On Wednesday night (May 11), the Americana Music Association unveiled the nominees for this year's Americana Music Awards, with Jason Isbell, Lucinda Williams and Chris Stapleton leading the list.

Isbell, the 2014 AMAs Artist of the Year, earned nods for Album of the Year, Artist of the Year and Song of the Year -- three total -- while Williams and Stapleton each received two noms. Williams -- 2015's Album of the Year winner -- is up for Artist of the Year and Album of the Year; Stapleton, too, is nominated for Artist and Album of the Year.

Also among this year's Americana Music Awards nominees are Margo Price (New / Emerging Artist of the Year, Song of the Year), Kacey Musgraves (Song of the Year) and Bonnie Raitt (Artist of the Year). A complete list of 2016 nominees is below; Lifetime Achievement Awards winners will be announced at a later date.

The 2016 Americana Music Awards are set for Sept. 21, during the 2016 Americana Music Festival, which is scheduled to run Sept. 20-25. The six-day festival takes place in Nashville, and the awards ceremony itself is held at the Ryman Auditorium.

2016 Americana Music Awards Nominees

Album of the Year

Something More Than Free, Jason Isbell, produced by Dave Cobb
The Ghosts of Highway 20, Lucinda Williams, produced by Greg Leisz, Tom Overby and Lucinda Williams
The Very Last Day, Parker Millsap, produced by Parker Millsap and Gary Paczosa
Traveller, Chris Stapleton, produced by Dave Cobb and Chris Stapleton

Artist of the Year

Jason Isbell
Bonnie Raitt
Chris Stapleton
Lucinda Williams

Duo / Group of the Year

Alabama Shakes
Emmylou Harris & Rodney Crowell
Lake Street Dive
The Milk Carton Kids
Tedeschi Trucks Band

Emerging Artist of the Year

Leon Bridges
John Moreland
Margo Price
Nathaniel Rateliff & the Night Sweats

Song of the Year

“24 Frames,” Jason Isbell
“Dime Store Cowgirl,” Kacey Musgraves
“Hands of Time,” Margo Price
“S.O.B.,” Nathaniel Rateliff & the Night Sweats

Instrumentalist of the Year

Cindy Cashdollar
Stuart Duncan
Jedd Hughes
Sara Watkins

Americana, Alt-Country and Folk Artists to Watch in 2016