Ivan Neville’s Dumpstaphunk, EOTO, Papa Mali featuring Bernie Worrell and Big Gigantic will perform at River Jam Fest this August. The three-day event will take place in Fort Smith, AR at Harry E. Kelley Park’s River Front Amphitheater from August 27-29. Other acts scheduled to appear include: Greensky Bluegrass, Telepath, Papadosio, Two Fresh, Zoogma, Somasphere, J.WAIL (full band), The Last Waltz Ensemble, Agobi Project, Messy Jiverson, Fatty Lumpkin and Hosty Duo. In addition, the festival will feature Ben Miller Band, Mouth, LFDC Funk, Starroy, Wiggins & Rizk, Rock Bottom Ramblers, Groovement, Flatland Travelers, Copesetic, The Crumbs, Tyrannosaurus Chicken, Mas Agua and Peter, Paul & Pelphrey.