Tsuru no sugomori is one of the most virtuosic shakuhachi honkyoku compositions, of unknown origin and history. It requires the player to render many if not most of the interesting techniques of blowing that are unique to the shakuhachi, including tamane and korokoro. It also showcases the creative variation of tone color as an expressive tool The piece depicts the life of a crane and the birth of young cranes. This piece is played on a Hozan 1.8 length shakuhachi