I know that books I have written will still resonate in 50 years - particularly 'My Sister's Keeper.' It has sold three million copies in the States alone. I strongly feel that, as a novelist, you have a platform and the ability to change people's minds. ↗
Another thing to do with the blues is how they were recorded. They were done on the quick, and some of that stuff was made on wire, not even tape, let alone digital. ↗