The pair of sister string players take the category at the 22nd Annual Americana Honors & Awards.
The guitar picking phenomenon takes home the trophy for the second year in a row.
The North Carolina folk-rockers were honoured during Wednesday night's Nashville ceremony.
The Kentucky crooner took home the honor for his self-produced Can I Take My Hounds To Heaven?
The long-tenured songstress claims the trophy thanks to her self-penned tune, 'Just Like That.'
The powerhouse vocal pairing take home their second consecutive win in the stacked cateorgy.