Is "nouveau folk " different from "nu-folk"?

"traditional performance"
Often taken as meaning unaccompanied singing. In the context of "outside the realm of..." I guess he means using instrumentation and arrangements that wouldn't have been used in the context where the songs were originally transmitted from generation to generation, but how should I know, as I'm not familiar with the material he refers to.

Anahata
(+ I'm rambling, having imbibed a pint of Tanglefoot in an attempt to counteract the heat)