What musician challenged the distinction between folk authenticity and commercial popularity?
Answer: Simon McKerrell
The use of perspective wasn't used during the Middle Ages because that time period was ending (5th to 15th century) when the Renaissance was just beginning (it ran from the 14th to 17th centuries) and the technique wasn't developed until the 15th century, and wasn't as popular into later on when it was more studied and the technique was more used in pieces and developed.
Cuz it's a thing we do when we are doard or we just really love to draw
Answer: a
Explanation: the way the word manic it is describing a high energy