This is all much too serious. We have to remember that, back in the 20s and 30s, Southern Country Blues was primarily DANCE Music. It was played, professionally, at Saturday night barrelhouse dances. People got drunk, got into fights, got laid, at these affairs. They had a good time and let off some steam, after a long hard week of back breaking work. To me, this music is mostly joyful and humorous. It swings.

You should try to find an old thread called "How to Sing The Blues". If I find it, I'll refresh it.