As Nashville prepares for the Americana Music Association's annual Festival and Conference slated for Sept. 14-20, the organization has just unveiled this year's nominations for its Honors and Awards show.

Sturgill Simpson, Shakey Graves and Lucinda Williams lead the round of nominations, receiving three nods each; other notable artists include Jason Isbell, Steve Earle, Rhiannon Giddens, the Lone Bellow, Shovels & Rope, Punch Brothers and Houndmouth (among many others). You can see the full list of nominations below.

2015 marks the 16th installment of the AMA festival and the 14th edition of the awards show (which occurs on Wednesday, Sept. 16, at the Ryman Auditorium). The nomination ceremony took place today (May 14) at the Country Music Hall of Fame -- you can find more information on the conference and all of its festivities here.

Album of the Year
And the War Came -- Shakey Graves; Produced by Alejandro Rose-Garcia and Chris Boosahda
Down Where the Spirit Meets the Bone -- Lucinda Williams; Produced by Lucinda Williams, Tom Overby and Greg Leisz
Metamodern Sounds in Country Music -- Sturgill Simpson; Produced by Dave Cobb
The Way I'm Livin' -- Lee Ann Womack; Produced by Frank Liddell
Tomorrow Is My Turn -- Rhiannon Giddens; Produced by T-Bone Burnett

Artist of the Year
Rhiannon Giddens
Jason Isbell
Sturgill Simpson
Lucinda Williams
Lee Ann Womack

Duo/Group of the Year
Bela Fleck & Abigail Washburn
The Lone Bellow
The Mavericks
Punch Brothers
Shovels & Rope

Emerging Artist of the Year
First Aid Kit
Nikki Lane
Doug Seegers
Shakey Graves

Instrumentalist of the Year
Hubby Jenkins
Laur Joamets
Greg Leisz
John Leventhal
Stuart Mathis

Song of the Year
"Dearly Departed" -- Shakey Graves; Written by Alejandro Rose-Garcia and Esme' Patterson
"East Side Of Town" -- Lucinda Williams; Written by Lucinda Williams
"Terms Of My Surrender" -- John Hiatt; Written by John Hiatt
"Turtles All The Way Down" -- Sturgill Simpson; Written by Sturgill Simpson
"You're The Best Lover That I Ever Had" -- Steve Earle & the Dukes; Written by Steve Earle

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