Producer, author, actor and singer-songwriter Steve Earle is master musician and writer's writer.

Truly iconic, profoundly influential, and a catalyst for an entire movement in country rock and American roots music, the Nitty Gritty Dirt Band, continues to add to their legendary status. With multi-platinum and gold records, strings of Top 10 hits, multiple Grammy, IBMA, CMA Awards, the band's accolades continue to accumulate.

Nashville-based singer-songwriting bluesman and four-time Grammy Award winner, Keb’ Mo’ has been described as "a living link to the seminal Delta blues that traveled up the Mississippi River and across the expanse of America." A musical force defying typical genre labels, Mo’s post-modern blues style harkens many eras and genres, including folk, rock, jazz, pop and country.

The trio evokes songs from some bygone era, rooted in folk, delta blues, and reckless rock.

The bluegrass band 18 South kicks off the performance series, which is taped in Cumberland Caverns in McMinnville, Tenn.

Ricky Skaggs and Kentucky Thunder perform.

Singer-songwriter Will Hoge performs.

Mike Farris and the McCrary Sisters perform.

Cherryholmes perform.

Singer-songwriter Justin Townes Earle performs.

Mountain Heart perform.

Singer-songwriter Darrell Scott performs.

The John Cowan Band.

The Farewell Drifters perform.

Monte Montgomery performs.

The Season 1 finale features highlights from the season, including performances by Ricky Skaggs and Kentucky Thunder, Mike Farris and the McCrary Sisters, the John Cowan Band, Cherryholmes, and Will Hoge.

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.

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.

Singer-songwriter Sarah Jarosz performs.

Jim Lauderdale performs.

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.

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

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

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

The Vespers perform.