“ … Satie’s coining of the word gnossienne was one of the rare occasions when a composer used a new term to indicate a new „type“ of composition. …“ | https://en.wikipedia.org/wiki/Gnossiennes

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“ … gnossienne – n. a moment of awareness that someone you’ve known for years still has a private and mysterious inner life, and somewhere in the hallways of their personality is a door locked from the inside, a stairway leading to a wing of the house that you’ve never fully explored—an unfinished attic that will remain maddeningly unknowable to you, because ultimately neither of you has a map, or a master key, or any way of knowing exactly where you stand. …“ (The Dictionary of Obscure Sorrows)