The system of gakunin was that the 51 gakunin in sanpogakuso were ranked into three classes of advanced-level artists, intermediate-level artists, and secondary-level artists, art charges were additionally given as wages to those at the advanced level and the intermediate level.
三方楽所の51名の楽人は上芸・中芸・次芸の3階級に分けられ、上芸・中芸の者には芸料が加給される仕組みであった。