Foghorn Stringband The Goodbye Girls Caleb Klauder Special Consensus Tony Rice Unit Dry Branch Fire Squad Doyle Lawson & Quicksilver Doyle Lawson Bryan Sutton Peter Rowan The Gibson Brothers Hank Williams, Jr. The Bluegrass Album Band Cherryholmes Hot Rize Rhonda Vincent Iiird Tyme Out The Waybacks The Grascals John Hartford Norman Blake Gillian Welch And David Rawlings Grant Green Bill Monroe Ralph Stanley The Seldom Scene Doc Watson David Rawlings Machine Ricky Skaggs P-Funk Allstars Jerry Garcia & David Grisman Flatt And Scruggs P-Funk The Wailin' Jennys The Gourds Little Walter The Carter Family George Clinton Parliament Steve Earle Old Crow Medicine Show Blondie Wilco Grateful Dead Mumford & Sons The Beatles