Textbook for learning the performance techniques of the Kokyu (Japanese bowed lute). - Title: Advanced Performance Edition - Author: Toyo Bunka Gakuin (Oriental Culture Institute) - Contents: Textbook on Kokyu performance techniques Thank you for viewing. The inside is clean with no writing, but there are a few creases. Please check the photos. This item has been stored at home for a long time. Would anyone who understands this be interested? Immediate purchase is welcome.