One name for the french court musicians who were from the nobility, and who composed using a sophisticated form of poetry about courtly love, is:

Troubadours is the correct answer.

The troubadour, or troubairitz (for females), flourished during the High Middle Ages in the South of France and North of Italy. Troubadours were people from the nobility who used freedom of speech and sophistication when composing both songs and poetry about love. Occasionally, troubadours intervened in the political arena, as well.    

answer; john stuart mill's principle of utility is your answer; /// good luck