James Casey

Saxophonist / Vocalist ∙ Trey Anastasio Band

Sammi Garett

Vocalist ∙ Turkuaz

Joey Williams

Musical Director ∙ Robert Randolph and the Family Band

Brian Whelan

Multi-Instrumentalist ∙ Dwight Yoakam / Chuck Berry

Josh Schwartz

Beatbox / Vocalist ∙ Turkuaz

Durga McBroom

Vocalist ∙ Pink Floyd

Anders Beck

Dobro ∙ Greensky Bluegrass

Scotty Graves

Drummer

Nikki Glaspie

Drummer ∙ The Nth Power

Justin "Chitty" Chittams

Drummer ∙ Nahko & Medicine for the People

Matt Butler

Drummer ∙ Everyone Orchestra

Roger Rivas

Organ / Keys / Producer ∙ Jason Mraz

Natalia Clavier

Vocalist / Meditation ∙ Thievery Corporation

Jeff Mann

Drummer ∙ Consider the Source

Lindsay Lou

Vocalist ∙ Lindsay Lou

Jeffrey Arevalo

Multi-Instrumentalist ∙ Goose

Robert Mercurio

Bassist ∙ Galactic

Eli Winderman

Keys / Composer ∙ Dopapod

Ryan Stasik

Bassist ∙ Umphrey's McGee

Keneil Delisser

Drummer ∙ Buju Banton

Martin Sexton

Singer-Songwriter ∙ Martin Sexton

Kenroy Mullings

Guitarist / Producer ∙ Buju Banton

Jonathan Grusauskas

Guitarist / Producer / Percussionist ∙ lespecial

Michael Arlen Bont

Banjo ∙ Greensky Bluegrass

David Phipps

Piano / Modular Synth ∙ STS9