Witches' Sabbath (The Great He-Goat) powdered glass, orpiment and iron oxides. He likely worked with mixed materials. Technical analysis indicates that most of the Black Paintings begun with preparatory drawings. "Witches' Sabbath" is the exception; the final composition seems to have been painted directly onto the wall. Art historian Fred Licht notes that Goya's brushwork appears "clumsy, ponderous, and rough" and lacking finish compared to his earlier work. Licht believes this was a deliberate ploy to physically convey dismay at human inadequacy and his own feelings of personal doubt. Unique in the series, "Witches' Sabbath" was not significantly altered by Goya after his initial work.
Witches' Sabbath (The Great He-Goat) any of the fourteen "Black Paintings"; their modern names came about after his death. They are not inscribed, mentioned in his letters, and there are no records of him speaking of them. The works today are known by a variety of titles, most of which date to around the 1860s: his children were largely responsible for the names, with close friend contributing the rest. The title "El Gran Cabron" ("The Great He-Goat") was given by painter Antonio Brugada (1804–63). The Basque term for a Witches' Sabbath, "akelarre", is the source of the Spanish title "Aquelarre" and a derivation of "akerra",