When were musical drones invented?

The exact time and place of the invention of the musical drone is unknown. However, the use of drones in music can be traced back to ancient times. Drones are found in many different cultures around the world, and have been used for a variety of purposes, including religious rituals, meditation, and dance. In Western music, drones were first used in the Middle Ages, and were later adopted by composers such as Claude Debussy and Maurice Ravel. Today, drones are still used in a variety of musical genres, including classical music, electronic music, and experimental music.