19. It is thought to represent a battle between the Hero and Fate. 20. It is an example of sacred music.
21. It must be modified to be played on a modern instrument
22. Its melodic leaps are filled in with more and more notes as the piece proceeds.

(18. is E I think) and (19 maybe A) (20. B) (21. D) (22.C)

Explanation: It's an aducated guess

i got this answer from a really friend, and it was right.

hope this you like it me and a special to that dude!

artists need to create a realistic interpretation so that people in general can relate to the artwork. for a common people, an artist's impression gets increased only if he can create something which would look realistic. an abstract is difficult for a common people to understand whereas if a person can draw a girl with simple pencil sketch and if that looks like a real figure then the latter will be praised more than the former.