The Good Shepherd Quartet of Pennington Gap, Virginia, with their brand of archaic mountain quartet singing with guitar accompaniment (or sometimes a cappella), have won considerable recognition over the years with their traditional vocal harmonies. As one member observed, We sing the old style that was sung here in these mountains back fifty or sixty years. … We sing shape notes which is sort of a dying thing.
Originally singing a cappella, they did eventually add a regular and a bass...