How do you read Song Qingsu's songs? Is it a polyphonic word? How to pronounce the word "Bei" under three feet?

Not a polyphonic word?

Interpretation of the word "Song"

Pinyin: song 1?

(1) the name of "mountain ~ mountain", in Henan Province, China. ?

② Height: ~ Mountain (towering peak). ~ Hu (also known as "shanhu").