire of the Clouds," written by Dickinson, is an 18-minute piano-led epic about the R101 airship disaster, making it the longest song in their discography. Senjutsu (2021)
"The Wicker Man," "Blood Brothers," "Brave New World."