八部之音

八部之音(bā bù zhī yīn)　“sounds, which consist of eight parts”(?)　

not found at HD. 2.16; not found at DK. 2.20;

73c5.根力、脱門 八部之音 於平等法 而自危削 諸佛之法 有十八事 如是之誼 我已永失(v)

K. 62.2.-; not found at L. 10c26;