I think it will stay the same. Because there is still really old stuff like London After Midnight etc to be found. And even though we are much better at preserving media than we used to be, some modern pieces will always slip through the cracks for whatever reason.
He cut his trail of tears across the countryside And where he went, women wept and men died One night he woke from a vision of his own death Saddled his pony and rode her deep into the West