Being non-commercial is never an ambition. Movies come together at different points for fortuitous reasons. You do them as you get the opportunity, as opposed to doing them when you choose to or design to.
I have never had feeling in my toes. My uncle, Gen. Norman Schwarzkopf, once told me in confidence he had the same syndrome, leading me to believe it is genetic.
The mountain music... is compelling music in its own right, harking back to a time when music was a part of everyday life and not something performed by celebrities.
When the movie's done, you talk about either the score or source music over a particular scene, what might work. You just throw a piece of music over the scene, and we both listen to it.
Dave Van Ronk, for those who don't know him - probably most don't know - was a folk singer. He's kind of the biggest person on the scene in 1961 in the folk revival in Greenwich Village, biggest person on the scene until Bob Dylan showed up.