The String Cheese Incident, The Flaming Lips, Les Claypool, Keller Williams, Umphrey’s McGee, Yonder Mountain String Band and Drive By Truckers are among the artists who will appear at the 9th annual All Good Music Festival. All Good will take place on July 15-17 at Marvin’s Mountaintop in Masontown, West Virginia. Both Umphrey’s and Particle will take it deep in performing special late night/early morning set at the fest while other confirmed artists include

Michael Franti & Spearhead, Dark Star Orchestra, John Browns Body, The Bridge, Gabby La La and Jonah Smith.