Brittany Howard, country legend Tanya Tucker and Nashville supergroup The Highwomen leading the nominations.Howard and Tucker are both nominated for artist of the year, along with Highwomen solo star Brandi Carlile, the late singer-songwriter John Prine, and best new artist Grammy-nominated singer-songwriter Yola. (The Highwomen are also nominated for duo/group of the year, along with Black Pumas, Drive-By Truckers, Buddy & Julie Miller and Our Native Daughters.)Howard, Tucker and The Highwomen are all also nominated for both album of the year (for Jaime, While I'm Livin' and The Highwomen, respectively) and song of the year ("Stay High," "Bring Me My Flowers Now" and "Crowded Table").