You and I my friend are on the same page here...I think. I did a similar post earlier this year...
here where I asked if there was such a thing as bad music. You are far more eloquent in presenting your discussion though !!
For me there is no such thing as bad music ... but I have some music which for me is very difficult to listen to ... {glances in the direction of @edje ...anticipates his frown of disapproval} Electronic music being one... and my pet dislike is country and western