Very strange ways people have, the more we assume we are evolved the more we are getting stuck in the lower levels of devolution and illusory assumption of being civilized. But somehow somewhere few groups of people still believe that there was a time when we were truly evolved, not religiously but spiritually.
Even the ancient texts vouch for it for many references of the heavenly sound and its prophecies or commands or warnings that even the greatest Gods or people had to follow or feared. These texts even now form part of major religions and all the religious followers believe with all the faith of a true devotee without realizing that they have actually they are moving further and further away from the divine self they truly are.