ON THIS DAY IN OCCULT HISTORY MARCH 14 Verdi’s Macbeth: The Most Dangerous Play in the World (Affiliate disclosure: Some links on this blog may earn us a small commission at no cost to you. Every bit helps keep the lantern lit.) On the night of March 14, 1847, the curtain rose at the Teatro della Pergola in Florence on an opera unlike anything the Italian stage had seen before. There was no tenor hero. There was no love story. There was no heroine to be rescued, no noble sacrifice, no redemptive finale in the accepted Italian operatic tradition. What there was instead was a Scottish general receiving a prophecy from three witches on a battlefield, murdering his king in the dark, and being destroyed—slowly, inexorably, magnificently—by the consequences of having listened. The composer was Giuseppe Verdi, thirty-three years old, already one of the most celebrated figures in Italian music. The opera was his tenth. And it was, he would later write to the man who had raised him, the wor...