Classic Wiki Pan pipes

The pan flute or pan pipe (also known as panflute or panpipes) is an ancient musical instrument based on the principle of the Closed tube, consisting usually of five or more pipes of gradually increasing length (and, at times, girth). The pan flute has long been popular as a folk instrument, and is considered the first mouth organ, ancestor of both the pipe organ and the harmonica. The pan flute is named for its association with the rustic Greek god Pan. The pipes of the pan flute are typically made from bamboo or giant reed (Arundo donax); other materials used include wood, plastic, and metal.

Source wikipedia

Pan pipes (also known as the panflute or the syrinx or quills) is an ancient musical instrument based on the principle of the stopped pipe, consisting usually of ten or more pipes of gradually increasing length. The syrinx has long been popular as a folk instrument, and is considered the ancestor of both the pipe organ and the harmonica, or mouth organ. The panpipes are named for their association with the rustic Greek god Pan.

Source spiritus

The Lonely Shepherd played by Gheorghe Zamfir on the panpipes youtube video