The pan flute or pan pipe -LRB- also known as panflute or panpipes -RRB- is an ancient musical instrument based on the principle of the Closed tube , consisting usually of five or more pipes of gradually increasing length -LRB- and , at times , girth -RRB- .

The pan flute or pan pipe -LRB- also known as panflute or panpipes -RRB- is an old musical instrument that has five or more pipes of gradually increasing length -LRB- and , at times , girth -RRB- .
