Anthony was listening to his IPad at a comfortable level of about 80 dB of SPL. Suddenly his Mom powers up her new industrial vacuum cleaner outside his room causing him to miss his favorite part of the song. This is an excellent example of

The answer is a. dramatic movement

B. is the correct answer.

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.