Poetry- "writing that formulates a concentrated imaginative awareness of experience in language chosen and arranged to create a specific emotional response through meaning, sound and rhythm." 3a. "something likeened to poetry esp. in beauty of expression."
3b. "poetic quality or aspect (the --- of dance)."

Song- 1. "the act or art of singing."
2. "poetical composition."
3a. "a short musical composition of words and music."
3b. "a collection of such compositions."
4a. "a distinctive or characteristic sound or series of sounds."
5a. "a melody for a lyric poem or ballad."
6a. "a habitual or characteristic manner."
etc.

(One of the definitions for doggerel- "marked by triviality or inferiority.")

Those are pretty broad definitions; all are from Webster's Collegiate Dictionary.

Should stringsinger be obeyed? Or should he be renditioned?