Explain briefly some of the reasons for studying the life of a famous person like a composer.

Some of the reasons you might want to study the life of a famous composer i.e. Mozart, are to learn more about the story behind their music, information about their life that no one has discovered yet, or other mysterious things about the composer that no one knows about.

2.25 because you subtract the two

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.