Most people know Al Stewart as the author of some song about cats. This work antedates that. I just learned off Wiki that Stewart admitted that the song was "about" Aleksandr Solzhenitsyn.
Don't be distracted by the visual images in the video. Maybe close your eyes instead. The lyrics are rich in simile and metaphor. Kudos. My favorites lyrics are:
"...riding the wind like a bell..."
"...in the footsteps of Napoleon the shadow figures stagger through the winter..."
"...two broken tigers on fire in the night, flicker their souls to the wind..."
"...and the steely Russian skies go on forever."
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The song has a surprise ending, consistent with Solzhenitsyn.