Alison Krauss, Robert Plant, Levon Helm and James McMurtry lead the pack in Americana Award nominations with three nods each. Krauss and Plant's duets album, 'Raising Sand,' is nominated for Album of the Year alongside Helm's 'Dirt Farmer,' McMurtry's 'Just Us Kids' and Hayes Carll's 'Trouble in Mind.' Helm and McMurtry also have Artist of the Year nods, as do Steve Earle and Jim Lauderdale. Duo or Group of the Year nominees are Krauss and Plant, The Avett Brothers, Drive By Truckers and Kane Welch Kaplin. Ryan Bingham, Justin Townes Earle, Mike Farris and the SteelDrivers all score nominations for Emerging Artist of the Year.

The Americana Awards will be held September 18 in Nashville.