In the book, Obituaries from Tennessee Newspapers by Jill Garrett, there is a lengthy article about a man who was lynched and in it there is mention of Jesse and Frank James and Jesse is also referred to as J.D. Howard.
Here is the part that mentions Jesse and Frank:
"I also knew Jesse and Frank James very well having had business with both of them, particularly with Jesse when I knew him as J. D. Howard... who was in jail here for assaulting one Steven Jackson, a noted guerrilla. Jesse, then lived in Humphreys County on Big Bottom of Duck River and was a farmer at home. Frank was a teamster, hauling logs...
If you want me to scan and email the pages of this story to you, I can. There is no mention, that I see of fiddle playing.