PERSON@1 , sometimes spelled PERSON@2 , -LRB- c. NUMBER@1 -- April NUMBER@2 -RRB- , was an important Medieval MISC@1 poet and composer .

PERSON@1 -LRB- pronounce : `` GHEE-yoam de MA-show '' -RRB- -LRB- born around NUMBER@1 ; died April NUMBER@2 -RRB- , was a Medieval MISC@1 poet and composer .
