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Hérésie is a double 10" extended play box set by the Irish post-punk band Virgin Prunes. It was released in November 1982 by L'Invitation Au Suicide, which had commissioned the band to create a work dealing with the concept of insanity. It was released simultaneously with the band's debut studio album, ...If I Die, I Die.
The Hérésie package also contained five booklets. The first 10" disc, consisting of seven songs, functioned as a soundtrack to the booklets. The second disc was a live recording of Virgin Prunes at the Rex Club in Paris in June 1982.