I suppose this could vary based on opinion, but I think that the opposite of music is noise, or silence.
Dynamics
Yes!
contrasts, differs...
obvious, plain, clear, unpuzzling
Chiaroscuro
nerazaw
It depends on the context in which you are using the word. Try: understatement, insignificance, minimise or unimportance?
This was named impressionism.
Dependence is the opposite of independence. Subordination is another antonym for independence.
No, the word "however" is not a preposition. Instead, it is an adverb that is used to show contrasts or introduce a counterpoint in a sentence.
Contrasts II was created in 2007.
A Life of Contrasts was created in 2002.