I don't even think whether I play the blues or not, I just play whatever feels right at the moment. I also will use any gadget or device that I find that helps me achieve the sort of sound on the guitar that I want to get.
If you want to be fully convinced of the abominations of slavery, go on a southern plantation, and call yourself a negro trader. Then there will be no concealment; and you will see and hear things that will seem to you impossible among human beings with immortal souls.