Shino-bue originated in ancient India.It is said that a whistle transmitted from China and the Korean Peninsula is a prototype,
with Buddhism.Dry the bamboo and make a hole.

It is used in Japanese festival music and folk songs in Japan.From a sharp sound to a soft sound, you can make various sounds.
Basically do not use tonguing.Use fingering to change the sound.That performance method creates a unique atmosphere of Shino-bue.