I think the blues is fine for blues players, but free blues has never made much sense to me.
The demographic weight of countries such as China and India exercise a massive pressure on our wages and salaries. They have accomplished massive technological advances and the revolution in information technology has reduced the costs of transport.
But when you see personal artifacts relating to - by genealogy at least - a living human being, it was just more impressive to me than just about anything I've ever read about slavery before.