pan flute

The siku is an Andean pan flute This pan flute from the Solomon Islands is made from bamboo bound with reeds and rope

A pan flute (also known as panpipes or syrinx) is a musical instrument based on the principle of the closed tube, consisting of multiple pipes of gradually increasing length (and occasionally girth). Numerous varieties of pan flutes have been popular as folk instruments. The pipes are typically made from bamboo, giant cane, or local reeds. Other materials include wood, plastic, metal, and clay.