What is the combination on reed flute in mythology?

In Greek mythology, Pan, the mischievous god of fields, shepherds, and flocks, is commonly associated with playing a syrinx or panpipes, which is a musical instrument made from a set of graduated pipes bound together and played by blowing across their open ends. The god Apollo was also linked to playing the reed flute at times. However, the specific combination for a reed flute is not mentioned in mythology; Pan's pipe or the syrinx is the primary reed instrument depicted.