There are a bunch, it's hard to choose just one. So here are, what I say, are the best:
Phantom Of The Opera
Children Of The Damned
Hallowed Be Thy Name
Revelations
The Trooper
Aces High
2 Minutes To Midnight
Powerslave
Rime Of The Ancient Mariner
Wasted Years
Alexander The Great
Infinite Dreams
The Clairvoyant
Fear Of The Dark
Sign Of The Cross
The Clansman
The Wicker Man
Out Of The Silent Planet
Montsegur
Paschendale