Revolution of the heart

Music has alwas been a steadfast front line means of expressing what the heart seeks, especially during turbalent times of change in our world. Often it is resisted with a passion by the atatus qua while other times it is the leading edge of the change. But because the heart is is the deepest symbol of what we are thinking, feeling, and desiring, the interior change we may be experiencing is best expressed by art and music specifically. So when humanity is at the crossroads of social upheaval and (r)evoolution, is it no wonder music is one of the main vehicles to mobilize and agitate change?