In one of the most jaw-dropping moments in America’s Got Talent history, a 78-year-old woman took the stage expecting polite applause — and ended up breaking reality itself.

The contestant, who introduced herself simply as a retired music teacher and grandmother of six, stood humbly before the judges. When asked what brought her there, she replied, “I’ve always believed music keeps you young. Tonight, I’m here to prove it.”

Then she sang.