the family business was thirteen-stringed koto and so (japanese harp ). 家業は和琴、筝。
also , in the imperial palace of his half brother , emperor murakami , he was much appreciated and always played the thirteen-stringed koto and a flute at banquets . また異母弟村上天皇の宮中でもことに重んじられて、宴などでは必ず和琴や笛に加わった。
after that , kokyu music developed consequently with jiuta songs using shamisen (with three strings ) and with so music (played with so - thirteen-stringed koto ). その後、胡弓音楽は三味線 (三弦) の音楽である地歌、箏の音楽である箏曲と同時に発展した。