The 9th Annual All Good Music Festival will take place at Marvin’s Mountaintop in Masontown, WV on July 15-17. Just announced to appear at the event are the Benevento/Russo Duo, Lake Trout, Ozomatli, the Victor Wooten Band and New Monsoon. These performers are the latest additions to a stacked line-up that also includes The String Cheese Incident, The Flaming Lips, Les Claypool, Keller Williams, Michael Franti & Spearhead, Umphrey’s McGee and many others. In addition, while music on the main stage doesnt begin until Friday the 15th, folks who arrive on the 14th will be treated to music on the Early Arrival Camping Stage from Papa Grows Funk and Matisyahu.