The 12,000- to 14,000-year-old figures of dancing humans at Gobustan, the 6,000- to 8,000-year-old figures of dancing humans near the city of Hotan in East Turkestan, the 4,000-year-old Pazyryk zither, and the 1,200-year-old Göktürk bowed lute all attest to the richness of musical...