Gregorian Chant is named after Pope Gregory I, who Group of answer choices organized a group of composers to write a new set of plainchant melodies. had his name put on the first printed edition of the Gregorian Chant hymnal. was said to have written the bulk of the standard chants, according to later legend. wrote the harmonies and instrumental parts for all of the chants.

was said to have written the bulk of the standard chants, according to later legend.

Explanation:

Pope Gregory was one of the most influential popes there ever was and he is credited with pushing the realm of the Christian faith as well as the Papacy to greater heights.

Popular legend credits him with having written the majority of the Gregorian chant which is a body of chants used by the Roman Catholic church. For this reason the chant is named after him. Modern scholars have however come to believe that it is simply an amalgamation of Roman and Gallican chants.

they most likely have a instrumental version. just look it up on google.