Mouth Hole Finger Hole Membrane Auxilliary Tone Hole   The Dizi is a transverse flute made of bamboo. Pitch is regulated by a set of holes along the tube. With a probable origin from Central Asia or Tibet where it was played on horse back as a morale-booster for the troops, the Dizi was first introduced into China around 187-140 B.C. It is used in many kinds of music - solo, opera, drama, songs and dances.