Purely History on Instagram: "In 1982, a Tyrolean choir from Austria performed a strange yet captivating rendition of the song “Moscow Nights.” Instead of traditional singing, the group used their tongues to create rhythmic, fluttering sounds that mimicked instruments. The performance blended humor with skill, leaving audiences both amused and fascinated. The choir’s unique technique involved coordinated tongue movements that produced a percussive, almost birdlike sound. Though little is known a