Russell Moore has been professionally active for more than a quarter of a century, not exactly making him an old-timer in the field, or rather hills, of Appalachian music. He has carefully balanced a career of picking guitar and mandolin with marvelous versatility as a vocalist. His credits confirm that for many recording artists he is considered enough of an asset in the latter field alone, meaning carrying instrument cases to a session is not always necessary for this Moore, if not every Russell Moore -- which is the cue to mention that the bluegrass and white gospel perform...