 Tony Trischka with Vince Gill, Wyatt Ellis with Danny Roberts, and more. Knee Deep in Bluegrass is brought to you by Foothills Country Ham, Wyatt Ellis Music, the Doc Watson Music Fest, Mountain Home Music Company, Pagan & Parsons, the Bonfire Music Group, True Lonesome Records, Daly & Vincent's American Made Music Fest, and the Orange Army Bluegrass Festival.