Concerning Kokyu in ballad, it is well known that Kokyu is used in 'Etchu Owara bushi' (a song for Japanese folk dance in Etchu - present day Toyama Prefecture) played in "Kaze-no Bon" (literally, wind Bon: Bon is a Buddhist festival for dead ancestors, held in summer) in the Yao area of Toyama City, Toyama Prefecture.
民謡における胡弓としては富山県富山市八尾地区の風の盆で演奏される「越中おわら節」などで使用されるのが有名である。