Conversation so far:
What is the joglars?
a distinction was definitely being made between an inventor of original verse and the performers of others'.
These last were called joglars.
Are there any other interesting aspects about this article?
joglar was a courtly entertainer (as opposed to popular or low-class one) and a troubadour was a poet and composer.
WHo used them?
CANNOTANSWER.

Question: can you tell more more about what role the joglars payed?
Self-contained rewrite: tell me more about ,What role did the joglars play ?