法界坊は永楽屋のお組に横恋慕するが、お組は手代の要助に恋をしている。

Hokaibo falls in illicit love with Okumi of Eirakuya, but Okumi is in love with Yosuke who is tedai (assistant manger) of the shop. - Wikipedia日英京都関連文書対訳コーパス

江戸時代から幕末･明治期にかけて大いに流行し、演歌師や法界屋、更には瞽女等にも演奏された。

It became popular from the Edo period to the last days of the Tokugawa shogunate and Meiji period such that it was played by enka-shi (street performer of pop songs), hokai-ya (performer singing Hokai-bushi - Japanese traditional songs) in Kadotsuke (performance in front of the gate of houses) and goze (blind female who sings or plays shamisen (three-stringed Japanese banjo) as well. - Wikipedia日英京都関連文書対訳コーパス