What's the pronunciation of the operator?

Two pronunciations of Bu (b incarnation) and Bo.

In the operator bu, the pronunciation of bu is (b incarnation)

Oracle Bone Inscriptions operator: epigraph name, several names used in Luo Shi, called Oracle Bone Inscriptions operator. The word "Gu" seems to support and sell divination, which means selling divination. ?

Operator: This song was popular in the Northern Song Dynasty. Wanshu's rhyme is thought to be from "fortune teller". Two tones, 44 characters, and two rhymes. You can also insert words on two knots, turn five-character sentences into six-character sentences and put them in the third bean. Song Jiao Fang reinterpreted it as a slow song, and the collection of movements entered the "Xiezhi Tune". Eighty-nine words, the first four rhymes, the last five rhymes.

This poem belongs to poetry, because it imitates folk songs, so it has the flavor of folk songs, and it should be written by people. At the same time, it has the characteristics of exquisite conception and profound meaning.