I believe it changed due to the change of culture in the era. When you look at modern architecture it looks totaly different from 40 some years ago. Because of this change in the architecture, since most likely it was the culture change it was significant to the eyes of the church-goer of the time because no one has seen anything like it.
Answer:
Filippo Brunelleschi
Explanation: His is considered the first Renaissance architect.
Answer 2 is the right answer if this is in 4/4
Music can be an object of memory because sometimes something important might be happening when you hear a song and the next time you hear that same song it brings back that memory.
Sorry, I don't know how to answer the second question.
