Unforgettable Concerts on Instagram: "EXIT LIGHT. ENTER NIGHT. 🌑⚡️ In 1991, Metallica played Enter Sandman before 1.6 million people in Moscow—one of the largest crowds in history. It wasn’t just a concert. It was a seismic event. A tidal wave of the Black Album’s power crashing into a city still opening to the world. Soldiers in uniform turned into headbangers, fists flying, voices roaring like it was their first gig. James Hetfield prowled the stage like a caged animal, every lyric spit with