It is one of the notations to put finger in the flute. The flute of musical notation, was replaced by the play character song there is chanted “Yohya Raa Ihiu Ya” and the like, for example that showed how to deal with finger holes at the time of the “Yo” finger. It is a yubi-duke the way to put finger in the flute. The notation describes seven finger holes, such as “close”, “open”, “half open”, and “hit with a finger”. For example: “●●● ｜ ●● ○ ●” (in order from the left, the index finger, middle finger, ring finger of the left hand, and the index finger to little finger of the right hand are represented). In the actual performance, based on the Yubi-duke, various tones are created by devising ornamental sounds by “played finger” and breathing.