When a song rides on the rhythm, it is called hyoushi-ai, and when it does not ride, it is called hyoushi-awazu. The chanting of byoushi-ai has ” Shidai”, “shita-uta”, ” ue-uta”, ” kuse” etc. single of one of the eight beats as one unit, and it is chanted with a strong awareness is what beat to hit what character of singing chants will be. There are three types of hira-nori, chuu-nori and o-nori, in principle that the hayashi musical accompaniment entering to take rhythm. In addition, byoushi-awazu in the chant has ” kotoba “, ” sashi “, ” issei “, ” Waka ” etc.it is not tied to the beat but there is an appropriate tempo and singing method depending on the part. Hayashi may or may not be included.