Answer:
Concentric circles share a common center (the same center).
Nationalism and exoticism.
(Also, expression may be present in Romantic music, I'm not 100% sure about that though.)
The artist is using the appeal of pathos (emotional response). They play on the viewers association of the sky with endlessness, as it is often described as such. Additionally, most people associate the sky with birds which are used as mascots which hold value for freedom, like America's bald eagle. Lastly, people have an involuntary reaction to positive stimulus by smiling.
1. staff
2. a white key
3. tell musicians how to figure the names
4. treble and bass
5. it tells you where g is
6. a b c d e f g
7. leger lines
8. bass
9.5
not sure of 10
