They recognise the bluegrass singer for her work with Union Station, as a solo artist, as a contributor to O Brother, Where Art Thou? and as Robert Plant's foil on Raising Sand.
Earlier this year, it looked like she would be overtaken by Beyonce - who went into the Grammys with nine nominations on top of her 22 previous wins.
As you might have heard, though, Adele denied her the title, beating Beyonce in multiple categories.
