This is my 2nd request on this topic. I've got my act together this time and will quote a portion of the narration which the narrator says are spoken words of Robuck Staples. This is a studio recording: from the sound of his voice, who is the actor / narrator? Name of the recording?
"I was raised on the old Dockery Place. Charlie Patton was a neighbor. On Satuday afternoons I would go to town and those fellows like Charlie Patton and Robert Johnson and Howlin' Wolf would be playing on the streets, standing by the railroad tracks. People pitching them nickles. White and black people, both. The train came through town maybe once that afternoon. And when it was time, everybody would ....
   There's some more, but if the above doesn't work for you, then the rest won't help, probably.