Although there are still many who would brand drawing as a minor art by relegating it to the category of the preparatory sketch—painting of course being considered the definitive medium—“Ese oscuro interior” (That inner darkness) presented drawing as an artistic practice of the highest order. The three artists whose work comprised this show—the Austrian Günter Brus and the Spaniards Luis Gordillo and Zush—were brought together under the umbrella of “the visionary experience,” which the show’s curator, José Miguel G. Cortes, defines as “a whole gamut of sensations . . . belonging on the other