The Black Lillies perform in the Sesaon 2 finale.

Country star and multiple Grammy winner Vince Gill, known for his razor-sharp instrumental skills, expressive tenor voice, richly varied songwriting, and superb choice of backup musicians, performs honky tonk ballads, bluegrass, and country rock.

Grammy-winning singer/guitarist Del McCoury and his band perform the "High Lonesome" sound and also explore new musical frontiers.

The Vespers perform.

The Timejumpers, a western-swing band whose members include Vince Gill, perform.

Americana pioneer Miller and his band, the Commonwealth, perform songs with a bluegrass and edgy mountain tinge.

Singer/mandolinist Doyle Lawson and his band perform progressive bluegrass and compelling a cappella Gospel.

Raised on show business in a family band, David Mayfield made his name with award-winning progressive bluegrass group Cadillac Sky. The singer/guitarist mixes acoustic-alternative and cutting-edge Americana with great showmanship.

Jim Lauderdale performs.

Singer-songwriter Sarah Jarosz performs.

The thirteen time Grammy winner plays the dobro with unprecedented speed and haunting lyricism. Douglas is one of Nashville's most in-demand session players and is a longtime featured member of Alison Krauss & Union Station.

From multiple Grammy wins to The Hunger Games' soundtrack, 2012 is a breakout year for The Civil Wars. Intricately woven phrasing and airtight harmonies mark the minimalist duo's powerfully ballads and astonishingly frank songs on the paradoxical nature of love.