Once a disease has entered the body, all parts which are healthy must fight it: not one alone, but all. Because a disease might mean their common death. Nature knows this; and Nature attacks the disease with whatever help she can muster. ↗
I think the whole question of meaning in music is difficult enough even if you hear me playing live right now in the same room! What I mean and what you take from it may be two quite different things anyway. ↗