Please don’t take what I am writing as racist, I am looking at influences and how that differed by race. I find it interesting.Your reading of the society conditions related to music are so filled with ignorance and biases that i cannot even correct you in few words...
I think you were arrogant and now i think you are pathetic....
Do you really think that poverty affect differently people depending on race?
The reason for the decline is decline in general education, music included, and technological dependency....Time spend on a computer is not time spend on study and playing violin....
Bob Dylan was litterate for example that has nothing to do with race....And Rap is all in the text, metaphor and poetry....Because of the situation of black people in US the most strong expressive means chosen was Poetry on a beat....
Education subordination to money explain social condition not races distinction....