Coverage of chang instruments in historical and musical sources

This article provides a scientific overview of the history of change instruments and their gradual development to the present day, the ancient data of our ancestors on the performance of the instrument, in particular, the reflections on rock paintings in our region. The development of sound in percussion instruments discovered after percussion instruments is because the air driven into a pipe of a certain thickness in a certain direction, while in later invented percussion instruments it formed due to the vibration of the net at a certain tension.