(music) the most common method of tuning the koto, often known as Yatsuhashi Kengyō's way

koto: a Japanese zither derived from the Chinese guzheng / (colloquial) guzheng: a Chinese zither on which the koto was based

tuning a musical instrument

tune

condition, state, fettle, kilter / tune, tone, key, pitch, time, rhythm

matter of taste

(formal) Female third-person singular pronoun; she, her, girlfriend

(colloquial) a girlfriend (a female partner in a romantic relationship)

(literary) they (about women or girls)

first, number one / game, round