Answer: 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.
The answer is motif :) any reoccurring theme, pattern, idea, image etc. in a work applies to this.
for example, an artist that includes flowers in across all of their work (or a series of it) would be depicting a floral motif. I hope this helps!!
I'd say by rounding and similar techniques the answer is 468, though it doesn't say all the needed numbers.
Answer: have a good Christmas. Hope a tree does not fall on you or a light blinds you or Santa becomes too fat and get get the presents down you chimney or you have a fire and he burns to death. Have a jolly Christmas:)