The long, thin rectangle above the front door is called a door frame.
The stronger contrast in value between an object and the background, the more visual weight the object has. the stronger the contrast in value between an object and the background, the more visual weight the object has. dark values appear heavier than light values.
Explanation:
The answer is A. Vibraphones.
strings is the family that includes violins, cellos, guitars, etc.
brass includes trumpets and the tuba, etc.
percussion includes drums, tambourines, etc.
Guido d'arezzo contributed to the development of musical notation. Option B. This is further explained below.
Who is Guido d'arezzo ?
Generally, Guido d'arezzo aka Guido d'Arezzo, was an Italian High Medieval music theorist and educator who lived from from 991 to 1033.
In conclusion, He was a Benedictine monk who is widely recognized as the creator of the current staff notation, which profoundly impacted the evolution of Western musical notation and practice.
Read more about Guido d'arezzo
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Because you can express your felling onto it pls mark me braliest