Bang a Gong - T Rex
Hmm, Folk vs Bluegrass, maybe that encapsulates the thing. I'd stick with a proper five.
If it's tuned the same, the folk banjo strings would be a little slack, easy on the fingers but lacking an essential tension.

One version of hell would be Joan Baez playing with Pete for eternity.
Amazing that he backed the HUAC down. Have to admire a guy who gets it done. I'm going to look that up, being public hearings there's bound to material on the Net, it should be very interesting.