Witches' Sabbath (The Great He-Goat) whose full-length portrait appears in the same series. As with the other "Black Paintings", Goya began with a black background which he painted over with lighter pigments, then with broad, heavy brushstrokes of grey, blue and brown. The darker areas were achieved by leaving the black under-paint exposed; this is most obvious in the figure of the Devil. Like the other works in the series, "Witches' Sabbath" is worked up through heavy, slashing brushstrokes. The plaster was underlaid with thick carbon black before the paint was applied in hues of white lead, Prussian blue, vermilion of mercury, and crystals of
Palacio de los duques de Alba Palacio de los duques de Alba Palacio de Los Duques de Alba is a palace in Piedrahita, province of Ávila, Spain. The palace served as a summer residence for the Dukes of Alba, and currently houses a school. Where once was a medieval castle belonging to the Álvarez de Toledo family, the French architect Jaime Marquet constructed a palace for Fernando de Silva, 12th Duke of Alba between 1755 and 1766. The duke used the palace as a summer residence. His granddaughter María Cayetana de Silva, 13th Duchess of Alba invited to the palace famous visitors such as the painter