Both the 23rd annual High Sierra Music Festival and the inaugural JamBase Live fest have just confirmed their initial roster of artists.

Primus, moe., Thievery Corporation, Steel Pulse, Leftover Salmon, The Greyboy Allstars, The John Scofield Überjam Band, Emanicpator, The Infamous Stringdusters, North Mississippi Allstars, Gramatik, Lee Fields & The Expressions, Allen Stone, Pimps of Joytime, Lord Huron, White Denim, Carolyn Wonderland, Rubblebucket, The Barr Brothers, Peter Apfelbaum & Sparkler, Sarah Jarosz, Anders Osborne, Lukas Nelson & Promise of the Real, The Revivalists and Futurebirds. are among the acts set to perform at High Sierra in Quincy, CA July 4-7.

Meanwhile the JamBase Live slate of performers features Robert Plant & Sensational Space Shifters, Michael Franti, Rodrigo y Gabriela, Slightly Stoopid, Robert Randolph & The Family Band, G. Love & Special Sauce and STS9, Galactic, Railroad Earth, Bruce Hornsby & The Noisemakers, Lettuce, Nicki Bluhm & The Gramblers and ALO are among the acts slated to appear at JamBase Live at George, WA’s Gorge Amphitheatre on July 5 and 6.

Both events will continue to add performers over the weeks and months to follow.