This song is a remake of a very early Iron Maiden song originally called 'Floating', and which they used to play in their live set during '76 and '77. It is not sure if there are any existing recordings of 'Floating' (Steve Harris may have some), but according to Nicko 'Purgatory' is a speeded up re-arrangement for the Killers album. The lyrics of this song read like a poem, and like most poetry, the meaning is not readily apparent. It might be a continuation of the theme begun in 'Twilight Zone', or it might just be some sort of a dream. It's a good song though.