Best Bluegrass Gospel Quartets

Bluegrass isn't all hot pickin' and fiery fiddles. A gospel set featuring a vocal quartet singing in high lonesome harmony was a standard part of classic bluegrass shows (and still is for trad revivalists). From old-schoolers like Ralph Stanley and Jimmy Martin to torchbearers like Rhonda Vincent, hear what happens when bluegrass gets its gospel on with a fearsome foursome.