宫商角徵羽

gōng shāng jué zhǐ yǔ

pre-Tang names of the five notes of the pentatonic scale, corresponding roughly to do, re, mi, sol, la

gōng

palace

shāng

commerce

jué

role (theater)

zhǐ

4th note in the ancient Chinese pentatonic scale 五音[wu3 yin1], corresponding to sol

feather