Outside Clips on Instagram: "In 1982, a Tyrolean choir in the Austrian Alps stunned audiences by performing the Soviet classic Moscow Nights using only tongue sounds—clicks, rolls, and pops—without a single sung note or instrument. The result was an uncanny, fully layered rendition that recreated the melody, harmonies, and rhythms purely through mouth percussion. This bizarre yet mesmerizing technique has roots in European folk traditions, where vocal percussion was used to imitate instruments d