Die Sendung mit der Maus is a German children's television programme first broadcast in 1971, built around short factual stories and the adventures of its orange mouse, the elephant and the duck. Its cheerful opening theme became one of the most recognisable sounds in German television, passed down through generations of viewers. Online, creators outside Germany have adopted the tune as shorthand for a gentle, clever explanation, keeping it alive as a nostalgic meme sound for curious, wholesome content.