The first one is B flat major , and the second one is f sharp minor
French New Wave is the answer your looking for.
A lot of artists have moved on from this technique, and it is a very recognized middle ages technique.
I’m not entirely sure what the question is asking for, but Jazz music was created in New Orleans. (although it’s roots originally come from Africa and parts of Europe) In the beginning Jazz music was mostly played at funerals and other social events in New Orleans. Depending on what type of jazz you look at, it could be slow/sad/smooth, and upbeat.
Ummm what? I assume you mean what are aesthetics, if so it is makeup and things to make things look better. <span />