July 13, 1985. Wembley Stadium. 72,000 people. And then Freddie opened his mouth. 🎤 This wasn’t a rehearsed moment — the “Ay-Oh” call-and-response started as pure improvisation back in Montreal in 1978. By Live Aid, it had become something else entirely. That 30-second a cappella exchange with the crowd became known as “the note heard around the world.” No backing track. No safety net. Just Freddie Mercury bending an entire stadium to his will. A poll of over 60 music industry insiders later vo