The sound comes from Plantão, the breaking news interruption used by Rede Globo in Brazil to break into its schedule with urgent reports. Its dramatic sting became instantly recognisable across the country because it only appeared for major events, creating a shared sense of alarm. Online, Brazilian creators detached it from real news and reused it for jokes, football updates and everyday announcements, and the format spread through WhatsApp and video edits as a universal signal that something supposedly huge is about to be announced.