In what year was the album “The Plague” released by Demon?

In what year was the album “The Plague” released by Demon?: The album “The Plague” was released in 1983 by Demon, featuring 8 tracks.
What is the most successful song from the album “The Plague” by Demon?: “The Plague” is the biggest hit from the album “The Plague” by Demon.

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