The museum guide quietly closed the exhibit early after recognizing her own handwriting on the wall. The message was hidden behind a frame. Just four words: Play Track Twenty-Seven. The exhibit's audio guide only had twenty-six tracks. Curiosity got the better of her. After closing, she entered the control room and accessed the archived recordings. Buried in the system was an unlabeled file. Track 27. She pressed play. A voice filled the room. Her voice. Not recorded today. Older. Terrified. "If you're hearing this, I didn't get out." Her hands began shaking. The recording continued. "I found the exhibit before it was discovered. Time doesn't work properly inside Gallery B." The voice described events that hadn't happened yet. Power failures. Evacuations. The exact conversation she'd had with the curator three hours earlier. Then: "At 8:04 PM, an announcement will play across the city. Don't listen to it." She checked the clock. 8:03. Too late. Every speaker in the museum activated. Outside, car alarms fell silent. Birds dropped from the air. The announcement began. One sentence. One impossible sentence. Something humanity was never meant to understand. When it ended, everyone stood frozen for several seconds. Then life resumed. Traffic moved. People blinked. Birds flew again. The announcement ran exactly once, and then the sky went back to normal.