Ben Harper
Jim James
Watchhouse
Margo Price
Gregory Alan Isakov
Colin Meloy of The Decemberists
The Tallest Man on Earth
Waxahatchee
Shovels & Rope
City And Colour
Jade Bird
The Lone Bellow
Jonanthan Russell of The Head and The Heart
Langhorne Slim
Molly Tuttle
Rayland Baxter
Buffalo Nichols
Paul Hoffman of Greensky Bluegrass
Josiah Johnson (formerly of The Head & The Heart)
Daniel Rodriguez (formerly of Elephant Revival)
Nicole Atkins
Bedouine
Paper Bird
Adam Aijala & Ben Kaufmann
Otis Taylor
Heavy Gus
Neyla Pekarek (formerly of The Lumineers)
Ben Sollee
The Colorado Bluebirds (members of Yonder Mountain String Band, Elephant Revival, and more)
Gasoline Lollipops
Heavy Diamond Ring
Joshua Lee Turner & Bob Barrick
Emelise
Cole Scheifele
Scott T. Smith
Jonny Miller
Sun Jr.